049's would be a good head but have 119cc chambers which will kill your CR unless you add domed pistons. I run the 454SS "hot cam" from scoggin-dickey. TC Member # 4431. A 14. #1 ·Dec 12, 2003. ATK High Performance GM 454 525 HP Stage 3 Long Block Crate Engines HP451PC Crate Engine, GM 454 Big Block Stage 3, 525 HP, Long Block, External Engine Balance, Aluminum Heads, Carburetor, Each Part Number: HPE-HP451PC At idle a SBC engine will idle around 16 degrees and 454 low 20’s which is going to be the balancer mark about 3/4 to 1″ to the left of the zero notch on the timing chain cover. They used a np241 & np205 transfer cases in the V series with a vss in the tail housing. I plan on putting new manifolds on it and dual exhuast. #2 · Apr 6, 2010. 75-9. $845. 7L, 7. 4L/454 Chevy big block Gen V Intake Manifolds, Carbureted and get Free Shipping on Orders Over $109 at Summit Racing! Save up to 10% on the Powersports Parts you Need! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search The Chevy, GMC 7. Other factors that affect the cost include your budget for a replacement, market demand for used engines, cubic inches of oil capacity, and more. I’m putting a Cummins in my 1998 crew cab with an NV4500 so I figured why not throw the perfectly good bb into my old blown out tbi truck. Including blazers & suburbans. 4) KNOCK SENSOR - just above the starter. #8 · Dec 13, 2009. I have had issues in the past that caused my Ignition Control Module to die. Elevate your driving experience with ProCharger Superchargers’ for the 1988 – 1995 TBI (5. 4L) in my 1999 Suburban (K2500) model needs to be rebuilt. The rig tips the weight scale at 13,190 pounds. computer controlled 454. The Chevy V8 is sometimes called the "Rat" motor, a take-off from the popular term "Mouse" motor, given to the Small Block by its enthusiasts. Mar 18, 2019 · At: RM Art, We have a 1996 P30 Fleetwood Flair measuring in at 30 feet. It is worth a look Clean all of the ground connections: battery to chassis, chassis to engine block, etc. (30 Nm) in the numerical sequence shown in the table. 12568774. Gave it a tune up, and it ran beautifully, which was my go ahead to begin going through the Chevrolet big-block engine. I figure since it's only getting 10mpg, I might as well bump it on up to the days when 454's were getting 450 horse. Distributor. The 454 TBI engine came with a bigger 1-7/8s throttle bore unit and Holley has several 2 inch versions rated at 670 CFM. Used a larger intake valve and some mild bowl work only. New Parts (related to how the truck runs at least): Vortec fuel pump. TBI, throttle-body injection, also known as the carburetor with a brain. Thanks for any suggestions, this is my first build. 1L truck. 6) TPS - Passenger side of TB in line with the throttle shaft. We'll be driving in some higher altitudes (~10,000 Mar 20, 2006 · T. I can start it and it will run anywhere from 10 seconds to 2mins, it studers then will idle up and down before it just stops. Dec 22, 2019 · But in 1990 & 1991 Chevy & gmc went to a 6 digit electric or electronic speedometer in the R & V series trucks. i get about 11mpg in my 6. 12. Fuel filter. It has a code 44 (lean) and has low power and a surge. We'll explain each part and why it is Jul 14, 2010 · 113 posts · Joined 2008. This is a short vid explaining what you need to know b Oct 31, 2023 · Going to stay tbi on this one. The line on the balancer or pulley will line up at the timing mark. If you've been Feb 18, 2024 · The Predecessors Of TBI Engine. With the complete Edelbrock Total Power Package 0-60 times improved by 1. Also i am running a hypertech chip. #1 · Jul 21, 2011. for the fuel supply i would remove the in tank pump and install a proper Nov 5, 2011 · HDBD wrote:I had a very strong running tow rig a 94 dually with a TBI 454. BTW, there isn't a MAF on the TBI engine, it runs strictly on speed density (MAP/RPM). 05 LLy ecsb, leveled, 285's, Banks intake and 6-gun, straight piped, lbz mouthpiece. Checking spark plugs and ignition timing on the 454 SS. The TBI mods do just that and have just enough power. 