Posted by buickanddeere on May 14, 2009 at 05:52:46 from (216.183.134.243):
In Reply to: John deere 4020 posted by mark in HC KY on May 13, 2009 at 07:56:25:
It could be the rest of the "rebuild" was a "cobb job" as the fuel pump addition. If the cylinder head work consisted of grinding the origional valves and seats then doing nothing else. The engine isn't going to start worth beans. They just took away the compression required for starting.The rest of the "rebuild" may have consited of just rings and bearings too. If that fuel pump is wired to run when ever the key is turn on. Then leave the key in the on position for 5 second sbefore cranking the engine. Here is a question that not a single person has answered in 7+ years of asking. What is the voltage at the starter motor while cranking? This will tell use much of what we need to know. If there isn't a hydraulic pump detroker. Spend the price of a a pack of smokes and install a detroker.
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