MAP Sensor T Fitting

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Apr 1, 2011 | 07:06 PM

1L243

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Laughing Gas

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MAP Sensor T Fitting

Early 1999 F250 7.3 . I am installing a T fitting in the Map sensor line for my Boost gauge. Before I cut the line I would like to know what the ID of the map line is so I can have the proper barbed fitting on hand?? No place for delete plug on this early 99.

Apr 1, 2011 | 07:16 PM

brownie83

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From: Catawissa, Pa

1/4" boost line...

Apr 1, 2011 | 07:20 PM

1L243

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Laughing Gas

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Would that be inside diameter?

Apr 1, 2011 | 07:32 PM

brownie83

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From: Catawissa, Pa

i know the line is 1/4 inch...dont know if that is inside or out though...sorry

Apr 1, 2011 | 07:35 PM

woodnthings

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From: Snohomish, WA

1/4" barbed fittings are what you need.

General rule of thumb.....Hose is almost always sized by Inside Diameter, while pipe or tubing is Outside Diameter.

Apr 1, 2011 | 07:37 PM

brownie83

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From: Catawissa, Pa

thanks for the info...i knew it was 1/4...just didnt know where it was 1/4..lol

Apr 1, 2011 | 07:42 PM

1L243

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Laughing Gas

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Thanks.. This way I wont have to walk to the parts store should I have the wrong size!

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Apr 1, 2011 | 07:48 PM

1L243

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Laughing Gas

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Electronic Sensor Isspro 2

Apr 1, 2011 | 07:51 PM

#10

Riffraff Diesel

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The you will need to make sure the T has one port that is 1/8" NPT threads for the sensor. You probably knew that but just want to make sure to save you a trip.

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Apr 1, 2011 | 08:03 PM

#11

woodnthings

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From: Snohomish, WA

Quote:

Originally Posted by 1L243

Electronic Sensor Isspro 2

Sounds like you would be better off using an Threaded AIH Plug instead of the MAP line to get your boost.

I have a mechanical gauge and it worked out great!

Apr 1, 2011 | 08:09 PM

#12

brownie83

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From: Catawissa, Pa

Quote:

Originally Posted by woodnthings

Sounds like you would be better off using an Threaded AIH Plug instead of the MAP line to get your boost.

I have a mechanical gauge and it worked out great!

OP said no delete plug for an early 99...i didnt know that, but i was taking his word for it...i love my delete plug

Apr 1, 2011 | 08:15 PM

#13

woodnthings

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From: Snohomish, WA

Quote:

Originally Posted by brownie83

OP said no delete plug for an early 99...i didnt know that, but i was taking his word for it...i love my delete plug

Oops.... missed that! With a little drilling and tapping, a 1/8"-27 NPT port could be added for the price of a tap if you didn't already have one.

Apr 1, 2011 | 08:29 PM

#14

1L243

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Laughing Gas

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I wish I could use the delete plug but they left that out of the early 99's.... Looks like a clean setup.. I thought of tapping a new port but figured the MAP line would be less likely to go south....