Reply to "Howards Camshafts (Summit)"

horacecopeMember

Thanks for the info George and others, Edelbrock performer ordered and is on its way. No spacers or plenum dividers planned.

Another problem seems to have reared its head this last weekend. Car ticks over and is fine till about 2000 revs. After 2000 revs and up a loud tapping noise appears. Back off again below 2000 and it goes away again.

Sounds to me like the lifters maybe getting starved of oil somehow.

I am running Comp cam roller hyd, comp cam roller lifters, std oil pump, 10 qrt pan, lifter bores have been sleeved. 10w 40 semi synthetic oil.

I also run a capilliary oil guage. One thing that has been worrying me since the rebuild is that max oil pressure is never more than 50psi and less once oil is hot. Oil pump is new, do you think it could be faulty, new ARP oil pump drive fitted.

Any ideas George or anyone as to whats going on here.

Cheers

3/27/172:18 PM

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