I recently stripped a 3.7 to fix it and 2 4.2 and they were all 1"
Ma8 maybe some one fitted incorrect ones to your car before you bought it ?
Or the 3.7 i worked on was incorrect ...4.2 is definitely 1" 100%
3.7 now im not so sure
The S8 V10 is electronic the V8s are vac pods
Last edited by daviesbike; 31st October 2014 at 08:45 AM.
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