Originally Posted by danilito
Hey guys, I have an 2012 3.7 auto with 3.31. Im debating 3.73 vs 4.10. I have the dss aluminum shaft, mpt tune, and other goodies. Who here has an auto 3.7 with 4.10s? Yes ive used the search feature but didnt really find what i want.
How does your ds feel at 120+? Vibrations?
Can you get traction on the street?
Highway rpms? Ive used the calc to predetermine what they would be but id like to hear results.
Thanks for any help!
The drive shaft is spun balanced to 8000 rpm... your drive shaft will never see 8000 rpm installed on your car... that is equivalent to, running your automatic transmission and being in 4th gear and the tech showing 9100 RPMs. 5th gear and the tech showing 6960 RPMs. 6th gear and the tech showing 5500 RPMs.
Vibration should not be an issue...
Gears 4.10 with stock GT intake, 4.30s with aftermarket Boss intake. should be
I don't speak often but when I do, I don't have clue what I am talking about. I just repeat things that I once heard and do not repeat them correctly... My doctor told me it was an ID 10 T problem and it was incurable.
So when I reply to a post or add to a thread I just find the words elsewhere and copy and paste.