Detecting a limited slip diff in a Seven
Discussion
Hello,
a friend of mine purchased a Seven some days ago - it's a 2000 my Caterham Roadsport, engine is a 1.8 liter Rover K-series, although upgraded to Supersport spec, and 6-speed.
So the car was sold to him with a limited slip diff, although during the first test drives it seems that it will only barely or won't lock at all. The suspicion is that the car does either have a fully worn-out or no LSD at all.
He already put it up on jackstands and turned the rear wheels. That resulted in one wheel turning into the opposite direction of the one that got turned by hand. I once had an old Ford Sierra with a limited slip diff in it, that did the exact same thing, but that diff did it's job perfecty and locked all the time when I wanted it to.
I know that depending on the type of LSD, the way the other wheel turns in the situation of hoisting the car and turning one wheel can differ. Researching online wasn't really that helpful at all, sadly, which is why I'm trying to get info here in PH.
Is there maybe some kind of overview available online with the types of differentials fitted to Caterhams? Or should the diff (especially together with the 6-speed box) have a certain number for it to be able to verify it's an LSD?
I know quite some Sevens run Ford and BMW diffs, so it should not be that difficult to find out what's installed, should it?
Anyway, we're glad for any help we can get!
a friend of mine purchased a Seven some days ago - it's a 2000 my Caterham Roadsport, engine is a 1.8 liter Rover K-series, although upgraded to Supersport spec, and 6-speed.
So the car was sold to him with a limited slip diff, although during the first test drives it seems that it will only barely or won't lock at all. The suspicion is that the car does either have a fully worn-out or no LSD at all.
He already put it up on jackstands and turned the rear wheels. That resulted in one wheel turning into the opposite direction of the one that got turned by hand. I once had an old Ford Sierra with a limited slip diff in it, that did the exact same thing, but that diff did it's job perfecty and locked all the time when I wanted it to.
I know that depending on the type of LSD, the way the other wheel turns in the situation of hoisting the car and turning one wheel can differ. Researching online wasn't really that helpful at all, sadly, which is why I'm trying to get info here in PH.
Is there maybe some kind of overview available online with the types of differentials fitted to Caterhams? Or should the diff (especially together with the 6-speed box) have a certain number for it to be able to verify it's an LSD?
I know quite some Sevens run Ford and BMW diffs, so it should not be that difficult to find out what's installed, should it?
Anyway, we're glad for any help we can get!
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