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Old 08-31-2007, 08:38 PM   #76
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i think for alot of us that read this thread we would not feel the difference but i think the ramp just helps the flow of the air-fuel through the crank,

i would have thought the crf crank would be really good but i dont see this motor being that much or at all faster than any other motor.

and i just thought my ninja dosent have a ramp in it and its totally fast,but one of my novarossi motors has it and its slower.
so i dont know.
i would just run the motor the way it came and thats it.
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Old 08-31-2007, 09:57 PM   #77
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My rebuilt stock TZ is the slowest motor I have right now. It runs well and still has plenty of pinch, but it has outgrown it's usefulness. Rather than just putting it up on the shelf to collect dust, I thought I might try the ramp and a few other things to see if I could squeeze a little more life out of it.
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Old 09-01-2007, 04:36 AM   #78
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Quote:
Originally Posted by rmdhawaii View Post
My rebuilt stock TZ is the slowest motor I have right now. It runs well and still has plenty of pinch, but it has outgrown it's usefulness. Rather than just putting it up on the shelf to collect dust, I thought I might try the ramp and a few other things to see if I could squeeze a little more life out of it.
ahhh yes that would be a cool thing to do,then if it worked you could try it on another. and yes it must be fun to do.
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Old 10-30-2009, 10:16 PM   #79
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Hey guys, I am looking for Threebond 1211. Where can I get it locally???

Like does Pepboys/Western Auto carry it? Or where can I start to look before heading to ebay/internet?
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Old 10-31-2009, 06:06 AM   #80
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try your local cycle or atv shop.
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Old 11-01-2009, 09:48 AM   #81
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I see that no one has an answer for the original
question. Who makes the red crank filler, that the
engine manufactures use, and where can I purchase
the product? Yes, the Threebond 1211 is great stuff,
but why is the red filler such a secret, that no really
has any knowledge or info on it?
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Old 11-01-2009, 06:27 PM   #82
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i believe its the same material just dyed a different color,
if you want to get the real mccoy rich reid has it below.
http://www.reidrc.com/news.htm
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Old 12-13-2009, 01:54 PM   #83
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Questions??

I have a crankshaft that during a race lost its red putty making a mess (maybe it was too lean). I already bought the red putty... how do I apply it?? should I prepare the crankshft surface before applying it with a couple of scratches so that the putty has some place to grip at?? do you need to level the putty at any certain level┐?┐┐ what amount should be applied???

thanks for your help,,,
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Old 01-20-2010, 07:23 PM   #84
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So has any one ever seen the long term use of putting jb weld as a crank filler?
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Old 01-21-2010, 12:36 AM   #85
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Quote:
Originally Posted by wfo View Post
So has any one ever seen the long term use of putting jb weld as a crank filler?
JB Weld is an epoxy based material.
Our fuel is alcohol based.

Expoxy and alcohol = Big No No
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Old 01-22-2010, 05:11 AM   #86
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Quote:
Originally Posted by stefan View Post
JB Weld is an epoxy based material.
Our fuel is alcohol based.

Expoxy and alcohol = Big No No
back in the days.... I only used JB weld on my 12 engines. The longest one I used may be 1 year old, approx 1000laps on the engine and still good.

There is a japanese company makes them, ShinEtsu but I heard you need to buy large qty. Some guys do sell individual tube on the internet
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Old 01-22-2010, 07:29 AM   #87
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if your not drilling your crank out, deeper not bigger to reduce weight then whuts the point,, buy the why, you need a lathe or a good drill press to do the drilling, some cranks are case harden..
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Old 01-22-2010, 10:00 AM   #88
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Quote:
Originally Posted by rodmanrc View Post
if your not drilling your crank out, deeper not bigger to reduce weight then whuts the point,, buy the why, you need a lathe or a good drill press to do the drilling, some cranks are case harden..
Agreed. The only time I had to do it was back in the day when I got a Nova .12 motor that had the drilled crank, but no ramp. I ramped it myself and all was good.
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Old 01-27-2010, 02:11 PM   #89
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Hey guys thought I would add my two cents here, the putty is about putting volume back into the engine as well as filling the hole after lightening up the crankshaft, also one key part which does improve performance is straightening the flow path to the engine.

A straight shot into the engine as opposed to a 80-90 degree turn will always flow better
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