Wheel Confusion

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simon291971449

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Wheel Confusion

Postby simon291971449 » Sat Sep 30, 2023 1:04 pm

Hi. Didn't quite know where to put this post, so opted for "Suspension".

I have a 91 Facelift 4.0 Coupe, and it has 16" Jaguar Sport 11 hole alloys (8Jx16x19 (AH) SPC1204). I assume the 19 refers to offset and the SPC1204 is the part number.

I don't know if these were designed for the XJS or whether they were originally on a different Jaguar. I know the XJ40 XJR had something that look very like these.

However, I recently noticed , when getting the wheels refurbed, that I have an odd wheel. I think it's one of the 11 hole alloys fitted to later Facelifts (Celebrations?) and the main difference from the other three is that instead of having a completely dished centre, it has a slightly protruding central part where the centre cap goes. Can't believe I hadn't noticed this before!

All four wheels are wearing Falken 225 55 R16 tyres.

So I have set about finding a single Jaguar Sport alloy to complete my set. This is where my confusion starts.

I have found a single wheel on eBay which looks like exactly what I'm looking for, but the seller has provided a photo of the spec on the inner wheel rim and it is different from my existing three wheels. It is 8Jx16x33, and has a part number SPC1137. A bit of research suggests this is a rear wheel from an XJRS and with 33 offset, is not what I'm looking for. Am I correct?

My main question is this. Can anyone help me identify the three wheels I already have? Are they off an early 90s XJ40 XJR, or off a limited edition XJS? This will help me in looking for a fourth alloy to complete the set.

Hope all this makes sense.

Many thanks

Simon
1991 4.0 auto coupe flamenco red

ptjs1

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Location:Kent

Re: Wheel Confusion

Postby ptjs1 » Sat Sep 30, 2023 7:52 pm

Simon,

Your SPC 1204 wheels are the 19mm offset front wheels off a facelift XJR-S.

But I don't recognise that SPC1137. It's not the part number of the rear wheel for a pre-facelift XJR-S, a facelift XJR-S, or an XJ40 XJR. In fact, if I haven't seen the number stamped in the rim, I'd have assumed it was an error.

So you need a facelift XJR-S front wheel (SPC1204) or else find 2 x 33mm offset facelift XJR-S rear wheels to match (SPC1198)

Cheers

Paul
1995 XJS 4.0 Convertible
1980 XJ-S Pre-HE
Jaguar 4.2 Supercharged engine (but not with a Jaguar body..)

poprivet

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Re: Wheel Confusion

Postby poprivet » Sat Sep 30, 2023 8:15 pm

This ad suggests the SPC1137 is from a Jaguarsport XJR XJ40

https://www.ebay.co.uk/itm/155789037352

ptjs1

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Posts:3520
Joined:Thu Apr 27, 2006 7:14 pm
Location:Kent

Re: Wheel Confusion

Postby ptjs1 » Sat Sep 30, 2023 8:31 pm

I've seen that advert. But Jaguar quote the Speedline 33mm offset for the XJ40 XJR as SPC 1007. And the JaguarSport 33mm offset for the XJ40 XJR as SPC 1198.

So, a bit confusing.

Paul
1995 XJS 4.0 Convertible
1980 XJ-S Pre-HE
Jaguar 4.2 Supercharged engine (but not with a Jaguar body..)


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