Quote:
Originally Posted by patrickt
And there are two easy ways to check for vacuum leaks. First, just get a mirror and angle it so you can see under the base of the carb and look to see if the port tubes have lost their little black rubber cap. The second way is to have your engine idling and use a butane torch that is not lit to spray gas around the base of the carb while it's idling to see if it revs up by sucking the gas in. But for now, let's just stick with the first way.
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Ugg. Checking the vacuum tube ports under the base of the carb would have been a LOT easier before I installed the turkey pan. I just tried to squeeze my phone in there to snap a few pix, but no joy.
In an attempt to eliminate the carb as the likely culprit here, I sent the carb out earlier this Spring to be rebuilt by Dave Bergeron. Just re-installed it this past weekend. Which of course does not guarantee that the ports are plugged as they should be.
But then again, do I want to try the butane approach when I had a backfire in the carb?
If I need to pull the carb to confirm the ports are plugged as they should be, then so be it.