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3W 70

Old 09-27-2011, 03:36 PM
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WhiteRook
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Default 3W 70

GOT an older late 90s 3W 70 Comming my way . is there anything i should be on the look out for as far as
any reliability issues ? its got the tillotston carb and the engine is new and been sitting for about 14 years, the owner kept oil
in the cylinder and says it turns over perfect . looks good in the pictures.


also where can you get standoffs for a 3W ? They gotta be 3.500 inches long.


thanks RCU
Old 09-27-2011, 09:35 PM
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MetallicaJunkie
 
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Default RE: 3W 70

is this a twin? i used to have one...24x8 xoar was by fave prop a single might like a 24x10 better


psp mfg sells stand-offs http://www.pspmfg.com/RCStandOffsMotorSpacers.html so does hobbyking.com
Old 09-28-2011, 05:25 AM
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Default RE: 3W 70

get a carb kit, and you might invest in a RCEXL ignition, due to known issues with some of the older 3w ignitions. Please do NOT buy machined aluminum standoffs for this engine in such a long length. Build them yourself from hardwood square or round stock. I prefer square stock, so they can then be easily boxed for added strength.
Old 09-28-2011, 06:55 AM
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Antique
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Default RE: 3W 70

The very early twin 70 had 4 separate weak legs for mounting, just the the early 60 single...Best to bolt the engine to an aluminum plate, then to the firewall..Later 70 twins had a stronger casting..We raced these before we changed to the GT80...
Old 09-28-2011, 03:13 PM
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WhiteRook
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Default RE: 3W 70

NO, ITS not a twin
Old 09-28-2011, 03:30 PM
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WhiteRook
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Default RE: 3W 70

its a single , yea ive heard standoffs will give off alot of vibration. boxing it in might be a good idea , any pictures
of ways to do it would be apreciated
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