[T2] Running rich in #2 only

[Jason Laster]

Any chance that #2 is not so much running rich, but rather has a weak
spark?  Perhaps via rotor cap or wire?  Kinda strange either way

Jason

Jason

On Sun, Sep 3, 2017 at 6:34 PM, Christopher Slaymaker <slayskridge at me.com>
wrote:

> This has been going on for some time.  My bus has had declining MPG.
>
> I installed this mexi-motor back in 2006. It seems the MPG took a hit when
> I installed a stock muffler in 2011. Prior to that, I had a Thunderbird
> extractor.
>
> In any case, ever since the MPG declined from 18 to 14, the #2 spark plug
> has always been black  while the others have been kinda mocha colored
> (except #3, which typically runs hotter and is lighter colored).
>
> Now I’m starting to go through more oil between changes, and I figure that
> #2 cylinder is probably the reason (the rings are taking a beating with
> excess fuel in that cylinder).
>
> I will soon be doing a top end rebuild (70,000 miles), and I think a new
> center manifold piece may be in order (one of the risers has a hole burnt
> in it which I have patched with a hose clamp).
>
> How does only one cylinder burn rich?
>
> Chris Slaymaker
> 1971 Westy “Lurch”
> 1971 Squareback “Foster”
>
> “At least I’m enjoying the ride"
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