The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 350 ticking noise but only at idle. What would it be?

**mattfranklin** · 02-22-2018, 03:31 PM

Fascinating discussion and diagnosis. Great pictures, too! When I first started reading, I was going to suggest going to a heavier viscosity to see if the sound changed, but as I read further you guys homed in on it and nailed it. Great work!

02-22-2018, 03:31 PM	#20
mattfranklin Senior Member Join Date: Dec 2011 Location: Moraga, CA Posts: 804	Re: 350 ticking noise but only at idle. What would it be? Fascinating discussion and diagnosis. Great pictures, too! When I first started reading, I was going to suggest going to a heavier viscosity to see if the sound changed, but as I read further you guys homed in on it and nailed it. Great work! __________________ (Very) Slow-Going Build Thread: Stock 1970 Short Step with Stock 1970 LT-1 http://67-72chevytrucks.com/vboard/s...d.php?t=567340 Last edited by mattfranklin; 02-22-2018 at 03:36 PM.