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Author Topic: chevy 305  (Read 11962 times)

Offline 76 k10

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Re: chevy 305
« Reply #15 on: June 13, 2008, 02:10:28 pm »
Quote from: TexasRed on June 13, 2008, 10:43:02 am
With the th350c and original q-jet I was getting close to 20mpg on the highway, maybe 18-19. 3.42 rear end.
wow!!!! your lucky dude but did you have a 305
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Offline TexasRed

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Re: chevy 305
« Reply #16 on: June 13, 2008, 02:37:20 pm »
It was a 305 that had been bored .030 over and had a slightly hotter than RV cam. Dual exhaust, although the cats were probably pretty well hollowed out from years of use.
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