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1968 Chevy Camaro Oil Pressure

Tiny
ERIC BENNINGHOVEN
  • MEMBER
  • 1968 CHEVROLET CAMARO
  • V8
  • 2WD
  • MANUAL
  • 6,000 MILES
I have a 68 Camaro with a 350 Chevy. Oil pressure has dropped from 48 psi to 42 psi after warm up at 3000 rpm. The two things I have done since this has happened was change the push rods to moly 5/16s from stock and changed valve springs from 295 lbs open pressure to 340lbs.
could lifters be effecting this or could the holes in the push rods be bigger than the old ones causing a lower pressure.
Thanks,
Eric
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Sunday, January 20th, 2008 AT 1:45 PM

1 Reply

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
Are you concerned with the oil pressure being too low? So many things will cause a varying oil pressure. Tolerances in bearings, normal wear. According to gm there is not a problem that is detrimental to engine life unless it goes below 6 psi when hot at idle.
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Sunday, January 20th, 2008 AT 1:50 PM

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