Compression Test Harbor Frt Kit ??
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Tuned
Joined: Apr 2004
Posts: 259
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Compression Test Harbor Frt Kit ??
BigAlsPSD: I found this thread on building a compression test kit you posted in 4/11 using a the Harbor Frt compression kit # 93644.
https://www.ford-trucks.com/forums/1...sion-test.html
Post #8
I purchased the kit this afternoon and found a 10MM x 1.0M adapter that looks almost like the IDI glow plug with a quick connect fitting on it to fastened to the right angle fitting on the rubber hose.
Will this adapter not work? It does have a valve core stem in the cylinder end that I would think would need to be removed to get a valid reading, unless I don't understand how it works.
Can this adapter be used or will I need to obtain the parts you itemize in the above link.
I know I am posting on this forum even though I have a 89 F250, and soon to be getting an 89 F350 that I will want to do a compression test before I start dismantling this 89 F350.
Would appreciate your feedback as I have never attempted a diesel compression test, only gasser's.
Thanks, hugger94
https://www.ford-trucks.com/forums/1...sion-test.html
Post #8
I purchased the kit this afternoon and found a 10MM x 1.0M adapter that looks almost like the IDI glow plug with a quick connect fitting on it to fastened to the right angle fitting on the rubber hose.
Will this adapter not work? It does have a valve core stem in the cylinder end that I would think would need to be removed to get a valid reading, unless I don't understand how it works.
Can this adapter be used or will I need to obtain the parts you itemize in the above link.
I know I am posting on this forum even though I have a 89 F250, and soon to be getting an 89 F350 that I will want to do a compression test before I start dismantling this 89 F350.
Would appreciate your feedback as I have never attempted a diesel compression test, only gasser's.
Thanks, hugger94
Laughing Gas
Joined: Aug 2012
Posts: 915
Likes: 3
From: Palatka, FL
That adapter hits the rocker arm/hold down bolts. That is why you need to get a 10mmx1mm fuel boss male to 1/8 inch npt female, A grease whip/hose with 1/8 inch npt males on each end because it is flexible.....it will work and not hit rocker arms, a 1/8 npt coupling(1/8 inch npt female on each end), then you will be able to screw your 1/8 inch npt male fitting with quick connect on the other end to complete the set up. You will have to find the fittings at a hose/fitting supply house like Parker fluid air or a hose shop that also sells fittings. You may need to purchase a 1/8 inch female coupling from lowes or home depot or some hardware store along with a small tube of rector seal #5 soft set for all of the fittings except the fitting that screws into the glow plug hole.
I hope all of this makes sense.
Dwayne
I hope all of this makes sense.
Dwayne
Post Fiend
Joined: May 2009
Posts: 5,470
Likes: 3
From: Pea Ridge, AR
BigAlsPSD: I found this thread on building a compression test kit you posted in 4/11 using a the Harbor Frt compression kit # 93644.
https://www.ford-trucks.com/forums/1...sion-test.html
Post #8
I purchased the kit this afternoon and found a 10MM x 1.0M adapter that looks almost like the IDI glow plug with a quick connect fitting on it to fastened to the right angle fitting on the rubber hose.
Will this adapter not work? It does have a valve core stem in the cylinder end that I would think would need to be removed to get a valid reading, unless I don't understand how it works.
Can this adapter be used or will I need to obtain the parts you itemize in the above link.
I know I am posting on this forum even though I have a 89 F250, and soon to be getting an 89 F350 that I will want to do a compression test before I start dismantling this 89 F350.
Would appreciate your feedback as I have never attempted a diesel compression test, only gasser's.
Thanks, hugger94
https://www.ford-trucks.com/forums/1...sion-test.html
Post #8
I purchased the kit this afternoon and found a 10MM x 1.0M adapter that looks almost like the IDI glow plug with a quick connect fitting on it to fastened to the right angle fitting on the rubber hose.
Will this adapter not work? It does have a valve core stem in the cylinder end that I would think would need to be removed to get a valid reading, unless I don't understand how it works.
Can this adapter be used or will I need to obtain the parts you itemize in the above link.
I know I am posting on this forum even though I have a 89 F250, and soon to be getting an 89 F350 that I will want to do a compression test before I start dismantling this 89 F350.
Would appreciate your feedback as I have never attempted a diesel compression test, only gasser's.
Thanks, hugger94
The valve core is to hold the pressure in the gauge so that the pressure can be viewed, otherwise you would have to stop the piston directly at TDC on each one, or carefully view the pressure go up and down.
Thread Starter
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Tuned
Joined: Apr 2004
Posts: 259
Likes: 5
Thanks for the info.... guess I should have engaged my brain instead of using my fingers on the keyboard. I will have to pass it of to CRS.
I will be using this kit on a 89 7.3L IDI w/Ats turbo.
Appreciate the feedback, hugger94
I will be using this kit on a 89 7.3L IDI w/Ats turbo.
Appreciate the feedback, hugger94
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MONAVIERONJON
1994.5 - 1997 7.3L Power Stroke Diesel
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Jan 27, 2010 10:36 AM
