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Old 06-02-2004, 08:53 AM   #1
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Default Rex 421p

DO anyone know anything about the REX 421P motor?
Two guys that i knew both of the blew there motors one of the had the (rex) and the other one had the 421P. (tops)
They both cracked or should i say split there sleeves right in half.
I just opened and started to break mines in. And i dont want that to happen to me.....
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Old 06-02-2004, 10:05 AM   #2
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I've had no problems with mine.
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Old 06-02-2004, 10:06 AM   #3
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Default Re: Rex 421p

Quote:
Originally posted by GUINT1
DO anyone know anything about the REX 421P motor?
Two guys that i knew both of the blew there motors one of the had the (rex) and the other one had the 421P. (tops)
They both cracked or should i say split there sleeves right in half.
I just opened and started to break mines in. And i dont want that to happen to me.....
I think you will have better respond if you take it to 1/8 onroad thread!
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Old 06-02-2004, 04:51 PM   #4
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Default Ah10

please post the link to 1/8 onroad thread, thx
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Old 06-02-2004, 05:02 PM   #5
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Default RE: REX421P

All Novarossi Rex,Top,Rx 421p is the same. The new 321p (abc) type will replace 421p due to high wear on the alun sleeve.
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