I think you need to be in a Triumph Spitfire forum.
1 - 6 of 6 Posts
I think the lighter rear suspension was only in the S6 or RS6 where they use aluminum. There are aluminum hubs on later 4Mo, but I don't know if it was certain years or just W8 models.
The differential is either 3.889 or 4.11 and uses a torsen setup, not a true limited slip. They do have upgraded diffs that can be fitted. There is a 3 letter code on the diff that will tell you the ratio.
You can add coilover sleeves to the rear shocks, not the easiest to adjust, but they worked great on my car.
I'd expect that there are several other cars that run an IRS that would fit better in a smaller car. Maybe a late-model Golf Alltrack would be much lighter, smaller, and more efficient.
There were plenty of performance-minded owners on here, but with the last B5 built nearly 20 years ago, most moved on.
Here are the rear differential codes:
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The differential is either 3.889 or 4.11 and uses a torsen setup, not a true limited slip. They do have upgraded diffs that can be fitted. There is a 3 letter code on the diff that will tell you the ratio.
You can add coilover sleeves to the rear shocks, not the easiest to adjust, but they worked great on my car.
I'd expect that there are several other cars that run an IRS that would fit better in a smaller car. Maybe a late-model Golf Alltrack would be much lighter, smaller, and more efficient.
There were plenty of performance-minded owners on here, but with the last B5 built nearly 20 years ago, most moved on.
Here are the rear differential codes:
1 - 6 of 6 Posts
