CXRacing Twin Turbo + Intercooler Kit For 64-67 Chevrolet Chevelle With Chevrolet Big-Block V8 Engine 396 402 427 454, with Carburetor - Twin Big T76 Turbo, Supports 1200-1400 HP - Dual 44mm Vband Wastegate - Twin Turbo Header with 2" Stainless Steel Runners - Dual Intercooler Individually Cools Each Turbo Once we installed the eBay turbo on our DIY turbo kit, the power output jumped to 707 hp and 756 lb-ft of torque. Find out what went into the build! The problem was that along with that 8.6 psi of boost the little turbo also produced 22.5 psi of back pressure. Because of the dramatic drop in backpressure offered by the larger S480 (1.5:1 ratio versus 2.62:1 ratio for the eBay turbo), the electronic controller was able to keep the boost curve perfectly flat. Single turbo kits are the most popular set up for a few simple reasons. Building the Ultimate Turbo Small Block Chevy Part 1. Run with 8.6 psi showing at the power peak, the eBay-turbo'd 454 produced 707 hp and 756 lb-ft of torque. Using the TC-1 controller, we eventually cranked up the boost to 12.6 psi where the turbo 454 produced 914 hp and 910 lb-ft of torque. The EFI 454R intake was fed fuel through a set of ACCEL 80-pound injectors and air through a four-hole, 4150 throttle body from Holley. While the Dart heads were off, we also decided to mill them 0.030 to help bring up the static compression. GPHeaders Stainless Steel Turbo Headers are available for most popular applications such as Big and Small Block Chevys, Big and Small Block Fords and LS engines. Find CHEVROLET 7.4L/454 Chevy big block Mark IV ARP High Performance Series Cylinder Head Bolt Kits and get Free Shipping on Orders Over $99 at Summit Racing! Complete Turbo Kits fit for Big Block 427 454 396 502 572 Twin Turbo Kit Charger. They fit all aftermarket applications utilizing the stock 4.84" bore space. While a blow-through carb works fine, we wanted to dial in the individual cylinders if necessary to ensure the stock, cast internals were not subjected to undue stress. We are all getting spoiled! Even with the electronic controller run to both the top and bottom of the wastegates, the combination of spring (7 psi) and boost pressure (8.6 psi) couldn't overcome the 22.5 psi of back pressure. Category. 1990 IROC Positraction rear end. The added chamber volume of the Dart Pro 1 heads reduced the static compression below 8.0:1. We know from testing that the turbo was capable of supporting 800 hp on the right application (remember the word "right" here) and, heck, it only cost $163! Installation of the Comp XR276HR cam and 26120 springs resulted in a jump in power from 378 hp and 482 lb-ft to 427 hp and 504 lb-ft. Dual Holley carburetors. They come in a variety of setups, but the most common are single turbo kits or a parallel twin turbo kit. Modified Turbo 350 automatic transmission. Turnkey LS, HEMI, and Coyote Swap Kits $6,999 (MOGADORE) pic hide this posting restore restore this posting. High quality gaskets included for turbo, exhaust manifold, and wastegate flanges. If the block itself is built properly you can see ungodly amounts of power and torque. Here is a small sample of the many combinations we offer. The turbo was capable of supporting 800 hp—we know this from previous testing on a smaller 5.3L. Complete turbo kit and turbo nova. {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}, 283ci 305ci 327ci 350ci 355ci 400ci SHIPS FROM MICHIGAN, JEGS – Selection, Value, Lifetime Support Since 1960…. Extra ring gap is critical on boosted application, since the extra heat causes ring expansion. The deal with turbo charging is that a lot of it is dependant on the displacement of the motor and the size of the turbo. The restriction in exhaust naturally hurt power, but it also limited wastegate control, as combination of wastegate spring and boost pressure wasn't enough to overcome the elevated backpressure. The Y-pipe featured a 3-inch V-band fitting, which allowed us to install any size turbo (T3-T6) using custom adapters. With plenty of power and great reliability, this 454 cid twin-turbo LS engine keeps customers knocking at Redline Performance’s door whether they're here in the States or overseas in the Middle East. 1957 Chevrolet Bel Air/150/210 2dr hard top Additional Info: For sale worldwide Reserve auction 1955 Chevrolet Bel Air 2dr 454 big block engineDemon carbrator12 bolt rear end400 turbo transmission Hearst shifter four wheel disc brakes frame off restoration done about 5years ago powder coated frameBrand new Custom chip fooz wheels tiresThe body overall is in great shape does have chip on … Save big block chevy turbo kit to get e-mail alerts and updates on your eBay Feed. By clicking Sign Up, you agree to the  Terms of Use. The $163 turbo improved the power output by nearly 200 hp, so why our long faces? Edelbrock has developed