drivetrain
does anyone have any before and after track times, dyno or anything from stock 3:42 to 4:10 (m6) i dynoed at 330 rear wheel and want to know if 4:10 are worth it. pease help

 

First off, dont even think about 4.10's, do some digging and get 4.11's.. Side by side there is a huge structural differance. 4.10's have 41 ring gear teeth compaired to the 4.11's 37.. Do a search for a guy that goes by "Grease" on here, on his personal web page he has a picture of them side by side, 4.11's look MUCH stronger. I put 4.11's in about a month ago and let me tell you, its an ENTIRELY new vehicle!! It pulls hard in any gear from any rpm and traction really isnt that bad, you do have a bit more power then I do though. The gears aren't near as bad as some make it sound, 70mph is about 2k rpm in 6th.. Going to the track tomorrow to see what gains I got. As for the dyno, you wont gain anything and at most you'll loose maybe 2 rwhp if that, the dyno from what I hear takes gears into consideration. Go for them! You'll be glad you did!

Craig

 

sweet man thanks for the reply. what brand and where did you get yours and how much can i get em for? also what all do you have to get, ring and pinion, install kit...is that all. i think i am going to also get a t.a. cover i heard that add strength