Dec 23, 2008 · The 96-97 trucks arent supported. You need to swap your BLACKBOX Vortec 96-97 PCM for a 411 PCM and use a base calibration file for a 2001-2002 GMC Savana or CHev Express van as these vans used teh older Vortec 305,350 and were conrolled by the 411 PCM. BRAND NEW crate engine!! 5.7 350 SBC V8 Ceramic coated headers Edelbrock performer intake 4 Barrel Holley 600 Carburetor Delivered to my door by Jegs! Saved by William Olsen 7

Also 350 CFM and 500 CFM two barrel Holleys(from the dirt track days when we had to run 2 barrel carbs only). I see that aluminum intakes are available for small block chevys and vortec heads; I take it that a complete vortec block and...Dec 02, 2008 · the vortec manifold only, not the heads? Than you would use this intake set-up: Just compare the location of the intake ports on both the head & manifold before attempting the swap. However if you were thinking of using this Vortec 4.3L induction: Than no, you would need 96+ Vortec heads too. Cheers ~Mykk

Use this intake manifold along with a Holley 4-barrel carburetor for 35-45 hp boost. Holley carb square bore bolt pattern (adapter required for spread bore carb applications). It is slightly over 1 inch higher than a standard intake manifold. Includes Vortec intake gaskets and 8 intake manifold bolts. BRAND NEW crate engine!! 5.7 350 SBC V8 Ceramic coated headers Edelbrock performer intake 4 Barrel Holley 600 Carburetor Delivered to my door by Jegs! Saved by William Olsen 10

Use this intake manifold along with a Holley 4-barrel carburetor for 35-45 hp boost. Holley carb square bore bolt pattern (adapter required for spread bore carb applications). It is slightly over 1 inch higher than a standard intake manifold. Includes Vortec intake gaskets and 8 intake manifold bolts. * Flexplate/Flywheel: late 350 weighted * Stall Converter: 1800-2200 rpm * Intake Manifold: Dual plane, satin aluminum * Fuel Recommendation: 91 Octane * Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34° * Firing Order: 1,8,4,3,6,5,7,2

Vortec is a trademarked name for a line of engines for General Motors trucks.The name first appeared in an advertisement for the 1985 model year 4.3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber, creating a better air/fuel atomization.