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Discussion Starter · #1 ·
I have a1972 Chapparral Firebird SS with the Hirth 650 motor, It came with 2 belts one is wider than the other and sits kinda high in the secondary engages way too low there are no # on either one and I cant find the specs anywhere for them Anyone help me out?? thanx
 

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I pulled an old Central Snowmobile catalog to get this info. The 72-74 Firebird's (except single cyl) use a Dayco 1089. The specs on this belt are 42 3/4 long and 1 1/4 inch wide. Hopefully this helps.

By the way, that should be a pretty valuable sled. The engine alone is probably worth a lot of money.
 

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Discussion Starter · #3 ·
thanks, I will check it out.
 

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Discussion Starter · #4 ·
I got some shots at the show, hope they come out
 

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Discussion Starter · #5 ·
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