438 HP @5300 RPM. #1 · Mar 20, 2006. Either way it still runs better than stock ever did. Replaced the following: Timing is set at 0. Chevrolet’s 7. Its a GM Perf. **NO engine codes, only code 12. B. These motors ranged from 348 to 409 to 427 CID, developing up through a [factory claimed] 430+ horsepower and 435 ft. I didnt realize that Im supposed to test the rings using regular motor oil when doing a compression, I used WD40 instead, Cyl 4 jumped to 110 and 3 went to 110 also, none of the other changed when using WD40. I believe my problem is i cannot get the fuel pressure low enough for the 454 injectors or high enough for the 350 injectors using the 454 throttle body. 454 TBI/4L80E/NP205/D60/Gen 2 14BFF. Because of the constant measuring and adjusting of the air/fuel ratio, the fuel system is called a “Closed Jan 29, 2017 · Ignition control module failure modes on TBI engine. it has new alternator, ps pump, catalytic conv, fual tank and pump, fuel Apr 26, 2017 · The misfire used to be accompanied by a jumping tachometer but the last shop replaced the cap, rotor, plugs, and wires (for the 3rd time) and the jump in the techometer went away, but the misfire is still present. She was idling really rough, seemed like she was missing. The Chevrolet "big-block" engine is a term for a series of large-displacement, naturally-aspirated, 90°, overhead valve, gasoline -powered, V8 engines; that were developed and produced by the Chevrolet Division of General Motors, from the 1950s until present. 56:1 ratio rear differential. Sep 15, 2005 · 4018 posts · Joined 2004. 4991 posts · Joined 2009. Some of the components shown above may look different from what will be included with your kit. I have read nearly every thread on tbi surging idle, code 44's (lean o2), and everything in between. Apply a thin layer of engine oil to the threads of each head bolt. The connector is different for each of these switches. • Highly durable (customers typically report 200,000+ miles) Sep 19, 2012 · The sensor tells the ECM the amount of oxygen in the exhaust gas, and the ECM changes the air/fuel ratio to the engine by controlling the fuel injector. 3L and 5L engines, 55lb/hr for 350 engines, 65lb/hr for cop car 350 engines and (80lb/hr and 90lb/hr) for 454 engines. The Performer 454 TBI manifold delivers outstanding performance for the street with complete emissions compatibility. If everything else checks out, check the lifters and cam for wear. The engine is a 7. OHV 2 valves × cyl. Follow my Instagram: dieseldog_1988Tags: 454 SS, c1500, big block, TBI, vlog, ignition timing, obs Ch Jun 10, 2020 · The original arose in the form of the 396ci L78 engine, which made 425 horsepower and 445 lb-ft of torque. The motor is out of an 88 1 ton pickup and is in a 89 1/2 ton suburban. The timing should be 0° TDC (454 engines – 4° BTDC). Hell, I have an Edelbrock carbureted intake on a 454HO with L29 heads. Edelbrock Performer T. I am also using Edelbrocks TBI BB intake. '67 Chevrolet Biscayne- SS427 L-36/TH400, '67 Hell Camino-BB 427/TH400 , '66 300 Deluxe 2 door-230/PG. OE Throttle Body Injection Flange (EGR) Idle-5500 RPM Range. #14 · Sep 19, 2005. I searched another sight and got that the injectors on the 94-95 454 trucks were in the 30 psi range but however the injectors are 46# injectors Nov 15, 2023 · You'll need several parts to make a carburetor work in your TBI vehicle. Nov 19, 2018 · New England. Muskegon MI. 10 posts · Joined 2011. I am working on a 1987 Chevy 1-ton that has the 454 with TBI. I have an 89 c3500 dually ext cab pickup with the 454 tbi motor. Larry said: 1996 to 2000 Vortec L29 454’s will accept any old carbureted/TBI BBC intake like any other old big block, unlike the Vortec small blocks where the intake bolts were fashioned differently. 5 hp at the rear wheels. 408 posts · Joined 2017. 0L, 5. Take the fear out of electronic fuel injection! These engine wiring harnesses are designed to make your engine transplant effortless. 