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aaron_sK
Member
Joined: 23 Jan 2006
Posts: 8834
Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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 Posted: Sat Aug 31, 2013 8:22 pm Post subject: Why replace timing chain? |
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Because 22RE. 
When I got it apart the chain and sprockets were a bit worn, but the guides were complete and in decent shape. That had me scratching my head until I was putting everything back together and found this:
Looks like the pump had been eating itself for a while. So a hundred unplanned bucks later...
No more clatter on start or at cold idle! 
I cheated and did ithe whole job with the head and oil pan still on the engine so we'll see how it holds up. |
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chevymad
Master B
Joined: 11 Jan 2004
Posts: 5476
1987 Pontiac Formula
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| Posted: Sat Aug 31, 2013 10:18 pm Post subject: |
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| I've done a few that way.. only bit me once. LOL I almost feel bad, I'm changing a 22re right now and the old motor is sitting there in the core box with a 2 year old front cover and oil pump. |
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Alphius
Peanut
Joined: 05 Sep 2006
Posts: 2429
Location: Grand Mound
1984 Chevrolet Camaro Z/28
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| Posted: Mon Sep 02, 2013 3:30 pm Post subject: |
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Wow, that would explain it. Good fix. 
_________________
84 Camaro Z28 - LS1/T56
85 Silverado - Low and Slow |
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aaron_sK
Member
Joined: 23 Jan 2006
Posts: 8834
Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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| Posted: Mon Sep 02, 2013 5:29 pm Post subject: |
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| chevymad wrote: | | I'm changing a 22re right now and the old motor is sitting there in the core box with a 2 year old front cover and oil pump. |
No worries, B. I've been working over the holiday weekend and I only had Saturday to get it done and back on the road.
| Alphius wrote: | | Wow, that would explain it. Good fix. |
Yeah, the stupid thing is when I ordered the timing chain kit off Rock Auto I looked right at the oil pump (which they had for like $60) and thought "nah, it's probably fine." 
I've put about 120 miles on it in two days and so far so good. It doesn't seem to leak oil in the driveway, no milkshake, an no rattling.
Still need to fix the exhaust leak in the collector gasket. |
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