WebJul 14, 2009 · The engine made right around 400-410 hp, IIRC. XE268, GM vortec heads, Performer RPM Vortec intake. 9 or 9.5 for comp. ratio, can't remember. You're on the right track. I'd get a Vortec specific intake but I think there is a particular gasket that will allow a non-Vortec intake to work. R. WebFeb 9, 2024 · The SP350 has a dual plane intake, while the SP383 has a single plane intake. In my limited knowledge of engines, I understand this to mean the the SP383's single plane intake may lead to worse idle and low RPM characteristics; while the SP350's dual plane may be more suited for in-town driving. ... ATK, etc, but it seems that for …
Intake Manifold Benefits - Super Chevy Magazine
WebJul 27, 2014 · the mod effectively reduces the dual plane to a badly designed single plane intake, it might still make decent power, but its not generally as effective as a true single plane design in the upper rpm range and it tends to have sacrificed some low rpm power also, the partial divider removal above can at times help smooth out, and slightly … WebATK Engines HP99FT Ford 302 Drop In Engine, 230HP, 68-74 Truck made by ATK Engines, for as low as . Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. … teatherm gmbh
ATK V2 Auto Top Off Kit - Bulk Reef Supply
WebA Complete, Simple, & Standalone ATO! If you want a safe ATO system, the Neptune System ATK v2 uses a mixture of optical eyes and … WebHolley 300-130 Dual Plane Intake - GM LS1/LS2/LS6 $361.95 (7) LQ4, LQ9, LS1, LS2, LS6, LY6, EFI Fuel System Type ... LS1, LS2, LS6, Single Plane Intake Manifold Type Ships Free Intake Manifold Type: Single Plane Carburetor Quantity: One RPM Range ... WebOct 28, 2024 · Dual plane manifolds make better power off idle and at cruising rpm. The smaller plenums increase the airflow velocity. They also transmit the induction pulses from the intake valve to the carburetor better. This improves fuel atomization and metering, especially at low rpm. The dual plane design can serve as a restriction at high rpm. tea thermo fisher