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Old Dec 3, 2009 | 08:32 AM
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bfbiker
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compression

Ok heres the deal.I have a 91 5.0 that was changed to fit my 85 f150(new head gaskets timiming chain gasket from oil pan up)droped it in my 85 run like a top but the rebuilt trans didnt work pulled them both redid trans still no 2-3 shift(pulled motor trans and parting 85 out)
went to do a compression ck and 30LBs (this truck ran like a raped ape no smoke no leaks oil press 50 normal water temp
mybe the tester
went got a new one and still no compression ,so I tryed it on a nother 5.0 I have that I know is good still nothing
? is what did I do wrong or can it be lecking back thur the injeaterrs
I have this up for sale so I need to show the compression is good
Thanks guys and gals
 
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Old Dec 3, 2009 | 08:53 AM
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From: Charles Town, W bygod Va
To check compression, remove spark plugs, screw in comp tester and crank the engine over 3-4 revolutions, then read gauge
 
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Old Dec 4, 2009 | 12:15 AM
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The throttle should be held wide open for the compression test also.
 
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