Thread: Axle clearance - Crank Pulley (S1 86" - 2.25 LR Engine)

Originally Posted by Land-lord

Hi Team.

If I wanted to insert a 2.25LR engine in my S1 86" SWB, how do I overcome this well-known issue about axle clearance and crank pulley?

History states LR moved the front axle 2" forward to make the 88" to accomodate the 2.0 diesel/2.25 block.

Should I consider using :
different extended bumpstops?
different engine mounts?
smaller crank shaft pulley?

Should I grind a clearance profile into the axle?
Would the propshaft hit the crossmember and bind at the front UJ?
Would softer (5 leaf lightweight) springs cause this interference to occur?
Would the axle move rearward as the suspension compresses?

Land-Lord

I don't have experience of this, but there have been a lot of 2.25s fitted to Series 1s with little record of this being a real problem. Looking at an 88 I have here, clearance with 2" less wheelbase would be tight, but for the pulley to actually hit the axle would require simultaneous compression of both springs and probably some compression of both the bump stops and engine mounts. I would think the problem would be completely removed by fitting about 1cm spacers behind the spring bump stops. This would slightly reduce articulation, but this could be more than compensated by fitting parabolic springs and appropriate shock absorbers.
John

Thanks.

On my 88" donor LR, I iave 9-leaf springs and are called Jacobson SPrings - Sheparton.

ANy ideas on what these springs are like? Heavy duty like paras?