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Old 12-27-2009, 09:53 PM   #14 (permalink)
Tygen1
Master EcoModder
 
Join Date: Dec 2008
Location: South Jersey
Posts: 553

Little Blue - '98 Ford Escort ZX2 Cool
Team ZX2
90 day: 44.75 mpg (US)

Big Red - '00 Ford Excursion XLT
90 day: 15.53 mpg (US)
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Quote:
Originally Posted by mcrews View Post
so after smoothing the under belly all the way back, would a 3'' dam negate that work?
the bottom of my front lip is 7 3/4 inches to the ground. I could ratchet my springs down maybe one inch. But I had lowering springs for about 1 yr and I was ALWAYS scrapping my front lip.
What angle are you measuring?

As Metro said, no one can tell you exactly how your car will respond. The cheapest method of finding out is to just tape some cardboard on there and do some coast down tests. Underbelly pans take quite a bit of time and labor to get on, Air Dams are quick and easy. Quick and easy is the route I chose and it worked. May not be optimal, but it has been saving me money since the day I bolted it on. It was the best $13 I've spent so far...
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