889 posts · Joined 2003. See full list on musclecarclub. Re: 454 Chevy temp sensor. The EP381 that came on the vortec trucks will supply enough fuel for about 450-500hp before you need to start thinking about an upgrade. Supercharger, Centrifugal, Satin Finish, 5-6 psi, Chevy, Big Block, Kit. Chevrolet Performance’s 454 HO crate engine is a Big-Block bargain – an affordable engine with performance specs that will make you think it’s 1970 all over again. 1987-1995 Small Block Chevy TBI 305/350ci. Then rev to about 3000 rpms and hold and timing should climb to 30-36 degrees depending on programming on the chip and low 40’s for the big block. These engines provided a lot of power but needed to become adaptable to the changing industry regulations and requirements. 8-100. We have a great online selection at the lowest prices with Fast & Free shipping on many items! 454 tbi engine for sale | eBay Jan 1, 2024 · Big torque on a budget. It first debuted in 1970 as an upgrade to the equally iconic Chevy 427 big-block V8. 25" tubes (6 core?) replaced upper and lower radiator hoses swapped out water pump new 180 degree thermostat (works fine) new 17" 7 blade fan shroud Still overheating. The 454 evolved from this platform, its improvements allowing for Nov 18, 2010 · TB, dist. If it decides not to start, the starter spins energetically from the brand new battery but not the slightest hint of trying to spark. 4L). Mar 22, 2003 · -K&N, removed resonator replaced with 4" PVC to the fender. The 92 454 TBI engine I messed with the upper bushing was quite worn and allowed the pickup teeth to touch. I'm not sure if there 's a specific thread on this or not but I'm hoping to gather some info on upgrading a gen V 454. I am putting in a 454 tbi bored 30 over with a mild cam. 3. Oct 31, 2023. pdf that shows how to set your base idle, IAC, and your TPS voltages. My check engine light does not come on when I turn the key on. 6-5v dependent on throttle opening). I'm gonna be running a mechanical fuel pump, I'm wondering if I could use the existing pressure line and return line that originally went into the rear of the tbi throttle body but how I could make that work with the mechanical fuel pump. $494. Ok, here is what is happening and what I have done. Lately my 1991 Suburban has been extremely finicky and not wanting to start. $49. . I just want to be sure about a few things before I do my own. simple and easy! Aug 22, 2018 · 132. 7L) engine developed a respectable 164. Can state the 454 with TBI has plenty of power in our rig, and pulls most mountain grades easily. 7-120. 00 Summit Bucks. they have peanut port heads,and low compression. Its designed to run with the 454SS pickups. intake manifold is designed for street 454 c. 3L, 5. So, with the ignition ON, engine OFF, throttle closed to idle, your DVM should measure: zero volt A-to-ground, ~5 volts C-to-A, ~0. Description. 4L 1992 GMC sierra 1ton. 75:1 stock compression ratio to a more desirable 8. 4L/454 Computers, Chips & Programmers and get Free Shipping on Orders Over $109 at Summit Racing! Save up to 10% on the Powersports Parts you Need! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Mar 10, 2021 · peanut port bbc heads-do they make power? can you upgrade the gen-v 454 truck motor? how much power does a stock 454 make? what is a good cam upgrade for a t 10. Feb 18, 2024 · The average 454 chevy engine price is $2000+, but exact prices vary depending on the type of vehicle you have. I'm still amazed how bad my mileage is just driving down the highway with no load. All un-needed emissions Jul 23, 2018 · Check the distributor shaft for free play. 25 inches but the same 3. #1 · Sep 7, 2015. 08 gear, th400, very mild rv roller cam, 2000 stall, no headers. 2) rebuild the 454 with minor mods, delete the fuel injection, and and switch to a carburetor. Procedure: Follow these steps to correctly torque the head bolts on a 454 engine: Clean the cylinder head bolt holes and the threads on the bolts using a suitable cleaning agent. I’m planning on putting a 98 k3500 454 in my k1500 95 350 truck. The 94-95 454TBI called for 30psi instead of the prior years and 350's that called for ~12psi. You do not have to use the stock TBI intake, you can use an adapter plate that allows for the 2" throttle bores. , wiring harness including the underdash, computer, throttle cable, exhaust manifolds and y-pipe, as much of the fuel lines as you can, and of course the engine. There is a large “sucking” sound coming from the throttle body when it is warmed up. TBI systems use a dual-plane aluminum intake manifold and a throttle body with two injectors that deliver fuel to Jan 25, 2012 · Truck Model. Its a '90 stock 454bbc by Hardin Marine 4-bolt. The reason is that TBI heads are awful. Aug 1, 2023 · 1975TypeS-3. 