Quote:
Originally Posted by Douglass
Dan suggested to check this, Have you verified this is correct?
I would be interested to see what you are able to find with the cam timing.
I agree, if you can swap the carb, and it runs great in the hawk I think it's time to move on.
Also, if you are running super rich it can cause the cat to glow.
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He did check it. He found the exhaust valve was way out of spec, but it changed nothing.
One thing I forgot to ask previously was, did the cat glow so much when you tried the Hawk carb on it? Or is that something that has only happened with the original carb?
I ask this because small details like that are important. With so many suggestions and trouble shooting steps being throw around it is easy to miss stuff. Sometimes it helps to just go back to square one, examine all of the evidence, and check off all the boxes. Swapping so much around and not noting changes, or having enough time to notice any changes can lead to confusion.
I think we can rule out ignition as far as the plug and coil are concerned.
We can rule out valve lash.
We can rule out the intakes - they were both swapped around as well.
I know this can be completely frustrating, so lets just put everything back to square one, clear our heads, and work with what we do know.