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Old 03-25-2009, 10:32 AM   #1
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Default 8 rtr w/ mach 427, removing roto start for bump start

Hey guys, just needed to know if there is a way to change the backplate on the 427 so I can put a normal motor mount on it and use a bump start. The motor stock is sitting on a really tall mount to give the roto start back plate clearance. Any help is appreciated.
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Old 03-25-2009, 10:35 AM   #2
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Hey guys, just needed to know if there is a way to change the backplate on the 427 so I can put a normal motor mount on it and use a bump start. The motor stock is sitting on a really tall mount to give the roto start back plate clearance. Any help is appreciated.
Sure is. Its called the sportwerks pull start eliminator backplate. It is a direct bolt on to the mach. It even has a ring machined into it so you don't have to cut the starter pin off of the crank. Just bolt it on, get yourself some kit motor monts and you should be bump start ready.

http://www.amainhobbies.com/product_...oducts_id/4331

http://www.amainhobbies.com/product_...oducts_id/9001
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Old 03-25-2009, 10:38 AM   #3
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yeah what jammin said...

anyone know how many rpms you loose with a roto/bump start on your motor creating drag?

Alex
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Old 03-25-2009, 10:39 AM   #4
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out of everything ive had so far the bump start has been the easiest... if i could put one on my savage i think i would...

Alex
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Old 03-25-2009, 10:41 AM   #5
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Sure is. Its called the sportwerks pull start eliminator backplate. It is a direct bolt on to the mach. It even has a ring machined into it so you don't have to cut the starter pin off of the crank. Just bolt it on, get yourself some kit motor monts and you should be bump start ready.

http://www.amainhobbies.com/product_...oducts_id/4331

http://www.amainhobbies.com/product_...oducts_id/9001

Thanks homie, everyone I have asked is like theres no way unless you cut the pin off the back. I didn't really want to do that. Thanks a TON
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Old 03-25-2009, 10:42 AM   #6
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I ran that eliminator plate on my Sportwerks .26 V2 (same motor essentially... great motors by the way!) Best $12 you can spend. You'll need "regular" motor mounts though if your sit too high... and of course a starter box and battery.
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Old 03-25-2009, 10:50 AM   #7
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I ran that eliminator plate on my Sportwerks .26 V2 (same motor essentially... great motors by the way!) Best $12 you can spend. You'll need "regular" motor mounts though if your sit too high... and of course a starter box and battery.
Yeah I already baught the starter box and battery, thats how I found out about the issue with the fly wheel being to high to use the bump! It reall sucks being at the track trying to find the whole for the roto start!!!
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Old 03-25-2009, 11:10 AM   #8
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Originally Posted by Hitman Racing 1 View Post
Hey guys, just needed to know if there is a way to change the backplate on the 427 so I can put a normal motor mount on it and use a bump start. The motor stock is sitting on a really tall mount to give the roto start back plate clearance. Any help is appreciated.
I changed my backplate in 5 min on my losi 8 rtr with the P/S Eliminator Back Plate part # SWK8057 and while i was at it since i needed to change motor mounts to lower the motor i went to the King Headz Team Losi 8ight/8ight-T Extended EZ Change Motor Mount part # KHZ-KP-215 which makes it a snap to remove motor to inspect clutch bearings etc...
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