Universal Supercharger systems for Gen 1 Chevy Small-Block, GM LS, Chrysler Gen 3 HEMI and Ford Coyote engines that are the perfect bolt-on for popular swaps and custom builds whether it’s a hot rod, street machine or classic truck. Once we ran the boost up to 12.6 psi, the turbo BBC thumped out 914 hp and 910 lb-ft of torque. SBC Small Block Chevy 1000HP Twin Turbo TT kit 262-400 FULL KIT 350 305 5.0 5.7 GM BBC Twin Turbo Kit 572ci 502ci 454ci 427ci 396ci. To prep the Hunk-o-Junk big-block for turbo use, we decided to pull the Gen 6 motor apart and add some much-needed ring gap. favorite this post Jan 19 11 Silverado HD 2500 4x4 Parts ... Chevy 454 big block / turbo 400 $800 (pdx > Vancouver) pic hide this posting restore restore this posting. The hot side of the turbo was simply not sized to support the exhaust flow of the boosted 454. The backpressure curve (upward trace) shows the reason why, as the backpressure reached a peak of 22.5 psi with just 8.6 psi of boost. The first reason is cost. Brand New. Free shipping on orders over $100! Run on this larger 454, the hot side of the turbo was the limiting factor. Bolt-on Big Block Chevy Turbo Headers Designed to fit the 4.84" bore space big block chevy heads, these bolt-on turbo headers are the perfect solution to any turbo header packaging concerns. (2) Turbo Exhaust Manifolds. Looking around the shop, we selected a billet-wheel, S480 BorgWarner turbo from LJMS. They say that these pistons are far stronger than hypereutectic-cast pistons and are nitrous- and boost-approved making them perfect for drag racing. Truth be told, a standard S475 would work equally well at this power level, but the billet-wheel S480 from LJMS allowed us to add a few extra pounds of boost to the 454 and properly control the boost curve. To finish out the big block Chevy build, Gomez added a 112mm Precision turbo, a custom-built air to water intercooler, an electric pump fuel system, and a Haltech 2500 computer. This resulted in not just more power at the same boost (over 37 hp), but the complete control over the boost curve. Something went wrong. The $163 turbo was equipped with a 3.5-inch exhaust, while all the boost was channeled through an air-to-water intercooler from Procharger. Remember, it's not a piston failure under boost, it's almost always a ring gap problem. Run with the Holley HP management system, the injected 454 was now ready for some eBay boost. The Small Block Chevy is a dead outdated hunk of iron that is best left to old guys puttering around restoring muscle cars in their garages, or is it? Official Release: New Chevy 496ci Dome Top +18.0cc – FPS Pistons and Stroker Kits for Chevy Big Blocks! Nothing adds an extra 125 hp quicker (or easier) than a nitrous kit, and run with 125hp jetting, the 454 thumped out 519 hp and 646 lb-ft of torque. 00. Only 10 left in stock - order soon. Number of bids and bid amounts may be slightly out of date. ls single turbo kit / February 21, 2021 / Leave a comment February 21, 2021 / Leave a comment Auction Lot F72, Seattle, WA 2015. What this motor needed was a bigger turbo. It seemed like a match made in heaven. Boost was controlled by a combination of dual Turbo Smart wastegates run by a TC-1 electronic boost controller from Daytona Sensors. After upgrading the 454 with the Dart heads and custom Comp cam (0.561 lift, a 233/239-degree duration and 118-degree LSA), the 454 still suffered slightly from low compression. Back in part 1, the carbureted (but otherwise stock) 454 produced 378 hp at 4,700 rpm and thumped out 482 lb-ft of torque at 3,500 rpm. They were also given a little porting love to improve the flow rate, though the stock heads would easily support the current power level. Luckily, Edelbrock had a 454R intake designed for EFI use, but the rec-port intake was obviously not an ideal match for our oval-port heads. The low-buck turbo worked well, but it was not without its limitations. The final upgrade came in part 4 where we added a set of Dart Pro 1 275 (oval-port) heads and a custom Comp cam, which pushed the peak power numbers up to 503 hp and 492 lb-ft of torque. Our shortcut to power came in part 2, with the installation of a Holley Sniper nitrous system. These bolt up to, and function great with, BBC square port & D-port heads as well. FREE Shipping. All of the turbo testing was run on 100-octane fuel, meaning it could easily be duplicated on pump E85 (with even more power). offering turbo kits and performance auto parts for all makes and models of vehicles. Run with this LJMS turbo, the backpressure ratio dropped from 2.62:1 (22.5/8.6 psi) to just 1.5:1 (13.0/8.6 psi). Measured at 8.6 psi, the S480 was up by 37 hp. C $1,191.09. Knowing this, we decided it was high time the 454 received some positive pressure. This page was last updated: 27-Feb 03:09. Shop our collection of engine