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Author Topic: 1968 Z/28 GM PART NUMBER MUNCIE ID TAG  (Read 6422 times)

john302

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1968 Z/28 GM PART NUMBER MUNCIE ID TAG
« on: December 28, 2007, 12:34:37 AM »
WHAT IS THE GM PART NUMBER ON THE LITTLE METAL TRANS TAG FOR 68 Z/28  WITH A M20 TRANS?  ALSO WHAT IS IT FOR A 68Z WITH A M21 ?   THE ASSEMBLY MANUAL SHOWS THE PART NUMBERS ,BUT IT IS CONFUSING.  ANY HELP OUT THERE? 
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bertfam

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Re: 1968 Z/28 GM PART NUMBER MUNCIE ID TAG
« Reply #1 on: December 28, 2007, 12:48:10 AM »
John, there are a few different applications dependent on the rear axle ratio and with or without posi. What ratio are you looking at?

Ed
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john302

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Re: 1968 Z/28 GM PART NUMBER MUNCIE ID TAG
« Reply #2 on: December 28, 2007, 01:14:18 AM »
THE RATIOS ARE BU 373 POSI AND BV 410 POSI.  1968 Z/28
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john302

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Re: 1968 Z/28 GM PART NUMBER MUNCIE ID TAG
« Reply #3 on: December 28, 2007, 01:16:31 AM »
WHAT WOULD THE PART NUMBERS BE FOR A 373 POSI M20 AND 373 POSI M21 AND ALSO A 410 POSI M20 AND M21 ? THANKS JOHN
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bertfam

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Re: 1968 Z/28 GM PART NUMBER MUNCIE ID TAG
« Reply #4 on: December 28, 2007, 02:26:59 AM »
The M20 would be 3915079 for both the 3.73 and the 4.10

The M21 would be 3915085 for both the 3.73 and the 4.10

Ed
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