L31 vortec specs

2019-10-16 05:25

Aug 23, 2010 Vortec heads are known for good flow and after opening up the EFI intake, it seems to me that it should flow to 5500 RPMs. I'm getting ready to rebuild this engine and keep the factory EFI as it's the family hauler.The Vortec heads are a little bit lighter than the older heads and have a kidney or heart shaped combustion chamber that is more efficient than the double hump chamber. L31 Vortecs comes in two different casting numbers, (# 906) or (# 062). Originally, the stock# 906 casting head was available in two versions. l31 vortec specs

Jan 24, 2007  First off, this is for a truck. I've got a friends '97 Silverado in my driveway with a blown head gasket, it's got the L31 Vortec engine. We've got all of the accessories, brackets, and wiring out of the way, tomorrow the heads are coming off and going to

New 350 HD Vortec Chevrolet crate engine with GM warranty with free shipping from SDPC. Complete long block with new Vortec heads, oil pan, oil pump and more. GM Engines Vortec HD 350 L31 New Crate Engine Free Shipping on Your Genuine Jun 28, 2012 this is an old thread, but I've never heard of a 350hp factory L31. unless they're refering to some special crate or replacement motor or police edition or something, I would question their data. all factory L31's that I'm aware of from were rated at 255hp330ftlbs.l31 vortec specs Chevrolet Performance 350 c. i. d. L31R long block assemblies are built up from 4bolt main blocks with onepiece rear main seals. To this, Chevrolet adds a nodulariron crankshaft, powderedmetal connecting rods, and hypereutectic aluminum pistons.

L31 vortec specs free

The L31 was the last engine to come out of the firstgeneration of Chevy small blocks. Performance Specifications The Vortec generated 255 horsepower at 4, 600 rpm and 330 footpounds of torque at 2, 800 rpm, or the force required to move a vehicle forward. l31 vortec specs The L31 5. 7L Vortec casting numbers are and. Casting number Vortec head has 3 small humps, aka sawtooth , on the end of the head. Casting number Vortec head has one large single hump on the end of the head. L31. 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 smallblock from Chevrolet. The cylinder heads feature combustion chambers and intake ports very similar to those of the LT1 V8, but without the reverseflow cooling. As such, the L31 head is compatible with all older smallblocks, and is a very popular upgrade. The HT383E is a powerful, emissionslegal small block crate engine for your GM truck or SUV see images, dyno specs, installation info and more. The 5. 7L L31 is the premier industrial workhorse, providing the power needed to get the job done without sacrificing fuel efficiency or durability. 5. 7L L31 Features& Specifications 5. 7L L31 Tech Specs

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