00; Chevy 454 / 450 HP High Performance Balanced Crate Engine $ 5,195. It had a misfire issue when the owner pulled the engine. Put a jumper wire from pin “A” to pin “ B” on the ALDL connector (should be the black wire & white wire) A metal paper clip works good for this. When I first got the truck, it had been sitting for 7-8 years. the mpg of a 454 is LOL towing or not towing. They have a 100cc chamber which will maintain your compression ratio. This engine debuted in 1965, and sparked a long-time tradition of Chevy big-block engines. 4L engine, also known as the 454, is a V8 engine designed specifically for heavy-duty vehicles and trucks from General Motors Corporation. 3) COOLANT TEMP - next to T-Stat housing. Connect the timing light power leads according to manufacturer’s instructions. Performer 454 T. Hello, my name's Ryan, new user with my first square body. 95. The specs on it put it at a wimpy 260 horse. Not Yet Reviewed. After the vehicle is shut off is the pressure suppose to hold steady at the rated pressure? when i turn the truck off the pressure drops rapidly to 3 psi after stalling around Edelbrock Performer 454 TBI Intake Manifolds 3764 Intake Manifold, Performer TBI, Aluminum, Natural, Throttle Body, Chevy, GMC, 454, Each Part Number: EDL-3764 2 days ago · Find CHEVROLET 7. 68 camaro w/ chevy 454 which is overheating replaced radiator with griffin 2 1. Jun 19, 2010 · 454 TBI wont stay running. I will have to re-check with an oil squirter. Unfortunately, the Chevy 454 big-block engine came just in time for the oil crisis of the 1970s May 3, 2021 · I need to prep for a 4,500 mile trip with a newly acquired Winnebago Motorhome. 89' V3500 TBI 454, TH400. --Problems just started, i have to fully depress pedal to start. 00; Ford 351 Windsor 345 HP High Performance Balanced Crate Engine $ 4,495. --NO o2 sensors on the manifold. 00; Chevy 383 / 350 HP 4 Bolt Performance TBI Balanced Crate Engine Truck Camaro $ 4,395. I think its @ $120 with lifters. Compare. 4L Throttle Body Injection engines. 4L/454 Throttle Body Rebuild Kits and get Free Shipping on Orders Over $109 at Summit Racing! Free Mount & Balance for Many Wheel & Tire Packages - Contact us for Details! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Nov 28, 2017 · TBI Fuel Problems 89' TBI 454 V3500. Spec I think calls for 3 degrees advance. Come on tbi people, i have researched my head off. Part Number: VOR-4GA218-040. $10. Sep 14, 2019 · Converting Your TBI to a carbuator isn't that difficult as long as you know what you are getting into. The vortec heads flow 25% more air through a smaller 170cc intake runner which builds air velocity faster than the larger poor flowing 182cc intake runner on TBI heads so vortec heads will make 25% more power than TBI heads at all rpms. I have owned several 454 TBI engines, both Mark IV and Gen V. i. I found a set of heads off a 366 truck engine that had a more compact chamber and true oval ports. 454ci: Chevrolet added the 454 in 1970, with Apr 9, 2003 · On the chassis dyno, Patrick's 350ci (5. Pictured is a TBI complete system for a 2bbl Chevy V8. Add To Cart. #1. You may want to keep the A/C configuration in mind as the compressor is on the opposite side on the vortec. Chevy 383 / 425 HP 4 Bolt Aluminum Heads Hi-perf Balanced Crate Engine $ 4,995. Hmmmm. The engine is revving up and down when I come down to an idle. Apr 5, 2015 · Re: TBI 454 lacks power. earlier 454 tbi's just used a 4 barrel intake with a tbi adaptor-- so installing a carb is simple. cab. However the above post also indicated that those trucks had 30 psi or so injectors. O. Made sure the restrictive peice inside the fender was gone. Sep 8, 2020 · the 454 (7. Free Shipping. 