[vs69chevelle]

I am assembling a 383 stroker good for 400-425hp. It has a 2 piece rear seal. I was told a hi volume oil pump will cause premature leaking from the 2 piece rear seal and a standard volume will work fine. any experience with this?

 

[Mike]

Just use the standard as you really have no need for the H/V.

 

[SWHEATON]

As suggested,your better off with a std vol pump for the perf lvl your motors at.

But install the optional slightly higher pressure relief spring that normally comes with the std vol pump that gives roughly 5-10 lb's addtional psi oil pressure (depending on clearances & oil viscosity) with motor hot @ cruise.

Scott

 

[vs69chevelle]

Thanks for the info I'll stick with the standard volume pump.