Thread: Hot Silverado 427 SS Concept May be Built
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Old 11-04-2006, 08:23 PM   #41 (permalink)
Hunter
2.4 Liter SIDI ECOTEC
 
Join Date: Jul 2003
Posts: 285
Re: Hot Silverado 427 SS Concept May be Built
the mileage might not even be THAT bad...it could probably idle past anything at 70 on the highway
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