Quote:
Originally Posted by thesource
You can waste your money on a 7.5 and then do it all over again and again . I've been building diffs for 12 years and have done just about every diff on the market up to 1 ton trucks . I'm telling you , building a 7.5 Ford diff is a waste of time just like building a GM 7.5 is a waste of time and money . They are too weak and the parts cost as much or more than the 8.8 Ford or 8.75 GM 12 bolt .
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If these guys are going over some major hp then sure 8.8. If their staying n/a and just want gears and posi then 7.5 will be fine.
GM 7.5 is a waste, since theirs a 5.7L motor infront of it...