buick-rover-v8
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Re: V8 oil pump thoughts

To: Winn Bearden <wbearden@americus.net>
Subject: Re: V8 oil pump thoughts
From: Susan and John Roper <vscjohn@huntnet.net>
Date: Wed, 08 Sep 1999 14:32:03 -0500
Winn, what oil pump bottom do you use?  how is the filter oriented?   Do you 
have a
part number?  John

Winn Bearden wrote:

> Dan Carrington wrote:
>
> > I have been looking into all the things that are available for the V8 oil
> > pumps.  All the high pressure, high volume, non-sticking, remote mounting, 
>oil
> > cooling, and everything else out there for these cars.  I am slightly
> > overwhelmed about this area.  There are so many things available and so many
> > conflicting articles and instructions.  Some say I have to replace/modify 
>the
> > base plate to fix a used engine pressure adjusting valve.  Some say I should
> > increase the pressure, and others say this is not a good thing.  I believe I
> > have found 3 variations in the size of the pump gears (early, late, and w/
> > spacing plate).  What all am I to do.  I plan a slightly hot rodded engine. 
> I
> > want it to last, so the oil supply is critical.  What is the best (price
> > dependent and price not dependent) thing to do in this area.  What, if 
>anything
> > should I do to the actual pump housing, since it is the whole timing front
> > cover.  I noticed scratches on the tips of the gear teeth and matching ones 
>on
> > the inside of the recess where they fit.  Somewhere, somehow, the gears have
> > been rubbing the inside of the timing cover, or large debris has been moving
> > around inside the pump!  Is this normal?  Should I do anything before 
>fitting
> > new gears?  Should I fit a new (dang expensive) timing cover?  I have
> > Hardcastle's books, and I have seen a tadpole type pressure regulating valve
> > that is supposed to alleviate the sticking problem, but I am unable to 
>source
> > one anywhere.  Has anyone ever bought one of these things?  Do you like it?
> > Where did you get it?
> >
> > Dan Carrington
> > 1977 White TR7, thoroughly tweaked for fun, awaiting V8
> > 1994 Honda CBR900RR sportbike
>
> Order you  a brand new timing cover for a 3.8 Buick.  You have to enlarge the 
>dowel
>
> pin holes if it is a Rover V-8.  One other thing. There is two different 
>types of
> timing covers.  Make sure your oil pan bolts line up.  If they don't, then it 
>is
> the wrong one.  The wrong one can work, but you'll have to drill and tap new 
>oil
> pan bolt holes AND drill out a blocked off oil passage. Not worth the hassle 
>unless
>
> you've already bought the wrong one and installed a hi- vol oil pump before 
>you
> realized it! (You can safely guess that this is what I did!)  100 bucks for 
>the
> cover, 30 for the hi- vol oil pump, and 30 for a Buick water pump instead of 
>the
> $200.00 Rover WP.
>
> --
> Winn Bearden    19?? SIIA/SIII/RR 100" Hybrid
> P.O. Box 464       1995 RR County Classic
> Americus, Georgia  1967 NADA 109" SW (in pieces)
> 31709




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