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Old 01-12-2013, 11:55 PM   #1 (permalink)
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91 mach 1 top speed

Does anyone have a ruff idea on top speed of a 91 mach 1 617'? An a 93 mach 1 670 ?

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Old 01-13-2013, 08:52 AM   #2 (permalink)
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i have a 91 mach 1 617cc and on the lakes, with some powder, i have gotten her to 95mph, could probably push 100-105mph at best conditions....but i dont like holding it wide open for to long, and i dont do many top speed runs

as for the 670 i have heard of people topping out at around 110-115mph
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Old 01-13-2013, 09:46 AM   #3 (permalink)
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Thank u
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Old 01-13-2013, 10:02 AM   #4 (permalink)
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I had a new one in 1991. Mine did 109 on radar all stock.

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Old 01-13-2013, 06:48 PM   #5 (permalink)
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95 is pretty accurate.....but mine did 120.....all stock!
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Old 01-13-2013, 07:01 PM   #6 (permalink)
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Yours must have been a mach1X as they were alot faster than the mach1.

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Old 01-13-2013, 07:20 PM   #7 (permalink)
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Mine was a mach1xx....x
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Old 01-21-2013, 12:10 AM   #8 (permalink)
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Re: 91 mach 1 top speed

I have a 93 670 and my brother has a 91 617..... 670 hits 110mph good conditions the 617 right around 100 mph

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Old 01-22-2013, 03:33 PM   #9 (permalink)
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Re: 91 mach 1 top speed

Haha shonda22 ur a loser bro jk didn't realize it was u bro. At least we all no ur big bros 617 with big bore kit beats ur stock 670!!!!!!!!!!!

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Old 01-22-2013, 03:37 PM   #10 (permalink)
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Re: 91 mach 1 top speed

Welcome lil bro what u think of site? Good group of guys on here an ALOT of help full tips an stuff. Small engine guy is from northern nh an knows a lot about are sleds he has a few an has one built with sc10 suspension so sick

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