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What size taps do you need for direct port...

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Old 10-03-2005, 05:51 PM
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Default What size taps do you need for direct port...

What are the 2 tap sizes you need for a direct port kit?
1/8" NPT - is this the one that comes with the kit?
1/4" NPT - tap size for the -4 fittings that go into the fuel rails or dist blocks?
Phil
Old 10-03-2005, 06:40 PM
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1/16" NPT and 1/8" NPT are generally the most commonly used sizes. 1/16" NPT is the size of basically every nozzle in existence with the EXCEPTION of the NX Shark Nozzles.
Old 10-03-2005, 06:49 PM
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None if you use our direct port nozzle kit! they plug into your fuel injector ports ...

i couldn't pass lol
Old 10-04-2005, 07:03 AM
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Originally Posted by Phil99vette
What are the 2 tap sizes you need for a direct port kit?
1/8" NPT - is this the one that comes with the kit?
1/4" NPT - tap size for the -4 fittings that go into the fuel rails or dist blocks?
Phil
dyno tune sells the propor tap. check out there web site.
Old 10-04-2005, 09:50 AM
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We also offer the taps needed. However sears or harbor freight will have them.

Shark Nozzles are 1/8 NPT
Pirahna Nozzles are 1/16 NPT
The rail Fittings that come standard with the rail upgrade are 5/16x24 (standard bolt tap)

Dave
Old 10-04-2005, 09:51 AM
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The ends of the rail are 1/8npt x 1/8npt for nitrous and small fuels, and 1/npt x 1/4npt for big fuels, but the rails are tapped 1/8npt for fittings and 1/16 npt for the plugs in the ends of the rails..




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