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Old 01-26-2011, 07:00 AM   post #1 of 7
Kajun
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Default clearance on 8n compression test

I tried to get my compression checker threaded in on my 8n but the gas tank is in the way....are there any tricks to this? do i need to remove the gas tank and hood to do it?

also which forum do I post question for a 1955+ hundred series ford in? this one or the ford/new holland board?
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Old 01-26-2011, 09:25 AM   post #2 of 7
Steve (Magnolia, TX)
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Default Re: clearance on 8n compression test

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Originally Posted by Kajun View Post
I tried to get my compression checker threaded in on my 8n but the gas tank is in the way....are there any tricks to this? do i need to remove the gas tank and hood to do it?
You shouldn't need to remove the gas tank... assuming that the gas tank is properly installed (we recently had a thread where the poster was having similar problems... only he was just trying to remove his spark plugs... and come to find out, he had either a "non-standard" gas tank... or his tank was improperly installed).

I'm not really sure what to tell you to help... other than to say that it IS possible to get a compression guage in there (assuming that you have a guage with a flex hose? and you're "remoting" the guage?).

Quote:
Originally Posted by Kajun View Post
also which forum do I post question for a 1955+ hundred series ford in? this one or the ford/new holland board?
Yes.
Either one.
The Ford/New Holland forum is really "designed" for the hundred series Fords... and we can move your thread over there, need be.




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Old 01-26-2011, 07:26 PM   post #3 of 7
JohnW
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Default Re: clearance on 8n compression test

a gauge with a flex hose should have no problem at all.
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Old 01-27-2011, 04:39 PM   post #4 of 7
Dan
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Default Re: clearance on 8n compression test

I get my cheapo Harbor Frieght flexible compression tester hose on all the time on my 8Ns with the gas tank in place.

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Old 01-30-2011, 12:05 AM   post #5 of 7
Kajun
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Default Re: clearance on 8n compression test

thanks..well i got my compression hose in there and was able to get a cold comp check...reading from rear to front cyls....90,105,100,80

what do ya think about that 80? i'm hoping after its warmed up and run some seafoam through it that it comes up.
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Old 01-30-2011, 12:14 AM   post #6 of 7
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Default Re: clearance on 8n compression test

Do a wet compression test that will tell you if it's your valves or your rings. If it's your rings seafoam won't do anything. If it is your rings or cylinder it's self maybe some engine restore would work or at least help. Good luck.
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Old 01-30-2011, 05:36 PM   post #7 of 7
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Default Re: clearance on 8n compression test

As said do a wet test, if it comes up then it is rings, if not then it is probably valves.
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