rotating assemblies & components from Ford, Chevy 350, 383, big & small block & more. Find out what makes this 454 LS Redline's most popular engine package. The elevated back pressure caused two problems, one being reduced power for a lack of exhaust flow, the other being reduced boost control. Judging by the previous results of the turbo on the 5.3L LS, it is much better suited to a smaller displacement, especially if you are looking to max out the flow limit of the compressor. Run in naturally aspirated trim, the 454 produced 510 hp at 5,800 rpm and 488 lb-ft of torque at 5,200 rpm. The 454 big block is a true legend of an engine that has been the base for many of the fastest, highest HP builds in the history of hot rodding. View cart for details. Remember, this was with the stock short-block and extra ring gap. 1978 Mustang II rack and pinion power steering. Brand new street twin turbo package for Big Block engines. ARP High Performance Series head bolt kits are tough. What’s left, though, is a 454 cubic-inch big-block Chevy with huge potential. The most complete twin turbo package available. New in Mustang Turbochargers. LSX-TWIN-TURBO-KIT-LS1-LS2-LS6-4.8-5.3-5.7-6.0-6.2-FOR-CHEVY-CAMARO-1000HP, Twin Turbo SBC Kit FOR GMC Chevy Blazer Tahoe 305 350 5.7L 1500 Silverado Sierra, Customs services and international tracking provided, - High Performance Upgrade GT45 T4 10pc Turbo Kit Chevy Small Block SBC Engine 350, FOR CHEVY SBC 1000 HORSEPOWER TWIN TURBO KIT Camaro Trans AM GM 350 355, - Flowtech 11572FLT Small Block Chevy Turbo Headers 1 7/8 in. eBay Motors; $215.00 $ 215. The second is that you can also improve upon that boost because sometimes you actually do get what you pay for! Our systems are manufactured to meet your high boost pressure and high horsepower needs. Part Number: WND-7751-1 Not Yet Reviewed 1978 Mustang spindles. The result of the drop in backpressure was an increase in power at every boost level. This growth causes a reduction in the gap. ... Related: big block chevy single turbo kit 454 turbo kit big block chevy turbo headers big block chevy supercharger. The eBay turbo was installed using a V-band T4 adapter. This package has all new quality parts that is capable of producing up to 1000 horsepower with supporting modifications. Tubing Diameter 3 in, Leave feedback about your eBay search experience - opens in new window or tab. Your information will be collected and used in accordance with our  Privacy Policy. Did it work perfectly? The result was a decreasing boost curve from the gate slowly opening under the rising backpressure. The Pic-a-Part special was then prepped for dyno use by replacing the factory EFI with a carbureted, dual-plane intake and non-computer-controlled distributor. Despite our use of an electronic boost controller routed to the top and bottom of the wastegate, the boost pressure supplied by the GT45 turbo dropped from 9.9 to 8.6 psi (lower line trace). See each listing for international shipping options and costs. It was necessary to both provide a dedicated oil feed and drill a hole in the oil pan to mount an oil-return fitting. Custom designs for all types of vehicles built and … The other change we made was to replace the carbureted 454R (Edelbrock) intake with a version designed for fuel injection. Undaunted, we carried on and ignored the mismatch. PREMIER. Get the best deals for big block chevy turbo kit at eBay.com. The next step was to perform a cam and valvespring swap. We have a great online selection at the lowest prices with Fast & Free shipping on many items! 454. turbo 400 trans, 12 bolt rearend, new interior, 80 % done,new front windshield,new black vinyl top,runs great. If the heat is either too much or too long, the ring ends will eventually touch, seize momentarily in the bore, and break the ring lands on the piston. The project actually started quite some time ago after we pulled a Gen 6 454 from the engine bay of a 1-ton Suburban. The log manifolds are designed specifically for all conventional style Big Block Chevy cylinder heads. From China. CXRacing Twin Turbo Kit For 68-72 Chevrolet Chevelle with Carbureted Big-Block V8 Engine 396 402 427 454 Dual T72 Turbos Support 900-1000 HP Comes with:-Twin Turbo Headers, 2" OD Runner Tubes, 3" Downpipes-Dual T72 Turbo with 0.81 Exhaust Housing-Dual 44mm Vband Wastegate-Oil Line Kit … Take one modified, junkyard 454 and add some cheap boost from a $163 eBay turbo. With everything ready, we installed the fuel-injected 454 up on the dyno. Did it work? Now we just sit and wonder where the rest of the power is. A product of growing power needs for the bigger, heavier GM production cars and trucks of the 1970's - GM had to come up with something as successful as their small block Chevy platform. Check out the boost versus backpressure curves in graph 2 to see why. Ok, I'm new here but I've been following these turbo threads. We configured the 454 with our DIY turbo kit, which consisted of a set of tubular turbo manifolds feeding a custom Y-pipe designed to accept the turbo and dual wastegates. Full install kit includes all bolts and hardware. I have a complete turbo kit for a 70 nova comes with 91/102 forced induction turbo 1600 hp supra intercooler all piping hooker 2 into 1 manifolds kit... Posted 2 days ago $5,000. In Part III of our engine build, we build our own homemade turbo kit to test on our Demon Engines Low-Buck 454, using a 74mm Comp Turbo, Turbosmart 45mm … 00. 