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Old 09-02-2007, 12:50 PM
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Lightingrod Lightingrod is offline
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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!
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I thought Jams was looking to step it up a notch, not go Pro Stock racing? Yes there are better base engines to start with but what he has is not a bad place to start with, IMHO! I think the internals are fine to 400-450 hp if the rpm is limited to 6000-6500. The Vortec heads are not going to win any dyno pull-offs but they can make a pretty strong street engine.

50-75+ hp gain and 1000 more usable rpm would be a big improvement. Going with a roller cam and staying with the Vortec heads would mean little or no low end torque loss. For about a $1,000.00 I think it would be a good upgrade and keep you interested for a year or two.

Al's 2 cents!
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