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Old 08/13/2019, 03:37 PM   #16
1968Cally
 
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Quote:
Originally Posted by franklinair View Post
Nope. Sorry folks. I've bee to ALL the places mentioned, but you can't beat the mountains of western North Carolina.

Neil
I agree with you Neil 100%. Four seasons but non of them harsh. In 2011 we bought a lot in a mountain community in Mills River outside of Asheville. We had plans for a house and had a builder but got cold feet about leaving our only child back in Chicago with no other family. I have been meaning to call a realtor to list the lot.

At least it was a good dream. We still go down in the fall and do the parkway. Heaven on earth

Dave
'68 GTCS
8R01J140036 2/8/1968
C4/PS/PB/AC
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Old 08/14/2019, 11:50 AM   #17
66hcs-conv
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Meanwhile back to the subject of this thread/post - what ever this is.

I put washers in the vacuum unit, per the shop manual, and got the timing to stop advancing past 40 degrees at 3500 rpm. The OEM damper is only marked to 40 degrees and after doing a little measuring I think the timing was advancing to 50 degrees before I put the washers in. The advancing is very close to what the shop manual says it should be, maybe advanced a little past spec.

While I didn't use the heat gun, the heat gauge shows a little cooler. And before when I stopped at a light, the heat would go up, and not come back down. Now the temp goes up, but once I start to move, the temp goes down.

Also forgot to mention that I am at 5,000 feet elevation. Don't know if that makes any difference or not.

I know 215 is not considered hot by some folks, but I do not like it that hot.

Thanks for all your advice

Last edited by 66hcs-conv; 08/14/2019 at 12:25 PM..

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Old 08/14/2019, 12:41 PM   #18
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Sounds good. How does it behave at say, 75-80* ambient temperature? At 5,000 feet altitude, do you get that many 90* days?

Dave
'68 GTCS
8R01J140036 2/8/1968
C4/PS/PB/AC
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Old 08/15/2019, 08:57 AM   #19
robert campbell
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Quote:
Originally Posted by 66hcs-conv View Post
Meanwhile back to the subject of this thread/post - what ever this is.

I put washers in the vacuum unit, per the shop manual, and got the timing to stop advancing past 40 degrees at 3500 rpm. The OEM damper is only marked to 40 degrees and after doing a little measuring I think the timing was advancing to 50 degrees before I put the washers in. The advancing is very close to what the shop manual says it should be, maybe advanced a little past spec.

While I didn't use the heat gun, the heat gauge shows a little cooler. And before when I stopped at a light, the heat would go up, and not come back down. Now the temp goes up, but once I start to move, the temp goes down.

Also forgot to mention that I am at 5,000 feet elevation. Don't know if that makes any difference or not.

I know 215 is not considered hot by some folks, but I do not like it that hot.

Thanks for all your advice
So what is your initial timing set at now. I have a jar full of springs and washers for the factory vacuum advance units. What you have done now is you have increased the spring load pressure on the diaphragm so it comes in slower than before. This is fun tuning talk for me. I learn as we all learn!

Rob
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Old 08/15/2019, 11:52 AM   #20
66hcs-conv
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Quote:
Originally Posted by robert campbell View Post
So what is your initial timing set at now. I have a jar full of springs and washers for the factory vacuum advance units. What you have done now is you have increased the spring load pressure on the diaphragm so it comes in slower than before. This is fun tuning talk for me. I learn as we all learn!

Rob
The initial timing is set at 12 degrees advance, without the vacuum line plugged in.

Thanks, Dave

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Old 08/15/2019, 12:27 PM   #21
robert campbell
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I think you have it dialed in!! Hope the heat stays away.

Rob
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Old 08/15/2019, 01:53 PM   #22
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Dave, you forgot to mention the murder rate up there in chi town! I'm nervous just to go to a Cubs game or Navy Pier!

A stampede is louder than a heartbeat!
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