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440 big bore

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Old Sep 22, 2008 | 04:39 PM
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Default 440 big bore

I have a 99 honda 400 with the big bore kit and the stroker kit, so its a 460 now. its pulling my studs out and I was wondering if i could put a stock head and piston on it with the stroker kit. Any ideas, let me know. Thanks!
 
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Old Sep 23, 2008 | 06:33 AM
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Default 440 big bore

Could you just add a thicker base gasket to get rid of some compression our I suppose that a stock head that hasn't been milled would take away a little squeeze too.
 
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Old Sep 23, 2008 | 12:31 PM
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Default 440 big bore

Thanks, i have alot of ?s with this so this helps alot.So with that stroker kit, you can run a stock head and piston, I would still want to run high octane fuel then. And my head bolts are pulling, and suggestions on that to.
 
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Old Sep 23, 2008 | 01:24 PM
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Default 440 big bore

This happens to alot of the 440's due to the higher compression. Most of them have gone to after market bolts installed.
Achieving higher compression on a 4 stroke is usually accomplished with a different piston, not a shaved (milled) head or thinner head gasket like you would do to a 2 stroke.
You most likely need to have after market bolts installed in your case.
 
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Old Sep 24, 2008 | 10:59 AM
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Default 440 big bore

Do you know where i can get those bolts from?
 
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Old Sep 24, 2008 | 01:11 PM
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Default 440 big bore

gtthunder.com
 
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Old Sep 24, 2008 | 02:48 PM
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Default 440 big bore

Is this job capable at home?
 
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Old Sep 24, 2008 | 04:09 PM
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Default 440 big bore

Not sure, you may want to get in touch with GTThunder and ask.
 
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