Thread: cheap power improvements to the 425...
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Old 05-13-05, 04:08 PM
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davesdeville davesdeville is offline
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Cadillac(s): 1995 ETC, 75 Deville, Cad500 powered 73 Apollo, 94 Mark VIII
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Re: cheap power improvements to the 425...
Get a propane carb system, a late model 500 and swap the 76cc heads on it for 12.5:1... Propane's cheaper than gas and 12.5:1 is better than 8.5:1 or 10:1.