[DeTomaso] DeTomaso Digest, Vol 52, Issue 28- Oil pressure

[RCBSONS1 at aol.com]

With all the talk of low oil pressure and clutch replacements
it is my next project to get my Firebird autocross car up and 
running again
 
I had the motor built by a drag racer... a destroked 455 with
a larger bore coming out at 440 inches... he did a mod to the
oil pump... the ram air mod... I think just a spring... when I fire
the motor up it is reading over 100 psi I can finally get it to
settle down to 80 psi at idle...It finally took out the rear main
but I kept driving it and then the clutch because it was too
oil soaked.... 
 
Pulling the motor and installing a new 60psi pump, graphite rear
main seal... the new thing from a Pontiac engine builder down  south....
and replacing the clutch with a diaphram clutch similar to an L88
unit.... motor is 530 lbs of torque with 430hp... Poncho power!!!
 
Any one ever put a graphite rear main seal in???... it looks like
a rope seal to me.  Pontiac vendor down south states this is
all he uses now on his builds.
 
Bob Benson Black #3 Pantera
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