60v6 2.8 Timing Chain Question - S-10 Forum
 
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post #1 of 9 Old 08-13-2015, 08:11 PM Thread Starter
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60v6 2.8 Timing Chain Question

Hey you guys got 150k miles on my 85 Blazer 2.8 got air blowing cold in Alabama but I think timing chain slapping. Haynes manual says the oil pan could be a problem when re-install cover anybody know do you loosen pan or what. Thanks long live first gens

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post #2 of 9 Old 08-14-2015, 12:19 AM
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Re: 60v6 2.8 Timing Chain Question

You do not have to remove or even loosen the pan for access to timing chain.

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post #3 of 9 Old 08-14-2015, 05:45 AM Thread Starter
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Thanks Bonestock gonna give it a try this weekend.
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post #4 of 9 Old 08-18-2015, 05:45 AM Thread Starter
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Got it done piece if cake the bottom edge of front cover has a smooth lip that fits against same on oil pan two screws hold the lip tight RTV thanks
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post #5 of 9 Old 08-18-2015, 10:07 AM
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Re: 60v6 2.8 Timing Chain Question

How loose was the old chain? Flapping?

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post #6 of 9 Old 08-25-2015, 04:46 PM
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Re: 60v6 2.8 Timing Chain Question

Years ago on the old 2.8 I put a water pump on it and decided to go ahead and crack it open to see what was going on. Timing seemed a little "off". I was shocked to see the slack! It wasn't hitting the cover, but I don't know how it wasn't! It was a miracle it didn't jump time.

Is it really chain "s-t-r-e-t-c-h" or is it the gears wearing rapidly too? I mean look at a motorcycle chain and sprockets. They stretch not only the chain but the gear itself wears down.



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EFI swap https://www.s10forum.com/forum/f106/...e-help-513616/

My build thread (3.4L)https://www.s10forum.com/forum/f106/...stions-427168/
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I had to cut my nut in half .
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post #7 of 9 Old 08-26-2015, 12:46 PM
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Re: 60v6 2.8 Timing Chain Question

I bought a 72 Yamaha DT 250 once. The rear sprocket had nubs instead of teeth on it...

S10 addiction:
1)'82 S10, 383, 700R4, Shorty
2) '85 S10, 3.4, 700R4 4x4 stretch cab (Redneck)
3) '90 S10 2.5, 5 speed shorty
4) '91 S10, Built 3.4, 5 speed shorty (Voodoo)
5) '92 S10, 2.5, 5 speed shorty, (Barbie)
6) '92 S10, 2.5 5 speed, Shorty
7) 1979 LUV, Buick 3.8 V6, TH 350 Shorty.
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post #8 of 9 Old 08-26-2015, 08:14 PM Thread Starter
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Re: 60v6 2.8 Timing Chain Question

150k miles running pretty good but I thought I heard sumpin. Got it down looking at old timing chain on the right side it's tight but on the left side you could rattle chain maybe inch and a half. New chain tight both sides. There is a guide in middle that helps it run true. LOTTA bolts to take off and put back in this job. New Water pump got 6mm bolts that hold WP to TC cover at bottom of pump. threads pulled out of cover on those had to tear it back down and learn about Time Serts Got it back together with new v-belts. . Smooth and quiet.
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post #9 of 9 Old 08-28-2015, 09:14 AM
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Re: 60v6 2.8 Timing Chain Question

Time Serts....that's a new one on me. Just checked that out. How well did it work? By the way, we live close. I am in McCalla.



1984 xcab s-10 3.4L GM crate engine 91 S10 TBI swap w bored intake, Edelbrock headers. 2" Rough Country Lift. Custom exhaust, shift kit, e-fan.


EFI swap https://www.s10forum.com/forum/f106/...e-help-513616/

My build thread (3.4L)https://www.s10forum.com/forum/f106/...stions-427168/
Quote:
Originally Posted by Racer_X View Post
I had to cut my nut in half .
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