12.55 @ 107mph = some good driving! Is that time corrected for altitude?
With your dyno #s, I am very surprised you didn't hit 110mph. That said, for running box stock TFS heads, Edel. intake, and an E303, 107mph in the 1/4 means you are making GOOD power out of that relatively simple combo. When it's all said and done, I'm sure you'll pick up another 1-2mph.
As for the dyno results....well, it's my opinion the numbers are too high. I truly believe that if your car made that kind of power on a mustang dyno, it would run 110mph easy.
Nevertheless, that's not your fault. It's the shop's fault and you shouldn't feel bad about it. You car runs real good for the combo you have.
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Jeff Kane
1990 LX Mustang ex-5.0 Coupe
No engine. No transmission.
Prepping car for a "big" big-block.
http://hometown.aol.com/red514lx/
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