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#4 |
Registered Member
Join Date: Sep 2001
Location: Lévis, Québec, Canada
Posts: 12
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![]() I already have the 69 heads on my 351, my best time to date 12.60 at 113 mph with 125 hp on nos (nitrous in 2 and 3 gears without powershifting). I know I'm only using about 70 hp of the nirous because of the restriction of the 69 heads and I would like to know if the gt-40 "P" iron heads could help me. Is there a big difference between the gt-40 "p" and the 69 heads, will the gt-40 heads give me all the hp of the nitrous ?
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