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Old 09-26-2017, 09:16 PM   #1
Mark Yacavone
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Default Re: Q Jet carb question

Lew is correct. The Tomco deal is a disc thing.
Here is the original, I believe.
Called a Grose-Jet

https://www.google.com/search?q=Gros...w=1176&bih=590
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Old 09-26-2017, 11:59 PM   #2
Bob Mulry
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Default Re: Q Jet carb question

Just a heads up........

The larger the diameter of the needle and seat orifice, the lower the fuel level should be

The larger area needs more pressure applied to the needle to seal it against the seat...

You apply more pressure by lowering the float level..

Just sayin'
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Old 09-27-2017, 11:25 AM   #3
Mike Pearson
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Default Re: Q Jet carb question

Quote:
Originally Posted by Mark Yacavone View Post
Lew is correct. The Tomco deal is a disc thing.
Here is the original, I believe.
Called a Grose-Jet

https://www.google.com/search?q=Gros...w=1176&bih=590
Mark, You are correct. My carb has the Grose Jet valve. Pretty cool piece.
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Old 09-29-2017, 02:48 PM   #4
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Default Re: Q Jet carb question

The Grose Jet allows you to run a higher fuel pressure without flooding the carburetor.
Have used them for many years in all kinds of carburetors and they work great.
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