Quote:
Originally Posted by sambo
Either way, 4.1 and 4.3 are both less than ideal.
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Paul
I also have considered the change of centre and I am interested in the pros and cons. Why do you think the 4.1 and 4.3 are not ideal?
I am running a stock Mustang 302 and T5 with 0.68 top ratio. The R32 rear has a 4.3 ratio - I did an approximate check some while ago. The engine runs out of puff around 5500 rpm (either that or I do).
What would be the benefit in running the 4.1 or even 3.7 rear gears? I can see that economy might be better but that really is not the purpose!! I suppose dropping the rpm at 110km/h down from 2800(ish)
might be good for long term reliability. I can imagine that I wouldn't be changing gears as often but would there be any overall
performance benefit?
If I add some grunt to the power plant, I can almost see that the change in the diff might be useful, but with the stock 302, I am not so sure.
Cheers
Geof