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Messages - Mayhem#8

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Honda and Clone Engines / Re: New Topic! Harbor Freight 420cc Clone
« on: August 01, 2012, 11:58:14 pm »
I have the 420 preditor engine, it ran good for a while but the weak point is the rod my rebuild has a arc rod in it and is flawless now. My advice is if you get one change the rod out.

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Honda and Clone Engines / Re: 390/420 rod
« on: July 11, 2012, 11:38:14 pm »
Mobile 1 5-30 synthetic was running 28oz
So i ordered arc rod and Crank from ec, removed the balance shaft, shaved the head 25 thousands, polished the ports and combustion chamber, was wondering if the chinese bearings are decent or should i go with ceramics or stainless steel like a abec 7 bearing? or does it really matter. also i have the engine mounted flat maybe is should have a 5 degree motor plate or more, or is it not necessary, any imput regarding anything else i can do to make it live or make some power out of it would be be appreciated

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Honda and Clone Engines / Re: 390/420 rod
« on: July 05, 2012, 01:36:21 am »
I ran it 5800 k and spun the rod bearing (stock rod)an galded the crank up, does anyone make a am crank for the 420?

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Honda and Clone Engines / Re: 390/420 rod
« on: July 03, 2012, 01:45:49 pm »
So if i turn it 6000 rpm will i need a crutch? and can i get rid of the balance shaft?

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Honda and Clone Engines / 390/420 rod
« on: July 03, 2012, 12:43:25 am »
Is the arc 390 rod same size as th hf 420 rod? will it work in a 420 Preditor?

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