Electric WP Install/Mechanical Shaft Removal
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Joined: Jun 2008
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From: Decatur Alabama
Electric WP Install/Mechanical Shaft Removal
Hey all, Is it imperative to remove the old mechanical wp drive shaft when installing an electric pump? I just got done buttoning up the timing cover and oil pan when I stumbled on a pump. I sure would like to avoid taking all that stuff off again. Thanks. 
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Joined: Jun 2008
Posts: 78
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From: Decatur Alabama
Burning Brakes
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From: Portsmouth Virginia 396LT4 435RWHP/400RWTQ Best so far 11.26 @ 123mph
Jon,
You should at least press the gear off the shaft if your going to use the shaft to plug the hole. You dont ever want to run an unloaded gear that just freewheels and that is only being supported on one end by a roller bearing. The unloaded gear can chatter and chafe the teeth over time and possibly break the gear and/or this could wear the block end roller bearing excessively without being supported on both ends causing failure also. I think some people are probably running the gear unloaded but I personally wouldn't advise it. Your call.
Rick
You should at least press the gear off the shaft if your going to use the shaft to plug the hole. You dont ever want to run an unloaded gear that just freewheels and that is only being supported on one end by a roller bearing. The unloaded gear can chatter and chafe the teeth over time and possibly break the gear and/or this could wear the block end roller bearing excessively without being supported on both ends causing failure also. I think some people are probably running the gear unloaded but I personally wouldn't advise it. Your call.
Rick
