L31 heads
WebJul 4, 2006 · Beginning in 1996 to '00, L-31 Vortec heads were installed from the factory on GM truck and van 350 engines. These newly designed for 1996, state of the art heads are … WebMar 21, 2024 · 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 …
L31 heads
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WebJul 4, 2006 · Beginning in 1996 to '00, L-31 Vortec heads were installed from the factory on GM truck and van 350 engines. These newly designed for 1996, state of the art heads are made from cast iron and replaced the former swirl-port TBI heads that had been previously used on the GM truck 350. WebOct 7, 2011 · Re: l31 vortec heads They are the best flowing stock head on the intake side. Get some flow tests from Edelbrock and AFR and compare them to stock L31. I would …
WebMay 3, 2024 · 353 Posts. #3 · Nov 9, 2011 (Edited) The L31 Vortec 350 that was installed in all GM half ton trucks (Pick-ups, Tahoes, Suburbans, Vans) put out 255 hp and 330 lb-ft. Whoever told you 430-450 ftlb of torque was off by 100 lb-ft. 600 lb-ft is possible but very expensive with a small block. If you want the motor to live a long life plan on ... WebMar 14, 2007 · First of all, the World Products head is aluminum, rather than cast iron like stock Vortec heads. For compatibility, the World version maintains the standard 23-degree Chevy small-block valve angle and the 64cc combustion chambers, but uses 215cc intake ports, which are huge compared to a stock Vortec’s 170cc runners.
WebAug 17, 2024 · This single four-barrel intake is designed for Chevy 262-400 with 1996-Up Vortec (L31) cast iron or Edelbrock E-Tec aluminum cylinder heads. An external water bypass boss is machined into the front of the water crossover for use on 1996-Up Vortec production engines. WebCrankshaft Coalition Wiki -- hot rod tech articles
WebSmall Block Chevy Cast Iron Vortec Cylinder Head 170cc Intake Ports 64cc Combustion Chambers 1.940'' Int/1.500'' Exh Valves .475'' Max Lift Straight Plug Assembled, Sold …
WebSep 1, 2014 · Specs on engine build in progress: 97 L31 Vortec engine, stock bottom end 9.6 Compression ( .015 head gaskets for .039 squish ) SCR about 7.87 Comp xr264hr cam … the artmore atlantaWeb3 hours ago · One of the defining modifications of the 1986 GMC Caballero listed on Cars & Bids is its new engine: a GMC “L31” V8 (5.8 liters). The engine boasts a Holley Street Avenger 670 carburetor, Vortec 906 heads, LT4 Cams camshaft, 1.6 rocker arms with roller tips, aluminum radiator with electric fans, and it breathes through a custom 2.5-inch ... the art mob hendersonville ncWebOct 16, 2015 · The L31 Vortec cylinder heads represented a major design change in Gen I SBC heads. They could be used on any SBC block from 1955 through the end of the … the girl with green hairWebApr 4, 2008 · 3,070 Posts. #6 · Apr 3, 2008. I generally convert the press in studs to screw in style studs. I generally mill 7/16" off the boss and use guide plates. Im not using the guide plates I install a hardened head bolt washer the same thickness as the guide plate under the stud. I almost always use ARP studs. the artmoreWebCylinder Heads: Cast iron Vortec heads 1.25 diameter valve springs Hardened retainers and springs 2.02 swirl polished intake valves 1.60 swirl polished exhaust valves Hardened push rods. Cam Specs: Cam Type: Roller.510 Intake .520 Exhaust 230 Intake / 236 Exhaust duration @ .050. 110* Lobe separation angle. Ignition Timing: 34 degrees total (at ... the art moscow voykovskaya hotelWebThe L31 is how it is referred to by the engineers, but its market name is Vortec 5700. This Chevy 350 engine was mainly fitted under the hood of General Motors ( GM) vans and trucks. It is unarguably the most reliable engine and has a 100,000-mile warranty on the entire engine block. the girl with green eyes bookWebJan 3, 2024 · 1996-2002 Small Block Chevy 350 Vortec with L31 Cast Iron Heads Dual Plane 4-BBL Square Bore Carburetor Mounting Flange Non-EGR RPM Range: Idle to 5,500 RPM Cast Aluminum Satin Finish See more product details Ships Today QTY Add To Cart Add to Wish List Share this product Items You May Also Consider the girl with golden hair edith howard cook