![]() ![]() Temp changed from 1500 deg F to 1250 deg F Loaded) improved from 9 MPG to 14 MPG (fleet average for a year) using 6 deg cam advance. LPG fuel economy on 33 Chevy vans with 350 ci V8 (8600 lb gvw and always fully The horsepower penalty at 5000 RPM is 21 hp Pressure (compression gauge test) from 120-130 psi to 170-180 psi. Advancing the stock cam 6 deg will increase the cylinder Reverse pumps the incoming charge into the intake manifold. Next most important is Intake open, next is exhaust close and last is exhaust open, Forīest low RPM (idle to 2500 RPM) efficiency the intake needs to close before the upward movement of the piston Of the 4 events controled by the cam, intake open intake close exhaust open exhaust close.Intake close has the most signifigant effect on the Horsepower compared to the factory "link" chain. The double row "roller" chain and sprocket set when tested at 500 rpm on a SBC 350 gives 15 free "reduction in friction" I am researching what simpel things I can do to optimize my current engine. So dont want to change that.Īnd no dont want to do a full rebuild (yet). I just had the converter that came with the tranny revised. My heads have a date code G246 = July 24th 1976 Probably a little differently build sbc350 then mine. I find several info on my heads.here it says they can get you 9:1 compression. Can't be any worse than advancing the stock smogger cam. Advance that cam a bit? Give him a ball park what sort of cam may work without any other major changes. ![]() ![]() Pure guessing what that compression would react right to, I'd go real small on the duration 252? 110 - 112 spread, mild but a bit of lift. Rams horns would be perfect for the exhaust. Whatever intake manifold not so big an issue as that. Turn Key Packages Starting at $6,000.Gottago wrote:I get the impression kikegek doesn't want to do a full rebuild or raise compression /torque converter or any of that, just cam it for what he has now.Turn Key Ready Complete Engines for Easy Install.We are a premium high-performance custom small block builder and we offer horsepower from 350 up to 500 that is specific for daily driving, not racing. We offer base options as well as turn key GM 350 small block engines ready for an easy installation perfect for a self install in your classic car or truck. If you want premium components that are name brands, the best machining money can buy, the best blueprint engines that are balanced and tested it will cost more upfront but you will do the job right the first time. “You get what you pay for” is the theme here at West Coast Engines. Shopping for a Chevrolet 350 small-block V8 crate engine for your project but keep running into generic engines with foreign parts and half of them are built outside the USA? ![]()
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