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Old 06-11-2014, 10:10 AM   #8
69GMCLonghorn
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Join Date: Dec 2006
Location: Porter Ranch, CA
Posts: 978
Re: V8 difference 307 or 350 ???

Quote:
Originally Posted by brawley View Post
thanks for the info about the SPID, that helps....any info on the 307's im thinking about swaping out my 250 inline, not sure if that's much of an improvement or not....
Lots of people consider the 307's to be boat anchors because they're not as powerful as a 350. I'm not in that "boat" so to speak. No, they don't have the power of a 350 but they are good engines, and will definitely be a big improvement over a 250 I6. You can put a small 4 barrel and headers on a 307, get decent power, and better mileage than a 350 (maybe close to what your I6 gets since it won't be working as hard!). Just food for thought.
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