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Re: 140hp heads question, left or right?
Posted by: Early Guy ()
Date: March 18, 2021 08:03PM

Correct me if I'm wrong but I think the vacuum advance is designed to work off the carburetor port not pure manifold vacuum.


Ray Johnson Villa Park IL 63 Spyder Conv. 140 EFI

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Re: 140hp heads question, left or right?
Posted by: scottymac ()
Date: March 22, 2021 11:02PM

Since your engine is going in a dune buggy, you don't need to worry about wiring the thermistor and overheat switch to the appropriate sides.

Scott
Danville, In.
'65 Corsa basket case
'66 Monza coupe
[corvaircenter.com]

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Re: 140hp heads question, left or right?
Posted by: aorange ()
Date: April 04, 2021 08:55AM

I ended up ordering freeze plugs to block the tubes on all intakes in the end ???? it was very useful to be able to throw the question out here and I am hugely grateful for the good advice.

Now, one thing was mentioned in the answers and it has me wondering.. why did someone say that the heads may be "touching" the cylinders? I know that this is a known problem when the combustion chambers are modified but I can't see that there's an interference issue with my setup. I've read that the bottom fin is usually milled off to prevent this problem so I am looking at the clearance between the cylinders fins and the heads and I can see any issues.
Can anyone shed any light on this?


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