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Old 04-06-2009, 10:37 AM   #7
Portmaster
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Join Date: Nov 2008
Vehicle: 1985 LX Coupe
Location: SC
Posts: 2,402
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Quote:
Originally Posted by AdderMk2 View Post
Portmaster. I dont know what you have against the GT-40P heads.. But a properly setup combo CAN make 300rwhp with them.
I don't have anything against them. It's a decent upgrade over an E7 or any production head before it. It's just I'm realistic. I've never had a GT40 headed N/A mustng on my chassis dyno that put out 300 at the wheels. Thats not to say it can't be done. Guys would keep bringing their cars in for the Sat Morning dyno special (3 pulls $50) and as many things as they tried with cam swaps, intake swaps it seems as though the average was about 260 for the good ones. I'm sure 300hp is real possible but the average guy isn't going to swap cams every other week to get it there. I just beleive in being very realistic and for 300 rwhp with a set of GT40p heads would inlolve some porting and a custom cam and a good intake.
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