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Starting issue?
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KAmes
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Joined: February 16, 2014
Posts: 876
Location: Illinois
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PostPosted: Thu Apr 05, 2018 10:27 am    Post subject: Re: Starting issue? Reply with quote

kenj06 wrote:
Has anyone tried these insulators to resolve the issue?
https://www.thesamba.com/vw/classifieds/detail.php?id=168918i7


I tried them. In my case they slowed down the carb heating by a number of minutes, but they still reached gas boiling temperature. You can get them thicker, like 1/2 inch thick, but I don't know if it would help or not. My linkage won't allow for it.

Edit: the ones I tried weren't those specifically, but similar.
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Wildthings
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Joined: March 13, 2005
Posts: 50332

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PostPosted: Thu Apr 05, 2018 10:53 am    Post subject: Re: Starting issue? Reply with quote

KAmes wrote:
kenj06 wrote:
Has anyone tried these insulators to resolve the issue?
https://www.thesamba.com/vw/classifieds/detail.php?id=168918i7


I tried them. In my case they slowed down the carb heating by a number of minutes, but they still reached gas boiling temperature. You can get them thicker, like 1/2 inch thick, but I don't know if it would help or not. My linkage won't allow for it.

Edit: the ones I tried weren't those specifically, but similar.


Thicker helps.

One could also add a radiant heat shield under the carb and/or over the intake manifold. Similar setups were used on mid '70s vehicles.
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KAmes
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Joined: February 16, 2014
Posts: 876
Location: Illinois
KAmes is offline 

PostPosted: Thu Apr 05, 2018 12:02 pm    Post subject: Re: Starting issue? Reply with quote

Wildthings wrote:
KAmes wrote:
kenj06 wrote:
Has anyone tried these insulators to resolve the issue?
https://www.thesamba.com/vw/classifieds/detail.php?id=168918i7


I tried them. In my case they slowed down the carb heating by a number of minutes, but they still reached gas boiling temperature. You can get them thicker, like 1/2 inch thick, but I don't know if it would help or not. My linkage won't allow for it.

Edit: the ones I tried weren't those specifically, but similar.


Thicker helps.

One could also add a radiant heat shield under the carb and/or over the intake manifold. Similar setups were used on mid '70s vehicles.


I read something about heat shields a while back on a different forum regarding trouble on ac cobras, I'd forgotten about it. I just bought a new metal shear, I might try that.
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