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LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Test port valve size?

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Old Nov 29, 2003 | 11:06 AM
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1FastRedZ
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From: Greenville,SC
Test port valve size?
Is the fuel pressure shrader(sp?) valve the same size as one in a tire?
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Old Nov 29, 2003 | 11:12 AM
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From: Indianola, MS
It's a little bigger.
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Old Nov 29, 2003 | 12:17 PM
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formula383
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I read on here before that you could use the valve out of the spare tire, so it should be tha same as a tire is that is correct.
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Old Nov 29, 2003 | 12:41 PM
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According to a post I saw by Injuneer, the valve is a -4AN.
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Old Nov 29, 2003 | 12:50 PM
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AsianSensation
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From: Indianola, MS
Originally posted by formula383
I read on here before that you could use the valve out of the spare tire, so it should be tha same as a tire is that is correct.
The cap on the fuel rail schrader valve won't fit on the wheel schrader valve.
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Old Nov 29, 2003 | 01:01 PM
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formula383
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The cap won't fit, btu I read on here that the schrader valve will fit in the test port.
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Old Nov 29, 2003 | 01:16 PM
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AsianSensation
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From: Indianola, MS
You can remove the fuel rail schrader valve with a tire valve core tool. That doesn't necessarily mean the two port size are the same size. Dunno, maybe I'm dumb.
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Old Nov 29, 2003 | 06:53 PM
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gb95zconv
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From: Woodstock,Georgia
Originally posted by AsianSensation
It's a little bigger.
This is true.....I tried a standard tire valve once....too small.
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