ListedGuru
Well-Known Member
- Thread starter
- #31
Well dang it your not making this any easier on me, lol. I'm 99% sure I would never supercharge or even mode my non PP GT so I'm guess I'm looking at it from that angle. But you do mention that after having owned the 3.15's and the 3.55's I would notice a difference. I guess what I'm saying is I'll never notice if I don't ever drive a 3.55, lol.Well to clarify my post is about if you're supercharged then the first few gears on the 3.55 diff are useless meaning shift so quick no traction etc.. so the 3.15 diff tends to do better in those applications. If you option for the 3.55 non-pp version it's also not a torsen differential whereas the 3.55 PP diff is a torsen. I've owned both the 3.15 and 3.55 gears in a Mustang and yes you will notice a difference.
I see that @McSmugger mentioned above that he got the 3.55's non torsen but worries about wearing it out from lots of hard launches. Is there a difference from a wear and tear aspect between the 3.15's and the 3.55's in general. I can see where lots of hard launches especially on a non torsen would be bad but what about just normal daily driving duties. Would you expect that both the 3.15's and 3.55's would last he same amount of time?
Also just an interesting observation that the city mpg's are now rated 16 (up from 15) for the inbound GT's. It appears that bump up is the case for the both 3.15's and the 3.55's w/10A. I had previously thought it might be just the 3.55's getting the city mpg bump but it looks like the 3.15's are too. Not really a big deal just an observation.
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