I can’t find a reason why I shouldn’t apply intake valve pulse wave tuning with the intake runners. Choose Options. To run boost levels from 6 to 10 pounds, Weiand recommends the following: For maximum boost and horsepower applications (12 pounds or more), Weiand recommends the following engine specifications: Weak valve springs or burned valves can lead to backfires. No one knows all the facts of why things work on one car better then another too many variables, its always trade off of different things to learn what works for you ! Zoomie headers are recommended for all-out competition I just want people who feel that way to know, that mindset is the type of ignorance that created the middle ages. Lobe-To-Lobe, Cam-To-Cam Accuracy! Blown engines make great power in the low-and mid-rpm range. I have a tko600, most people run automatic transmissions. Thanks for the article, helpful to many and I shared it…by the time I realized that it was meant for guys who were using V8’s built prior to the the LT1 or so…or whatever ford and mopar guys ran back then it was too late…then the recommendations from Weiand….I was like…OH MAN…rip van winkle. Stock heads, Jahn's forged racing pistons, Milidoon main bearing and head studs, Chrysler solid tappets, ronco vertex magneto complete mechanical advance total run out 12 degrees, TCI 2400 stall torque converter, 1968 dodge 440HP 727 torque flite trans. Mechanical Roller-Good for serious Street / Strip applications with large engines. Good heads less restrictions = more power, Remember its easy to move the air but to keep the fuel mixed with the air going in the engine it will stick to any walls in can find and drip. Pingback: cheapest way to build a blown ford v8 for fast street use - Page 6. Hydraulic Rollers Cams; Big Block Chevy; Big Block Chevy. After initial start-up, check the spark plugs for proper reading (color) and adjust the carburetor(s) accordingly. COMP Cams Blower 300BR-14 Solid Roller Camshaft for Small Block Chevy. 1955-1998. I’ve seen several cams that still have 25* or more overlap while others have 1-5 degrees of overlap. CC6F-110LC 260/270 DUR@.050, 630/627, 110LC, 4000-7600. Flat tappet and roller cams are recommended for high performance applications especially where the engine will see high RPM’s. You should also make sure you have a good-flowing air cleaner and exhaust system to allow your supercharged engine to breath easily. I am building a blown 454, 8 pounds boost, 750hp range. I Don't know if that profile still exist today. The cooling system also needs to be in good condition to prevent overheating, which may lead to detonation. This was in 1979 when you could still find Ethyl High Test at some stations. We do not mass produce camshafts. Currently, Howards Cams’ Boost! Some distributors with computer controlled advance curve and timing may not be compatible with a supercharger because of the preset timing and sensors they require. Also the low lift air flow and overlap scavenging principal still seem to apply. Detonation (pinging): Detonation is the single most destructive force in a supercharged engine and steps must be taken to eliminate it. Good torque. Sig Erson provided the cam with a max lift of 530 exhaust 500 intake 112-degree lob centers. A quality electronic unit would be the preferred choice for best all around performance and reliability. With the use of an aftermarket camshaft, follow the camshaft manufacturer’s recommendations for valve springs. Forged blower pistons with a static compression ratio of 7.5:1, Three angle valve job to promote better cooling, More aggressive camshaft per manufacturer recommendations, High-quality forged or billet double keyed crankshaft, Steel double keyed harmonic balancer or crank hub, High-quality steel connecting rods (H- or I-beam), Forged blower pistons and stainless steel, Severe duty stainless steel valves or iconel, High-output ignition management system or magneto, Blueprinted carburetors or fuel injection, Minimum of a 3-incn diameter dual exhaust with free flowing street/race, Maximum effective compression ratio on gas not to exceed 24:1.