body offset?

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tomfollows
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body offset?

Post by tomfollows » Thu Aug 08, 2019 11:39 pm

Hi all, I have a problem with my 1970 SE5, I noticed several years ago that the rear tyre on the passenger(lhs) was further out - almost level with the wheel arch lip while the drivers side rear is about 22mm in from the arch lip. I have lived with it, but I have just bought some 7" wheels and this offset on the passenger side it going to cause a problem with tyre clearance.

What I cannot figure out is where a 12mm offsert is coming from. The options could be:
1.Body not fitted to chassis straight - but seems unlikely that I can shift it over 12mm as the chassis roll bar attatchment are close to the sills on both sides.
2. The bodyv was made asymetric, but by 20+ mm seems a bit unlikely.
3. Axle is not located in the chassis properly - watts linkage arm length issue? As far as I remember both link arms are the same length and you can't really fit it wrong?
4. Rear drums have diffenet flange thicknesses. I did have a look and they are definatly not 12mm thicker on one side.
5. Something else

Does anyone else have this assymetric rear trye position problem, or figure out what is happening?
thanks in advance
Tom


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scimjim
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body offset?

Post by scimjim » Thu Aug 08, 2019 11:44 pm

I’d check the axle location etc - but it has been mentioned previously, so I suspect there were variations on body position at manufacture :oops:


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body offset?

Post by philhoward » Fri Aug 09, 2019 6:12 am

The body (or some bodies at least - the joys of handmade cars) isn’t symmetrical - GeoffTE found this out on his SAR restoration (he thought he’d done something wrong during his rebuild) and I thought it odd when fitting wide wheels at the back and they appeared odd.


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body offset?

Post by Coupe Racing » Fri Aug 09, 2019 6:24 am

A couple of turn buckle arms on the watts linkage will help with the axle location


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