1 with stock iron TBI 454 heads and that same 211/219 duration camshaft or something similar will yield almost as much horsepower and more torque for less money. These engines were factory equipped in GM full-size trucks, vans, and SUVs, S-10/S-15 trucks & SUVs, Oldsmobile Bravadas, Chevy Astro vans, and Apr 6, 2010 · 2137 posts · Joined 2009. agree would much rather have a 8. Jan 22, 2023 · It was rated as high as 435 hp and 460 lb-ft of torque. I've got an '87 Suburban 454/Turbo 400 TBI engine that I was considering keeping the TBI on, but I really can't get into having the injection system on an early '60's style gasser project. Sep 20, 2019 · 1989 454 is the same as the rest of the 1980's 454 - 7. 6-100. Give your truck the power and reliability it deserves, call our sales staff today to learn more about the product features, including: • HO produces 8-9 psi of boost, 60-65%+ HP. keep the pump and sender from the 98. 6 volt B-to-A. :gasp: A faulty or bad ground connection to the engine was to blame. toddtheodd Discussion starter. Here’s a full list of vehicles that came standard with or offered a Chevy 454 big-block engine: Dec 1, 1998 · Meet Mr. These harnesses will not work with a ’94 or ’95 ECM and will not operate a 4L60E transmission. This was the 1958 W Series engine. Reaction score. No speedometer cable like the older 80’s trucks. lbs. 08/15/2011 2:46 PM. #1 · Jul 14, 2010. I. from what I can see in the NAPA book the temp sender is 3/8" on your engine, and the coolant fan switch is 1/2". Prior to the 454, Chevy was using the 427, a Mark IV engine that produced 425hp. Part Number: EDL-2078. the # for the temp sender is TS4052, and the fan switch is FS104. 66k on the odometer. the truck has 97k original miles. Also, the vortec exhaust is set up differently Apr 12, 2010 · however, if you want to go carb it's not that hard. 4L 454 Engine. The base engine consists of: A cast-iron engine block and cylinder head. 750 Holley on top and Hei ign hope Dec 4, 2008 · What is the fuel pressure spec for an 88 chevy 1 ton with a 454 TBI engine. Manifolds will not fit 1991-95 vehicles. Turn key to ON, do not start engine, wait 10 seconds. Start the engine, and aim the timing light at the timing mark. Granted, this isn't bad for a stocker, but we felt we could find more power. Mar 24, 2009. Oct 16, 2021 · How to install an adjustable fuel pressure regulator on a GM TBI systemthis gives you the ability to adjust fuel pressure and fix the low pressure the factor The 1991 Chevy 454 engine design is a high performance V8 engine, making it a powerful truck engine. What is everything I need to do to make the swap. it has 150,000 and several looming issues (likely head gasket, leaking injectors, and early signs of rod trouble). It features the big-bore block at 4. Satin Finish. Jun 16, 2012 · bighoss77. Edelbrock Total Power Package 676 HP Big Block Chevy Top-End Engine Kits 2078. [they make a special head for this model,]roller tip rockers,and performer cam and a set of block hugger headers,should get about360 hp with this set up and loads of torque. 760-inch stroke as the 366/396. com. 2) IAC - passenger side of TB. Dec 12, 2009 · WildWilly4x4. Before the motor was pulled it would stall when put into gear every once in a while, never threw codes, ran perfect other than the stalling. Start by tightening each head bolt to 22 ft. Both engines can benefit a LOT from higher flow cylinder heads and cams. Chevy V8's. Top End Engine Kit, Power Package, Intake, Heads, Cam, Timing Chain, Head Bolts, BB Chevy, 676 HP-649 TQ, Kit. 7:1 air/fuel ratio is required for efficient catalytic convertor operation. Vortech Carbureted Centrifugal Supercharger Kits 4GA218-040. of torque. View Details. If it does start, it fires right up and runs great in the driveway. You might also need an air filter or cleaner to keep debris out of your carburetor and cylinders. I have an 89 suburban that had a 350 tbi. The stock cam used in the 1994 and 1995 TBI 454's was a little larger (200*/206*) and perked up a stock TBI 454 fairly well. Been on quite the gremlin hunt going on a month. TBI engines were preceded, for all intents and purposes, by traditional carbureted engines, or tuned port injection. Jun 13, 2016 · Big Block Chevy 454ci TBI 1987-1990. The stock cam is very small but works well with the low compression and peanut port heads (192*/203* @. I have seen several differen … read more In this small upload, I am explaining how simple it is to convert a TBI sbc engine into a carburetor ran engine. I read that other TBI to carb thread. 