Idle Oil Pressure?

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   86 SN 2001 - 351 PCM

I have finally got my carb running consistently, and I set my idle at 500rpm.  When at idle, my oil pressure bounces from 20-25psi.  I have never noticed it that low before, but I have also never been able to hold my idle that low either.(I have chased a leaking venturi for a while that made my idle swing +/- 400rpm)  When running 2000rpm:40-50psi, 3000rpm:50+psi, 4000rpm:40-50psi.  I think I may need to bump up my idle to 750ish.  I didn't try it yesterday, but it may pick up my idle oil pressure.  I guess my question is what should my idle oil pressure be, I know I am fine when running, but the idle pressure made me nervous yesterday.

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rmm025 Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: July-20-2009 Location: West Monroe, LA Status: Offline Points: 148	Post Options Post Reply Quote rmm025 Report Post Thanks(0) Quote Reply Topic: Idle Oil Pressure? Posted: May-06-2010 at 1:31pm
	86 SN 2001 - 351 PCM I have finally got my carb running consistently, and I set my idle at 500rpm. When at idle, my oil pressure bounces from 20-25psi. I have never noticed it that low before, but I have also never been able to hold my idle that low either.(I have chased a leaking venturi for a while that made my idle swing +/- 400rpm) When running 2000rpm:40-50psi, 3000rpm:50+psi, 4000rpm:40-50psi. I think I may need to bump up my idle to 750ish. I didn't try it yesterday, but it may pick up my idle oil pressure. I guess my question is what should my idle oil pressure be, I know I am fine when running, but the idle pressure made me nervous yesterday.

malibud Members Profile Send Private Message Find Members Posts Add to Buddy List Gold Member Joined: July-08-2009 Location: north carolina Status: Offline Points: 613	Post Options Post Reply Quote malibud Report Post Thanks(0) Quote Reply Posted: May-06-2010 at 3:04pm
	Thats what mine is when I m running about 4000 rpm I am at about 60 bit at idle iam about 20-25 I think that is ok less than 15 is trouble

79nautique Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872	Post Options Post Reply Quote 79nautique Report Post Thanks(0) Quote Reply Posted: May-06-2010 at 3:17pm
	idle should be set at 650 in gear 500 is too low.

rmm025 Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: July-20-2009 Location: West Monroe, LA Status: Offline Points: 148	Post Options Post Reply Quote rmm025 Report Post Thanks(0) Quote Reply Posted: May-06-2010 at 5:09pm
	As long as 20-25 idle rpm is ok I am fine with that, like I said just never remembered seing it that low even though it might have been that way all along. I plan on setting the idle higher, because I ended up dying going from idle to reverse one time.

Idle Oil Pressure?

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