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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Auto shortblock in T56 Car....?

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Old Mar 7, 2010 | 09:29 PM
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Default Auto shortblock in T56 Car....?
I am having some vibration issues with my car and was wondering if a LT1 shortblock from an automatic car (impala ss) would be balanced different internally than one that had a T56 flywheel attached to it.
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Old Mar 7, 2010 | 10:28 PM
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the car has broken 2 clutch fork bolts within 5k miles. I have a low mile spec 3 and a low mile autozone flywheel so am confused as to what is wrong.
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Old Mar 7, 2010 | 10:38 PM
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no they should be balanced the same, did you put a pilot bushing in?
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Old Mar 7, 2010 | 11:42 PM
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X2 on the blocks being the same..I would look into the Pilot Bushing.
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Old Mar 8, 2010 | 12:24 AM
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Pilot bushing was installed with the SPEC Clutch and flywheel.
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Old Mar 8, 2010 | 01:31 AM
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Is the Pressure Plate installed correctly and bolted down evenly?
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Old Mar 8, 2010 | 04:41 AM
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Like... Is the x or dot on the spec lined up with the x on the pressure plate.
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Old Mar 8, 2010 | 04:46 PM
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I assume it is bolted down correctly. I used a torque wrench. I am gonna wait till I get everything apart and post pics.
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Old Mar 8, 2010 | 05:03 PM
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If the pilot bearing is it and everything is bolted up correctly it could be a problem with the input shaft of the trans.
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Old Mar 8, 2010 | 05:19 PM
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Do you feel this vibration free revving w/ the clutch engaged or while driving or both?
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Old Mar 9, 2010 | 07:12 AM
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I feel it with free revving and driving.
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