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Join Date: Jul 2002
Location: Santa Clarita, CA
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Thermo Valve = $$$

It seems that I busted this guy durring my motor drop. I just finished finding the part (thermo valve) in the Pelican store and it is over 100.00 bucks. OUCH!!!! While this is probably a great price for the item I just am having a hard time spending that amount for a small plastic part. Thes kind of things make me want to switch to webers and just deal with the SMOG police.

Is there a way to bypass or remove this from the CIS system? What are the pros and cons?



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Simon Mestas
'78SC Coupe
My Pelican Page | AlfaBB - Alfa Romeo Forum
Old 05-28-2003, 10:20 PM
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used parts...I am sure you can get one off an old CIS for 20.00
Old 05-28-2003, 11:08 PM
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I'm running without a thermovalve, so it can be done. Without the thermovalve in place, the WUR recieves engine vacuum as soon as the engine starts. This causes the cold running mixture to be a bit too lean. I adjusted my WUR's cold start mixture a little richer then spec, and my cold start is fine. Just add a vacuum line connector in place of the thermovalve so there are no vacuum leaks.

Or buy a used one...

Rob
1980sc euro
Old 05-29-2003, 07:28 AM
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Thanks for the replies!

I think I'll just go without untill I can find an affordable replacement.
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Simon Mestas
'78SC Coupe
My Pelican Page | AlfaBB - Alfa Romeo Forum
Old 05-29-2003, 07:59 AM
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Is the 1980 SC [USA] supposed to have a thermovalve because mine doesn't?
Old 05-29-2003, 08:51 AM
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Quote:
Is the 1980 SC [USA] supposed to have a thermovalve because mine doesn't?
No. Only K-basic CIS. As far as SC's, that's USA '78-'79, and euro '78-'83.

Rob
1980sc euro

Old 05-29-2003, 09:21 AM
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