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Old 07-31-2007, 09:45 PM
jimfulco jimfulco is offline
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The hop-up parts for the 7.5" will cost the same as ones for the 8.5", and it will break a lot sooner. A used 8.5 might cost you a hundred or so, and after you spend a few hundred more on it, you won't have to worry nearly as much about having to walk home.

GM used the 7.5" rear behind the anemic 2-bbl 305 for only one year in Novas, then went back to the 8.5" from then on. What does that say about the durability of a 7.5" rear?
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