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Gear Ratios / Tires - No Procal

Posted: Tue Jan 09, 2018 1:02 pm
by DirtyOffroad
So I ordered a 2018 and will be doing 37s on her. Currently AEV/Diablo/etc cannot program a 2018 to fix the shift points. Assuming I didn't want to wait for them to (maybe) figure it out, If i gear swap to 4.56 gears, that should work out to roughly the same shift points right?

33/4.1 = 8.05
37/4.56 = 8.11

That's a 0.08% difference in overall gear reduction which is negligible as far as I can tell.

Re: Gear Ratios / Tires - No Procal

Posted: Thu Jan 11, 2018 8:28 pm
by olyelr
Yes... but what that calculation does not factor in is the added rolling mass and resistance of the larger tires.

There is no way I would spend the money to regear to 4.56's. Hell, I want 4.56's with the stock tires.

You dont have to take my word for it, but I would suggest going to at least 4.88's if you are swapping right to 37's.

Re: Gear Ratios / Tires - No Procal

Posted: Thu Jan 11, 2018 11:11 pm
by DamageWagon
You can run the 37’s first and determine how your driving style meshes with those tires. 4.88 would probably be a minimum (and the standard) if you’re going to regear. Or 5.13’s.

Re: Gear Ratios / Tires - No Procal

Posted: Fri Jan 12, 2018 11:21 am
by DirtyOffroad
4.88s would be my choice too but I'm also looking for drivability so without a procal, that was my major goal. I'll see how she rides with the 37s and a stock gearset. If its bearable I'll likely wait for a tune to come out