Thread: 351 v6 noisy?
View Single Post
  #5  
Old July 9th, 2023, 08:18 AM
George Bongert George Bongert is offline
Senior Member
 
Join Date: Jan 2013
Location: Oshkosh Wisconsin
Truck: Former owner Repowered by GMC 305 V-6, 1963 Chevy 30 Series SM420 Long Bed (9') Step/Fenderside
Posts: 210
Rep Power: 141
George Bongert will become famous soon enoughGeorge Bongert will become famous soon enoughGeorge Bongert will become famous soon enough
Default Re: 351 v6 noisy?

Quote:
Originally Posted by Troyport View Post
Maybe... well, definitely have a "ticker" on the driver's side, but that isn't the same sound I hear. And correction, I have 50psi at hot 700rpm idle, and if I drop to 500 I have about 40psi. Vacuum gauge flutters at idle, so probably should adjust the valves before I jump to conclusions.
Greetings, Troyport!

Given that you have 50 psi oil pressure @ 700 RPM hot, and 40 psi @ 500 RPM hot is well within normal range, and is indicative that you do not have any loose (badly worn) crankshaft or camshaft bearings. I (along with others) suggest checking valve clearances.
Reply With Quote