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#544926 - 12/11/09 01:20 PM Re: Oil System Mods For Big Block Refresher Course Please [Re: 52savoy]
440Jim Offline
I Live Here

Registered: 01/19/03
Posts: 15753
Loc: Southern Maryland
Quote:

I want my pressure to be 65-75 psi at idle hot and..


What oil temperature and idle rpm is that pressure? And rated oil viscosity?

In my drag race car, I have never seen over 160 F oil temp, and typically it is 120-150 (and that is trying to put heat in the oil). On a street driven car, I believe it could easily be 200+ F and that will change idle (sub 1000 rpm) oil pressure significantly (viscosity vs temp). My street car doesn't have an oil temp sensor, but I can see the idle pressure change after driving 20 minutes.

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#544927 - 12/14/09 08:27 PM Re: Oil System Mods For Big Block Refresher Course Please [Re: 440Jim]
Stanton Offline
master

Registered: 10/13/05
Posts: 6013
Loc: Ontario, Canada
I the big block diagram it says not to drill the #1 main passage. Why not ??

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#544928 - 12/19/09 08:21 AM Re: Oil System Mods For Big Block Refresher Course Please [Re: Stanton]
tboomer Offline



Registered: 01/20/03
Posts: 21535
Loc: The frozen wasteland of Iowa
Guys...Great thread!! I will move this to the archive...This will be good to have for future reference!

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#544929 - 12/19/09 09:01 AM Re: Oil System Mods For Big Block Refresher Course Plea [Re: tboomer]
6packattk Offline
mopar

Registered: 01/21/05
Posts: 450
Loc: Texas
Thankyou,it is much appreciated

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