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Re: TSC carb kits come with the wrong needle.

Posted: Mon Dec 10, 2012 9:49 am
by Matt Kirsch
Jim Becker wrote:The TSC seat has a longer threaded end than the other one. I assume the problem here is that it bottoms out before the gasket seals.


That's exactly the problem.

My '53s carb was leaking and it turns out that the needle seat wasn't sealed because the threads are too long. I recognized the seat and needle from a misguided TSC purchase from a few years back.

Luckily I bought a needle and seat from TM a couple years ago for my '67 Cub, but never used it.

The '53 runs GREAT now, but it leaks around the carb inlet...

Re: TSC carb kits come with the wrong needle.

Posted: Mon Dec 10, 2012 10:45 am
by mrfarmboy87
I have used tsc carb kits before and never had a problem with the needle and seat but i have with the rod for the throttle plate, its clocked all wrong. with the throttle part way open its against the idle stop.

Re: TSC carb kits come with the wrong needle.

Posted: Mon Dec 10, 2012 10:50 am
by Matt Kirsch
Next time you have one apart, look REAL close.

With the seat tightened all the way down, there's still about 1/32" of an inch of gap and the gasket is "floating."

Re: TSC carb kits come with the wrong needle.

Posted: Thu Jul 13, 2017 7:50 pm
by B52
Has anyone out there tried this type of needle and seat?
I ordered it from a well-known IH supplier, but it doesn't look the same as the one shown here from TM. Any thoughts, opinions or experiences with this set up?

Re: TSC carb kits come with the wrong needle.

Posted: Thu Jul 13, 2017 8:03 pm
by Don McCombs
Read all the posts above yours in this thread. That is the TSC needle and cage that is being discussed. IMHO, junk. Others have had success. Your results may vary.