5) OXEGYN - Driver's side in the exhaust manifold. Find CHEVROLET 7. Feb 10, 2009 · TBI Engine to Carb -- My version. The complete TBI system comes with all components needed for a closed loop system except for air cleaner, throttle cable/linkage Find CHEVROLET 7. 400+ HP and 450+ TQ will move that big body. 7. This harness is designed for 1986 – 1993 4. V30 CC SRW Conversion. The piston is an integral part of the combustion chamber. Ive decided to use Edlebrock heads and inlet manifold. This will extend the IAC pintle and close off the air passage in the body of the TBI. 4L 454 engine has powered many Chevy and GM vehicles, from classic 2-door muscle cars like the Caprice and Chevelle to more modern heavy-duty work trucks such as the Sierra 3500 and TopKick. S. Intake Manifold Big-Block Chevy. #9 · Jun 16, 2012. If a change is necessary, loosen the distributor hold‐down clamp bolt at Mar 11, 2012 · TBI 454 surging idle. It seems a certainty that Chevy guys would rather eat dirt than drive a Ford, but not all Chevy guys agree about their choice of May 24, 2010 · 5-100. i'm considering several options: 1) rebuild the 454 with minor mods. Nov 29, 2018. lbs torque. 70 seconds (includes manifold #350-3764, cam kit #350-2162 and Tubular Exhaust System). 33 posts · Joined 2006. Jan 17, 2024 · Vehicles That Use a V8 7. -Set timing to 8 degrees (this made the biggest difference so far)-Basic tune up-I'm going to cut the cat off and replace the muffler with some free flow unit. Recently did a fairly complete tune-up. Edelbrock part #3764 Performer 454 T. Dec 11, 2003 · 80 posts · Joined 2003. PART NO. A 454 BBC is a gas mileage pig. Big block vortec heads aren't different like vortec small block heads and intakes will interchange. one wire plug and play. Overhead valves (OHV) Throttle body fuel injection (TBI) Jul 13, 2006 · TBI 454 255hp @ 4000rpm 405 lb/ft torque @ 2400 rpm 454SS(91-93) and 94-95 3/4 and 1 ton trucks used 90 lb/hr injectors at 28-32 psi (high pressure system) Vortec L29 454 290 hp 410 lb/ft torque The Vortec 454 uses 8 24 lb/hr fuel injectors that are sequentially fired. 4L with TBI injection, coupled to the 4L80E transmission, and a 4. Jun 26, 2015 · Anyways, it's an early 80s 454 and carbureted. Alberta Canada. 0L so a 454 would have to get somehwere in the neighborhood of 7-9mpg. TPS pin A should be signal return (ground), C should be 5-volt reference, and B should be TPS signal (~0. My fuel pump is real noisy. I totally spaced on that, I upgraded to the factory aux battery tray on the driver side and isolated it with a 200 amp solid state isolator, full 4 gauge welding cable for ALL wires. I recently installed a new fuel pump in my 87 k5 with a swapped in 454 TBI thinking it would hepl with my fuel pressure leak down. 3:1 compression, peanut port heads (usually 360's). Nov 16, 2011 · A cheap upgrade for the cam is a ZZ502 take out or from Summit and if you find some 454 HO heads you could basically clone one pretty low buck. Jun 14, 2021 · BigDaddy72 said: 1) MAP - on intake manifold passenger side of Throttle Body. I'm a newbie to the Gen V motors and What I'm hoping to accomplish is specific head upgrades whether it be aftermarket or factory from a different generation, also discovered viktor reinz doesn't Jun 10, 2020 · Here's a . if not you'll need a 4 barrel intake. 4L/454 Chevy big block Mark IV Accessory Brackets & Eliminators and get Free Shipping on Orders Over $109 at Summit Racing! Save up to 10% on the Powersports Parts you Need! