Chevy L31 Engine Recipes

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L31 VORTEC PERFORMANCE UPGRADES RECIPES

Web When GM Performance Parts released the L31 Vortec heads for small-block Chevy engines in 1996, they were an instant hit with the hot-rodding crowd due to the great flow numbers (outflowing the venerable Bow Tie heads), efficient 64cc chambers, and great price (under $500/pair, assembled).
From tfrecipes.com

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GOODWRENCH 260 OR L31 VORTEC - 73-87CHEVYTRUCKS.COM

Web Nov 17, 2010 The (commonly accepted) Goodwrench rating of 260/350 was achieved with headers, free flowing exhaust, and a performer intake. If given that same components, a the L31 will trump the Goodwrench in terms of torque. Be sure to shop around when buying a GM crate. You should even check with your local Chevy dealers.
From forum.73-87chevytrucks.com

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SIX PROVEN ENGINE COMBINATIONS - TECH ARTICLE - CHEVY HIGH …

Web Apr 28, 2005 Ported GM L31 Vortec heads with spring upgrade for hydraulic roller cam and up to 0.570-inch lift, machined for 53cc combustion chambers Camshaft: Crane Cams 0.510/0.520-inch lift, 210/214 ...
From motortrend.com

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L31 VORTEC SPECS RECIPES

Web Web 5.7L Vortec 350 L31 Tech Specs P/N: 12691673 Power: 255 hp @ 4,600 rpm / 330 lb.-ft. @ 2,800 rpm Engine Type: Chevy Small-Block V-8 Displacement (cu. in.): 350 Bore x … From karlkustoms.com See details BUDGET VORTEC HEAD UPGRADE: EASY, MONEY-SAVING BENCHTOP MODS
From tfrecipes.com

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ENGINE L31 5.7L VORTEC - ED RINKE PERFORMANCE

Web Chevrolet Performance L31 HD Engine. Small Block Engine For: 1996-2002 Chevrolet Express/GMC Savana (G2,G3) 1996-2000 Chevrolet/GMC Pickup (CK2,CK3) 1996-2000 GMC Suburban (CK2,CK3) 1996-1999 Chevrolet/GMC Chassis (P3) 3/4 and 1-Ton only; Not for Marine Use; Product Reviews
From edrinkeperformance.com

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ALL NEW ! VORTEC 96-02 350 L31 CRATE ENGINE - IN STOCK

Web Vortec 96-02 350 L31 Crate Engine - IN STOCK ! 19432780. Your Price: $4,600.00. Suggested Retail: $4,817.17. ... and Specials. We have some of the lowest prices on Chevrolet Performance Parts, Chevrolet Performance Engines, and Chevrolet Performance Transmissions. Our large inventory and huge warehouses allow us to offer …
From gmperformancemotor.com

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VORTEC L-31 ENGINE'S LONG HISTORY AND CYLINDER HEADS

Web Mar 21, 2020 Making History While the L-31 was an impressive debut for GM, they weren’t quite finished. Many heads built before the early 90s required high degrees of ignition timing lead. Their burns were uncontrolled and random, leading to a less efficient combustion. The Vortec was revolutionary in such a market.
From cylinder-heads.com

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ENGINE INFORMATION L31 VORTEC? | HOT ROD FORUM

Web Nov 6, 2011 The only current crate engine from GMPP that is a GEN 1 engine is the HO350 which is an L31 Vortec 350 with a flat tappet cam 212/222 installed. Its cheaper to buy a new L31 for a 96-99 truck and then you get the roller cam and roller equipment as well. The rest of them are roller cam equiped.
From hotrodders.com

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EASY STREET 350 SMALL BLOCK ENGINE BUILD - MOTORTREND

Web Jan 24, 2014 16 Photos 15 After running a couple of break-in procedures and allowing the cam and lifters to get properly acquainted, we made some power pulls. With 35 degrees of total timing and minor jetting...
From motortrend.com

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L31-R LONGBLOCK & SELF TUNING EFI | GMC TRUCK FORUM

Web Dec 31, 2017 1. What is the best route on the fuel supply? Who makes the cheapest reliable solution to the efi fuel pump? I’ve seen quite a few inline ones that get okay feedback, but I can’t mount it lower than the k20s stock tanks, it would be to prone to getting damaged by a stick or rock.
From gmfullsize.com

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ASK AWAY! WITH JEFF SMITH: GETTING 400+ HP FROM AN OLD SMALL BLOCK CHEVY

Web Jun 5, 2020 Frankly, the easiest way to make 400 to 425 horsepower would be to buy a 5.3L truck engine and put on a carbureted intake manifold, a 750 cfm Holley carb, headers, and stick in a mild hydraulic roller like Summit’s Stage 2 truck cam with 218 degrees of duration. That’s not what you asked, but that would be the easiest way to achieve 400 hp.
From onallcylinders.com

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BUILD A 400+HP VORTEC 350 - MOTORTREND

