[FlatBlack]

Hello all,

Just picked up a 1998 Formula that I will be prepping for ESP class in SCCA Autocross. It's Blurple, but I don't care too much about my cars look (IMG:http://www.frrax.com/rrforum/style_emoticons/default/smile.gif)

I have some other things to take care of first, but wheels (17x9 or 10+) and suspension should come soon. I plan on Koni yellows and GC coilovers.

(IMG:http://i254.photobucket.com/albums/hh81/flatblack280/CYMERA_20140226_175210.jpg)

(IMG:http://i254.photobucket.com/albums/hh81/flatblack280/CYMERA_20140226_175226.jpg)

This post has been edited by FlatBlack: Feb 27 2014, 10:22 PM

[Smitty2919]

I'm interested in all this differential talk. I need to get on over the winter for next season.

Flatblack, what was your reason for going with the Eaton clutch pack vs Eaton TrueTrac or even the Auburn Race diff with their rebuild program? How is it working out for you?

I'm only running 275 V710's on stock 10 spoke ss wheels and try to autocross as much as possible with the car being a DD. I have horrible RH turn pass rear tire spinning issues and can't power out of turns.

I like the rebuildable clutch pack/spring idea vs Auburn/helical gear design only offering their rebuild program for the first 4 years after initial purchase.

[FlatBlack]

I'm interested in all this differential talk. I need to get on over the winter for next season.

Flatblack, what was your reason for going with the Eaton clutch pack vs Eaton TrueTrac or even the Auburn Race diff with their rebuild program? How is it working out for you?

I'm only running 275 V710's on stock 10 spoke ss wheels and try to autocross as much as possible with the car being a DD. I have horrible RH turn pass rear tire spinning issues and can't power out of turns.

I like the rebuildable clutch pack/spring idea vs Auburn/helical gear design only offering their rebuild program for the first 4 years after initial purchase.

From the last page:

My previous region's ESP group went through most of the diffs, and the Eaton clutch diff is the one that holds up to 315 A6s on all 4 corners. The helicals and Auburn Racer's diff didn't last long. My car came with the "Zexel-Torsen" diff. It didn't work after 120,000 miles.

So I've only had the Eaton clutch type, but 3-4 guys using the same axle came to the conclusion that it worked the best. From what I gather, I'm going to need to rebuild even the Eaton every other year or so, but it seems to hold up the longest on Hoosiers.

No complaints with mine, I actually had the inside rear chirp pulling out of a parking space the other day, so it's still working for sure. It has probably 1000+ miles and 80+ autocross runs on it by now.

[dailydriver]

No complaints with mine, I actually had the inside rear chirp pulling out of a parking space the other day, so it's still working for sure. It has probably 1000+ miles and 80+ autocross runs on it by now.

Are you using any limited slip friction modifier in yours (whether added in via 4 ounce bottle, or already in the gear oil)?

Also what type of gear oil (synthetic or mineral based)?