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Old 03-09-2010, 02:02 PM   #11
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175,000 miles. The ticking noise started last winter, went away over the summer, and came back this winter.

I pulled the */c and LIM (gasket needed changing anyway) and found the lifters were all gummed up with crud. I change my oil on a regular basis, but I guess that isn't good enough. I soaked all the lifters to clean them, cleaned the valley up and put it back together (with new aluminum LIM gaskets). Ticking noise is still there. I put seafoam in yesterday, and will do an oil change in a day or so. If the ticking noise is still there, I will put in new lifters.

If I get to that point, we can have a little discussion on what lifters I should buy.... AC Delco or Comp Cam.
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Old 03-09-2010, 02:07 PM   #12
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Check on your rockers first. Did you use reusable rocker bolts or did you reuse the stock bolts?
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Old 03-09-2010, 02:58 PM   #13
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I re-used the stock bolts. The reason I think its a lifter is the ticking goes away as the engine warms up. Should I be buying new bolts?
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Old 03-09-2010, 03:04 PM   #14
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Stock bolts are torque to yield, so are not reusable. Get new bolts and see if that corrects the problem.
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Old 03-09-2010, 03:22 PM   #15
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I've had to resuse bolts before. If it'* the bolts, I'd think the ticking would not change as the lifter pumps up.

A lifter is really like a pump with built in check valve.
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Old 03-09-2010, 03:32 PM   #16
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If the seafoam doesn't work, I'll buy new bolts when I put the new lifters in. Rock Auto?
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Old 03-09-2010, 03:41 PM   #17
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I have a set of stock lifters if your interested.
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Old 03-09-2010, 03:44 PM   #18
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What mileage on the lifters Dan?
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Old 03-09-2010, 03:48 PM   #19
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By the way (a little off topic), in researching all this I came across a site that has the best schematics and part number listings I have seen on the internet. Take a look at www.compnine.com. You guys probably already know about this, but this is the first time I have seen that site. I was able to look up part numbers for lifters, rocker arm bolts, and an air pump hose I need for my Trans Am by looking at the schematics.
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Old 03-09-2010, 04:23 PM   #20
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Quote:
Originally Posted by 2kg4u View Post
What mileage on the lifters Dan?
A bit over 100k. The engine has a spun bearing. The lifters look to be in perfect condition. $50 shipped
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