Web Nov 4, 2019 Chevy 350 roller lifter hold-down: eBay Motors: $40.00: Chevy double roller timing chain set: eBay Motors: $22.25: Chevy black timing chain cover set: eBay Motors: $19.95: pushrods: eBay Motors ...
From motortrend.com

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350 CLUB : VORTEC 350 (L31) | GM TRUCK CLUB FORUM

Web Jul 10, 2014 The Vortec 5700 L31 (Vin code 8th digit "R") is a V8 truck engine. Displacement is 5.7 L. It is the last production Generation I small-block. The cylinder heads feature combustion chambers and intake ports very similar to those of the LT1 V8, but without the reverse-flow cooling.
From gmtruckclub.com

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CHEVROLET L31 ENGINE SPECS | IT STILL RUNS

Web Performance The 5.3-liter V8 engine has a compression ratio of 9.4 to 1. This high ratio translates into a production of 255 horsepower at 4,600 rpm and 330 foot-pounds of torque at 2,800 rpm. Vehicles General Motors used the L31 engine in a …
From itstillruns.com

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L31 VORTEC BUILD | HOT ROD FORUM

Web May 26, 2014 I have changed the springs and retainers on the L31 heads to allow for .550 lift. I used this kit: VALVE SPRING KIT, SB CHEVY VORTEC, HI-PERF HYD ROLLER - Alex's Parts Sales Spring pressures are 110 closed and 340 @.550 lift. My cam has lift numbers of: intake=.487, exhaust=.495.
From hotrodders.com

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CHEVY 12681431 [12530283] 5.7L/350CI L31-R LONG BLOCK CRATE ENGINE …

Web Get the Best Performance with Chevrolet Performance 5.7L/350ci L31 Long Block Crate Engine with Vortec Heads for GM Trucks/Vans 12681431 parts at JEGS. Shop Now at the Guaranteed Lowest Price!
From jegs.com

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96 L31 350CI/ENGINE SWAP OPTIONS | HOT ROD FORUM

Web May 30, 2007 My third and probably most likely option is to swap the transmission that's in the car already for a 5 or six speed chevy that I come across, and work on lightening and improving the L31 that I have. I can swap this one for another Gen I small block if I need to.
From hotrodders.com

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TBI ON AN L31 ENGINE | CHEVY TRI FIVE FORUM

Web Feb 10, 2016 Wayne Meuir Discussion starter. 1647 posts · Joined 2012. #1 · Feb 10, 2016. I am going to put a GM TBI (Junk Yard Parts, DIY ) I have a new crate L31 engine, Muncie 4-speed, and plan on upgrading the valve springs, spring seats, guide bosses for a higher lift cam. Probably going to use a ZZ4 cam or something on that order and long tube headers.
From trifive.com

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ANY EXPERIENCE REBUILDING L31 VORTEC ENGINES? | TEAM CHEVELLE

Web Sep 29, 2014 I've already invested in the Vortec heads & intake, so a L31 would be an improvement (my opinion here) with the 1 pc. sealing system and the factory roller came/spider setup, even a factory windage tray. I hope to find a 100Kish L31 that has been well maintained, but I expect this will take awhile, or a bunch of $$$ to locate.
From chevelles.com

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CHEVY 350 ENGINE SPECS - WHAT YEAR IS THE ABSOLUTE BEST?

Web Oct 3, 2022 The Vortec 5700 or L31 is a 5.7-liter Chevy 350 engine designed for trucks. It marked the end of Chevy’s generation I small-block engines. It was fitted with the same cylinder heads, combustion chambers, and intake ports as the LT1 V8 engines.The difference is the reverse flow and higher compression ratio that LT1 has.
From chevygeek.com

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BLUEPRINT FOR A BUDGET SMALL BLOCK CHEVY BUILD - ONALLCYLINDERS

Web Jan 29, 2016 The Vortec iron small-block Chevy head offer 1.94/1.60-inch vales and 64cc combustion chambers and flow better than any other production iron small-block Chevy head. Their limitation is a limited valve lift potential. Machining the guides to increase the retainer-to-seal clearance is an inexpensive way to convert these heads to use a bigger …
From onallcylinders.com

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GM 5.7L VORTEC 350 L31 LD CRATE ENGINE - KARLKUSTOMS.COM

Web L31 LD Crate Engine – GM 5.7L Vortec 350 L31 LD Crate Engine. Rated 5.00 out of 5 based on 1 customer rating. ( 1 customer review) $ 4,795.70. This replacement Chevy 350 Vortec light-duty engine will provide the OE horsepower and torque specifications while offering added durability over the factory engine.
From karlkustoms.com

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INCREASING POWER FROM YOUR 5.7L VORTEC ENGINE - MOTORTREND

Web Jul 12, 2016 GM LS V-8 engine swaps have been all the rage, and for good reason. They deliver a lot of power and efficiency with little effort. However, that doesn't mean you should toss out your...
From motortrend.com

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