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10-26-2003, 06:06 PM
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Registered Member
Join Date: Oct 1999
Location: Marine Corps Base Hawaii, HI, usa
Posts: 208
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Check out 5.0 Magazine December 1999 where the swapped in a set of GT40p's. They replaced a set of midley ported ette's with the gt40p in a 12.63 @ 105.9 trophy stock car. It had an e-303 and 1.6's, with the gt40p's they ran a 12.46 @ 107.9, that's using the mac gt40p headers as well. It also says central coast has an 89 coupe that has run 11.98 with gt40ps.
Other possibilities is find a set of regular GT40's and save the price of headers, or hunt for a good deal on after market cast irons, I swapped from my stock 85 heads with an e cam and 1.6's, to windsor jr's and 1.7's and went from a 14.1 sec et, to 13.5's on a 190,000 mile short block. If you want to read the whole article let me know. Adam |
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