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Re: Just drive it and see I guess Posted by SWEDECAR [Email] (#112) [Profile/Gallery] (more from SWEDECAR) on Wed, 7 May 2014 07:48:33 In Reply to: Re: Just drive it and see I guess, sam96CS [Profile/Gallery] , Tue, 6 May 2014 22:11:56 Members do not see ads below this line. - Help Keep This Site Online - Signup |
That's why I wrote give or take a few.
From the 9000 Saab manual.
The B202 engine should have a valve opening pressure of 3.6-5.2 bar and light comes on at 0.3-0.5 bar and warm pressure at 2000 rpm with 10W-40 should be 3.0 bar
The B234 engine in 1990 should have a opening pressure of 3.5 bar and light on at 0.3-0.5 bar and a warm pressure at 2.7 bar with 10W-30 oil.
So it's not that big of a difference between the different 4 cyl engines.
What we do know though after some testing is that the oil pressure in the B235 engines are just barely making the cut and Chuck Andrews had a few articles about it in Nines where he pointed to that the oil pump design and too big tolerances in pump gear was most likely the root cause of the low oil pressures.
Anders
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