C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

C-beam Measurement

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Old Apr 3, 2006 | 11:55 AM
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Default C-beam Measurement

The rear end of my 90 vette is hanging ---jack stands are on the frame. Should I jack it up when I install the c-beam so it is like it would be when its on the ground?? Do people really measure the beam to body???

Last edited by mudslide; Apr 3, 2006 at 01:44 PM.
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Old Apr 3, 2006 | 01:47 PM
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thanks for any help I can get
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Old Apr 3, 2006 | 01:59 PM
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The batwing locates the diff. The purpose of the "C" beam is to restrain the nose of the diff from rising under the torque of the engine. It is possible that you may have to jack on the "C" beam or the back of the transmission to get everything to line up.

RACE ON!!!
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Old Apr 3, 2006 | 09:20 PM
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I read the manual and to get the proper C beam to body measurement I had to lift the rear of the trans before tightening the bolts.
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