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Re: [GMCnet] Timing chain [message #64312 is a reply to message #64303]

Sun, 15 November 2009 06:38

Terry Skinner

Messages: 379
Registered: January 2004

Karma:

Senior Member

75,000 would have been a better time to change that chain. I would be
willing to bet that you will find little pieces of plastic blocking
the oil pump pick-up screen.
Not enough?
If you pull one of the heads off you will find evadence that the
valves are just missing a colision with the piston as in marks in the
carbon.
Still not enough??
Your timming, as in camshaft to crankshaft is so bad that you have lost 50 HP.
Get busy. No need to pull the radiator, just the shroud (good time to
split it) and front end of the engine junk. (You wanted to powder coat
those brackets any way.)
Its winter, get to work!! <VBG>..............Terry

On Sun, Nov 15, 2009 at 3:57 AM, Gary Casey <casey.gary@yahoo.com> wrote:
> I'm trying to work up the ambition, so I thought I would ask the question: �I've got a '73 with about 155,000 miles on the original timing chain, as best I can find out. �Were there any plastic sprockets used in these models? �Should I change my chain now? �I've got the heads off, so now is as good a time to do it as any. �I just need the ambition....:-). �I assume I have to jack up the engine to remove the front engine mount.
> Gary
>
>
>
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--
Terry Skinner
Roy. Washington
'76 GMC
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[Message index]

		Brakes and brake fluid By: Harry on Fri, 13 November 2009 15:16
		Re: [GMCnet] Brakes and brake fluid By: Gary Casey on Sat, 14 November 2009 11:56
		Re: [GMCnet] Brakes and brake fluid By: USAussie on Sat, 14 November 2009 13:57
		Re: [GMCnet] Brakes and brake fluid By: Duce Apocalypse on Sat, 14 November 2009 18:10
		Re: Brakes and brake fluid By: JohnL455 on Sat, 14 November 2009 15:49
		Re: Brakes and brake fluid By: GeorgeRud on Sat, 14 November 2009 16:01
		Re: [GMCnet] Brakes and brake fluid By: GMC_LES on Sat, 14 November 2009 17:48
		Re: [GMCnet] Brakes and brake fluid By: USAussie on Sat, 14 November 2009 17:55
		Re: [GMCnet] Brakes and brake fluid By: GMC_LES on Sat, 14 November 2009 18:29
		Re: [GMCnet] Brakes and brake fluid By: GMC_LES on Sat, 14 November 2009 18:36
		Re: [GMCnet] Brakes and brake fluid By: USAussie on Sat, 14 November 2009 19:26
		Re: [GMCnet] Brakes and brake fluid By: Harry on Sat, 14 November 2009 19:44
		Re: [GMCnet] Brakes and brake fluid By: GMC_LES on Sat, 14 November 2009 21:35
		Re: [GMCnet] Brakes and brake fluid By: roy1 on Sat, 14 November 2009 18:55
		Re: [GMCnet] Brakes and brake fluid By: Gary Casey on Sun, 15 November 2009 06:21
		Re: [GMCnet] Brakes and brake fluid By: USAussie on Sun, 15 November 2009 07:03
		Re: [GMCnet] Brakes and brake fluid By: midlf on Sun, 15 November 2009 07:55
		Re: [GMCnet] Brakes and brake fluid By: Matt Colie on Sun, 15 November 2009 11:41
		[GMCnet] Timing chain By: Gary Casey on Sun, 15 November 2009 05:57
		Re: [GMCnet] Timing chain By: Steven Ferguson on Sun, 15 November 2009 06:29
		Re: [GMCnet] Timing chain By: Terry Skinner on Sun, 15 November 2009 06:38
		Re: [GMCnet] Timing chain By: Gary Casey on Sun, 15 November 2009 07:34
		Re: [GMCnet] Timing chain By: Charles on Sun, 15 November 2009 08:57
		Re: [GMCnet] Timing chain By: USAussie on Sun, 15 November 2009 06:35
		Re: Brakes and brake fluid By: GeorgeRud on Sat, 14 November 2009 18:45
		Re: Brakes and brake fluid By: GeorgeRud on Sat, 14 November 2009 21:31

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