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What pollution gear makes Riv72GS different to 71GS

March 9 2002 at 7:57 AM
No score for this post		   (Login tom2rok)
 
G'day from 'Downunder',
Can anyone tell me what is or probably is strangling the performance of the 1972 Riviera GS! Are there different camshafts or manifolds? Is the Carb the same?
Thankyou in advance.


Tom Torok, Sydney.
1972 Buick Riviera 455GS
1987 Honda XL600V Transalp

 
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72 455

No score for this post		April 22 2002, 9:10 PM 

Compression was cut from 9:5 to 8:5 in 1972. There was about a 40 Hp drop

 
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