LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

improperly installed balancer - can this cause a problem?

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Old Mar 18, 2003 | 12:59 PM
  #1  
Draco's Avatar
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improperly installed balancer - can this cause a problem?

Hi guys.... some of you might have seen my threads about getting my 383 started....

I was wondering if installing a fluidampner improperly could cause a problem with the rotation of the assembly.

Not knowing any better, we used a block of wood and a sledge to get it on. it is a 1 piece hub/balancer with a keyed hub. we smacked it on with moderate force until it was fully on. I have since been told that this is not the way to do it, so please spare me the grief of pointing out how bad this was - my question is can this hurt the engine's ability to turn over? It is difficult to turn over by hand, even with all spark plugs removed and no compression.
Old Mar 18, 2003 | 01:25 PM
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Hmmmm, could be if while pounding it on messed up a bearing, A4 or M6, is it completely in neutral when you turn it over manually? Good luck.
Old Mar 18, 2003 | 01:28 PM
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its an m6 and it is in neutral...
Old Mar 18, 2003 | 01:31 PM
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Weird, did you turn over the rotating assembly before you put it in the car, by hand? Im sure youve thought about the starter being bad, or battery. Does it make any weird noises while cranking?
Old Mar 18, 2003 | 01:35 PM
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Originally posted by jonaddis84
Weird, did you turn over the rotating assembly before you put it in the car, by hand? Im sure youve thought about the starter being bad, or battery. Does it make any weird noises while cranking?
the starter is fine... it worked great on the original motor. when i try to crank it under compression i get a few good cranks then the starter nearly stalls... then a few more cranks and another near stall.... the battery was fully charged and we were trying to jumpstart it as well to make sure that isn't the problem.

When we removed all the plugs and turned it by hand (we needed about 50 lb/ft to turn it with zero compression) we heard a squeeking/rubbing noise from inside the engine for about 1/4 of a 360 degree turn.
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