Get the heads! I had stock GT-40s on my car with headers,4.10 gear, 1.7's and factory intake and cam and it ran a 12.9@104, then I added the intake and cam and the rear end broke on the first pass so... The heads made a big differance over the E7's that were on there.
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87 GT, Cobra R's,GT-40 heads,Crane 2031,1.7's, Edelbrock intake, long tubes,BBK cold air, Mass air,pulleys,Pro 5.0, King Cobra,Lakewood Lift Bars,50/50's,subframes, 4.10's.
Best time 12.759
Best MPH 106.79
Best 60' 1.695
Visit my site at:
http://www.geocities.com/cobrar93_2000/MyPage.html