Quote:
Originally Posted by fastboatster
Do I understand it correctly that you had an n55 with f chassis style hpfp but now you got an early n55 with the same hpfp as an n54? From what I saw on some other forum, early n55 with the n54 hpfp has a different vacuum pump/hpfp chain tensioner compared to the later style n55 with f chassis style hpfp. That tensioner is not sufficient for driving later style hpfp and the chain tends to stretch really quick and come off. I’ve also heard that the newer style tensioner can’t be mounted to the early style block.
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saw the same only issue is that if i simply change the front face of pump attaching to the hpfp then theoretically it should work just wanted to see if anyone knows or has heard if possible