11-27-2011, 11:02 AM
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CC Member
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Join Date: Jun 2005
Location: Belleville, 15 miles East of St Louis MO,
IL
Cobra Make, Engine: Classic 427, I purchased it May 2005, the kit was bought in 1991. I'm not sure when it was completed! Installed GMPP Connect & Cruise 376/525 with T-56 S/M 3.55 gears about 2 years ago! 1/4 miles is with old setup!
Posts: 281
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Not Ranked
^^Very True^^
I had a Vortech S-trim SC on a 454SS truck. Vortech had used a very small pulley on the supercharger due to size and low rpm of TBI 454 BBC. They had a fitting for a 1/2" breaker-bar on the SC bracket so you could torque the heck out of it! It would still slip. Not with a stock cast crank! I had a custom crank pulley about 1 1/2" dia. larger made so I could also use a larger SC pulley to achieve the same boost level with a lot less belt tension! No more belt slip even when I stepped the boost up about 10%! The pulleys worked great, the 10% increase not so much! It went lean on a real hot day at the strip and I broke a forged piston! A fun setup, more torque than the tires (BFG drag radials) and I knew what to do with!
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Al
I want to do right, Just not right NOW!
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