Sounds like a secret racing mod. Let's hope that they KEEP it a secret!
BillM
> Date: Tue, 25 Jan 2011 21:08:00 -0500
> From: spritenut@comcast.net
> To: Spridgets@autox.team.net
> Subject: [Spridgets] Fouled Plugs
>
> Budget Midget, 1.25 SUs as stock.
> I put maybe 5 miles on the car, I fouled the plugs just setting it up
> and I figured, too rich, too much choke, too much cold starting while
> working on the car.
> So I changed the plugs, went on the maiden voyage over the weekend,
> maybe 5 miles round trip to see what might fall off, or needs attention.
> When I got home it was running rough, 1& 2 cyls were dead.
> Fouled plugs again. Hmmm, lean it out to where it barely runs with new
> plugs and it doesn't run good.
> So tonight I dug deeper, float level was fine, compression perfect, both
> carbs synched but I just couldn't understand why the front carb was way
> rich until I took off the dashpot and piston to see the jet tube about
> 1/4" lower than it should be. WTF? I can not adjust it up, the linkage
> is correct and the rear carb jet is where it should be.
> After a full tear down of the carb and looking at a couple others, I
> discovered the jet was 1/4 inch shorter than the others I had on hand.
> So a quick rebuild of another carb and now the Midget runs absolutely
> perfect. 700 rpm idle and smooth, and lots of guts on the road where it
> had some hesitation before.
> So are there different length .090 jets? This came in the carb, not a
> new one I don't think, it looks real new but like everything else I
> have, it may have been new in 72 and not used. Or, that's why I got the
> carbs or whole car cheap, it had issues like short carb jets :)
> So does anybody know if there are different length carb jets?
> This would need a different carb body or maybe somebody hack sawed it
> off back in the day.
> --
> Frank Clarici
> Toms River, NJ
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