No ford 9 inch, what do you recomend

[sambo]

Originally Posted by Aussie Mike

It's becoming quite a common conversion in the US to drop an LS1 into an S15 and S15 Nissans.

Crikey, I used to own an S15 and putting the full 147kw to the ground was difficult enough. Bigger turbo/intercooler conversions required camber kits in the rear and other measures to stop excessive axle tramp due to squatting. A 500nm V8 is unimaginable.

[Aussie Mike]

The earlier cars used Borg Warner diffs but I think that company was torn apart and the gearbox side of things taken by Tremec and the diffs going to BTR. VN, VP, VR or VS all had live axles available. After that they are nearly all IRS. Boxhead would certainly be the man to ask on the Holden diffs.

Cheers

[cameron02]

OK...................... what's the difference between live axles and IRS

[Plums]

Your Torana diff is a "live axle". The whole assembly is suspended and both wheels move in the same plain.

IRS (Independent Rear Suspension) as the name suggests, each wheel can move independently of the other, and the diff centre is fixed to the chassis (generally).