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Rather than spending over $2000 on heads, I have found that using a flat top piston 496ci stroker kit and fixing the pitiful 7. I don't know if this will cause any problems or not. It is in great shape and has had many parts replaced but i know that it has done some sitting with this mileage and it being an 89. This morning I changed the Fuel filter on the passenger side rail. I have a 95 Chevy 3/4 ton 454 ext. 00 Find CHEVROLET 7. Engine Size. My plan is to change the oil and transmission fluid, and install new accessory Belts. I checked fuel psi, it is 10 under load. 050). Start with a potential intake manifold or adapter, get a carburetor, potential fuel pump, distributor, and transmission computer. May 31, 2010 · 1989 P. Most new 454 engines from this year were released with a seven-year or 100,000-mile warranty, and these engines are Nov 20, 2014 · We Build A 700HP 454 For $2,403 without braking the bank. Location. The stock 454 TBI is rated for 670 CFM and will have either 80# or 90# injectors. Most 454 have a 4 b intake with a adapter to the throttle body. for the distributor you'll need a gm hei to make it work. Each new harness contains in-depth application-specific instruction sheets, clearly marked factory GM connectors, labeled GXL jacketed wire, GM color coding, and pre-fitted corrugated slit loom for an extra value and professional look. d. How to calibrate the TBI. 13. Estimated Ship Date: Jun 25, 2024 if ordered today. 99. What would it take to get some serious performance out of this May 25, 2006 · I have used the 350 injectors and the 454 injectors. 500 LB/FT @3500 RPM. Mar 25, 2009 · Fort Collins, CO. It's a '57 Chevy. I checked for vacuum leaks and I read something about disconnecting the MAP and EGR. My engine stalls or almost stalls when I come down to an idle. Aug 22, 2009 · Post #3 does confirm that the 94-95 2500-3500 series 454 equipped trucks had 255 horsepower and 405 ft. Since a 383 is only 10% larger engine than 383 a vortec 350 will make Feb 14, 2011 · GM released 5 sizes of TBI injectors (actually more but those are the important ones) 40lb/hr for the 4. (8) Ships Monday. $500. Jul 24, 2005 · 454 1991 Hi im building up a 91 454. Categories: Chevrolet, Throttle Body. Get the best deals for 454 tbi engine at eBay. Plus as @RawbDidIt suggested, check your fuel pressure, s/b 11 - 13 preferably closer to 13. -New double roller t-chain May 16, 2017 · 21. 00. Small Block Chevy Intake Manifold. Estimated Ship Date: Jul 2, 2024 if ordered today. Picked up 2mpg and noticable torque. I’m aware that I will need to find a harness and grab the motor mounts out of the crewcab. Used a mild Crane cam. Total. 4-liter engine uses fuel injection for maximum performance, and gasoline is the fuel of choice for this particular engine. com Jun 20, 2010 · The factory 1-5/8's throttle bore TBI flows around 440 CFM which is a bit small for a 350. I am getting a bigger radiator. #5 · Aug 2, 2023. I found out that the fuel pump is the same. Car mechanics typically use a "flat rate" manual to determine how much a job should cost Jul 21, 2011 · 808-Con3 Discussion starter. --injectors have been replaced, they pulse during ignitionwhen started, injectors spray constant, dumping fuel. The 7. Jun 10, 2021 · The Chevy big-block engine started life as an evolution of the iconic automaker’s muscle car lineup to expand its horizons into bigger engines with more power. Jun 11, 2008 · In reply to #11. Part Number: ADO-213-4668. It's sitting on a Chevy P30 Chassis (titled as 1995, but might be a 1994 model) with a Throttle Body Injected (TBI) 454 engine. Sep 8, 2015 · 5 posts · Joined 2015. :great: ACDelco Replacement Throttle Position Sensors 88864359. My 4000lb, 1970 c10 gets 8 to 9 MPG in the city and 11 to 12 on the highway with a 3. #9. Parts cam. Throttle Position Sensor, Replacement, Each. (I like the soound of the TBI at wide open). Oct 5, 2009 · The 95 TBI 454s ran a higher fuel pressure (30 PSI IIRC), but the vortecs are running higher than that, so you would need the vortec pump. Dec 5, 2010 · You can use heads off a later vortec 454. Add our Performer High-Compression heads #60499 for even greater power gains. 11. Features EGR in stock location. ( 5 ) Estimated Ship Date: Tomorrow. wb po xd zy rj ij qr ge xx ao