1971 camaro big block car. Brand New. Cranking up the boost could produce slightly more peak power, but that came with a dramatic increase in boost at lower engine speeds. This was less of a turbo comparison as it was an illustration of what happens when you select the right turbo size for your application. Overkill for this application, the 1,200-plus horsepower was more than adequate to allow us to demonstrate what happens when you run the right turbo sizing on your big-block. Chevy V8 big block engines (BBC) 366 396 402 427 454. This graph clearly shows why the little eBay GT45 was struggling to keep up on the 454 Chevy. Oklahoma City , OK . Get rid of that idea that turbo charging a big block is a bad thing. FREE Shipping. They are rated at 180,000 psi--15 percent stronger than Grade 8 fasteners. ... Chevy Small Block Turbo Kit T4 Single CAMARO PONTIAC NOVA 350 WITH Crossover. $1,299.00 $ 1,299. Include description. Turbocharged Gen V 454 cid Big Block Chevy After building more than 700 engines in his career, Joshua Gomez of MotorVation Performance, wanted to build himself an engine that was affordable, fast and stayed together. In keeping with the junkyard "Hunk-o-Junk" theme, we decided to employ the $163 GT45 turbo run recently on a 5.3L LM7 (LS). Single Turbo. Sure. Includes supercharger, couplers, clamps, BOV and tube, and all necessary brackets, pulleys and hardware for a complete installation to your BBC. “It’s a very reliable turbo engine on a budget and one fun car in the streets. While not ideal for naturally aspirated power, it was just begging for boost. To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performance’s dyno room. Let's take a look! Fleetside short bed custom pickup. We have proven combinations pushing in excess of 3000+hp. Posted on June 6, 2014 July 3, 2018; by Mike Kojima; Building the Ultimate Turbo Small Block Chevy-Part 1. by Mike Kojima. This test illustrates two important points: it is certainly possible to buy BBC boost for what amounts to chump change. “I am very happy with my setup,” Gomez says. Naturally, we couldn't just leave the turbo 454 without installation of a proper turbo. Copyright © 1995-2021 eBay Inc. All Rights Reserved. This allowed us to dial up the boost without having a falling boost curve. Complete kit will mount one TorqStorm® Supercharger to a Big Block Chevy – driver side or passenger side. The big-block Chevy is one of our most popular platforms to build. There was a time when adding an extra 200 hp to your big-block would have been a big deal. This Big Block Chevy twin turbo kit uses our proven turbo manifolds with 0.120" thick, 304SS tubular construction, and completely TIG welded. Run at lower boost pressures, or on a milder 454, the eBay turbo might do well, but know that back pressure will be high with this turbo on this type of application. Chevelle discs and rotors. This is the most complete package available compared to others at an affordable price. $1. Save turbo big block chevy kit to get e-mail alerts and updates on your eBay Feed. We configured the 454 with our DIY turbo kit, which consisted of a set of tubular turbo manifolds feeding a custom Y-pipe designed to accept the turbo and dual wastegates. After running the fuel-injected 454 in naturally aspirated trim, it produced 510 hp and 488 lb-ft of torque. Big Block Chevy Twin Turbo kit BBC 366 396 402 427 454 Package Huge Headers. Despite the use of an electronic wastegate controller, the boost curve dropped from 9.9 psi to 8.6 psi. The (smooth) surface finish is specific for MLS gaskets, so make sure if you plan to use them to have your machine shop put the right finish on the decks. Supercharger System, 174, 10-Rib Pulley, Polished, Chevy, Big Block, Rectangle Port, Kit. Chevrolet 454 big block bored .060 over to 468 CI. The eBay special had two major things going for it: price and performance. $3,100. Fatman Fabrication front cross member kit. All. Manufacturers and installers, of precision fabricated headers for high performance automotive and marine engines. Save … While we had the motor apart, we also took the liberty of surfacing the deck to receive a set of MLS head gaskets.
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