Knocking? Not a pushrod..
Thread Starter
Teching In
Joined: Mar 2011
Posts: 3
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Knocking? Not a pushrod.. [youtube]0HJ52wC4ufk[/youtube]
[youtube]ZITtLxmBAOY[/youtube]
I've already pulled the pushrods and all were straight and its getting oil up top like it should.. What should I check next?
Thanks!
[youtube]ZITtLxmBAOY[/youtube]
I've already pulled the pushrods and all were straight and its getting oil up top like it should.. What should I check next?
Thanks!
I can't listen to videos....what lifters are you using and how much preload did you set them up with? Did this noise start after a modification to the valvetrain (new cam, etc)?
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Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
Thread Starter
Teching In
Joined: Mar 2011
Posts: 3
Likes: 0
All stock setup. 160k miles. Drove it to town and it did fine. Drove it back and it started ticking. Had oil and then I changed the oil just to see if it would make a difference and it didn't. Oil has been Mob1 Syn 5-20 with Mob1 filter since I got the car 2 years ago.
TECH Enthusiast
Joined: Nov 2004
Posts: 714
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From: Tampa FL
When you changed the oil and there were no needle bearings from the lifters and the pushrods were all strait you need to look elsewhere. Check all your acsessory mounting points to make sure the hardware is tight. Make sure the tensioners are keeping the belt tight and check the belt to make sure it isn't boogered. Hows the oil pressure? That doesn't sound like the metal on metal clank of a rod knock but you never know it could be a bearing about to go.
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All stock setup. 160k miles. Drove it to town and it did fine. Drove it back and it started ticking. Had oil and then I changed the oil just to see if it would make a difference and it didn't. Oil has been Mob1 Syn 5-20 with Mob1 filter since I got the car 2 years ago.
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