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Old 07-21-2019, 01:49 PM
ALLZS ALLZS is offline
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Default Maintenance repair on survivor

My survivor well need a timing chain if i pull the engine to replace it correctly will that take away from its survivor status
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Old 07-21-2019, 01:55 PM
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Ryan1969Chevelle Ryan1969Chevelle is offline
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A friend of mine races his 30K Mile 1969 Chevelle L78, M21, KK, with replacement trans and rear but had the original engine rebuilt without painting any surfaces, it looks amazing and goes like hell.

If you are super clear with the rebuild shop ahead of time or do the work yourself you can only see the new gaskets.... (I would pick black gaskets not the crazy blue or orange)

Ryan W.
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Old 07-21-2019, 03:34 PM
luzl78 luzl78 is offline
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Don’t really clean the cover. Just the gasket surface.
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Old 07-21-2019, 05:45 PM
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Quote:
Originally Posted by ALLZS View Post
My survivor well need a timing chain if i pull the engine to replace it correctly will that take away from its survivor status
No.

A True Survivor is allowed to have percentages figured in on certain areas of the car.
Obviously battery, belts, hoses, tires and exhaust to name a few.
So a new timing chain will not effect the Survivor status.

As mentioned above, do not strip, paint etc. anything. Just carefully remove cover, gently clean to preserve the OEM finish, use factory gaskets and reinstall.

Chris.
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Old 07-21-2019, 06:09 PM
ALLZS ALLZS is offline
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thanks guys for the advice car has the old nylon timing gear & has me worried every time i drive it
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Old 07-21-2019, 06:34 PM
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I don't know that I would pull the engine to put a timing set in a car. If the cam was bad that is a different case all together, however if nothing was currently wrong I would just pull the top end down and put a timing set while in the car. - you have to pull the radiator fan prior to pulling the engine anyway -
To keep it as close to original as possible...
Try to find a NOS gasket set so you can replace the intake gaskets with the 100% correct ones and do not use silicone...
I found a NOS set a few months back on ebay and only paid $75 for head set with steel shim head gaskets, correct cork valve cover gaskets and all the correct intake gaskets just in case I ever needed to do my original car.
FWIW If you are meticulous with your details and do all of this it will be difficult for someone looking at it to definitively state the engine has been apart.
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Old 07-21-2019, 07:47 PM
Charley Lillard Charley Lillard is offline
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How many miles on the survivor ? Does it even need chain replacement ? You can pull dist. cap and turn engine over at crank to see how much slop is in the chain. If not much slop I would leave it alone.
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Old 07-21-2019, 08:02 PM
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57000 miles the intake was leaking in the corners when I had the intake off I could see the upper timing gear and the plastic looked very brittle and lots of cracking and missing pieces also would like to pull the oil pan as all that nylon gets pulled into the oil pump screen
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Old 07-21-2019, 08:38 PM
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Quote:
Originally Posted by ALLZS View Post
57000 miles the intake was leaking in the corners when I had the intake off I could see the upper timing gear and the plastic looked very brittle and lots of cracking and missing pieces also would like to pull the oil pan as all that nylon gets pulled into the oil pump screen
What automobile are you working on and what year? It matters.

If it is a Pontiac, the Cam Sprocket was aluminum with nylon teeth from about 1965/66 through around 1972.

I know too well. I once owned a 67 GTO, HO 4 spd. with 70,000 miles when it shut down. Many nylon teeth had been worn down and a few broken off.
I had other reasons to pull the engine, so now it was a must.
I already knew that a Pontiac Dealer service said if the nylon gear needs replaced you are advised to drop the oil pan to clean the nylon debris.

When I pulled off the pan there was plenty of small nylon chips that had gotten into the oil pump pick up screen.

These factory sprockets were a poor design.

Good luck on whatever you do.

Just remember, on a Survivor car don’t strip, paint, change anything except that timing set and factory style gaskets to preserve what’s left.

Chris
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Old 07-21-2019, 08:53 PM
ALLZS ALLZS is offline
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sure kinda like when I did the intake seemed like it took me 3 times as long to do it & not to disturb anything or brake anything
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