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Heymow - Lawnmower Racing Forum
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490 ohv rod
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Topic: 490 ohv rod (Read 5257 times)
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chavez
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490 ohv rod
«
on:
September 12, 2014, 05:58:46 pm »
I know this is a speculative question, but what would the upper rpm limit be for an oem rod in a ohv 490? I suppose I should ask the same question for the piston as well.
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Travis Callaway
redline
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Re: 490 ohv rod
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Reply #1 on:
September 12, 2014, 07:12:13 pm »
Rod, not too much over stock. Piston will take whatever you throw at it.
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Ed King
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chavez
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Re: 490 ohv rod
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Reply #2 on:
September 12, 2014, 10:55:02 pm »
Thanks, what I was afraid of. Not a long life at 5k then.....lol
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Travis Callaway
chavez
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Re: 490 ohv rod
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Reply #3 on:
October 01, 2014, 01:24:19 pm »
Would the rod from a tec twin be any stronger?
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Travis Callaway
redline
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Re: 490 ohv rod
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Reply #4 on:
October 01, 2014, 01:34:17 pm »
As in stock rod?
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Ed King
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chavez
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Re: 490 ohv rod
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Reply #5 on:
October 01, 2014, 03:24:34 pm »
Yes, a stock twin rod. Didn't know if they were any better than the rod in a single.
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Travis Callaway
berthyd
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Re: 490 ohv rod
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Reply #6 on:
October 01, 2014, 03:54:08 pm »
Twin and 490 rods are the same except the twin uses a smaller wrist pin.
Bert
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Gary Busey and Rick James both used to live in my shop. Redline stole them.
chavez
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Re: 490 ohv rod
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Reply #7 on:
October 01, 2014, 04:01:52 pm »
Ok, didn't know if it was the same casting with a smaller wrist pin, or possibly heavier. Thanks Bert
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Travis Callaway
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Topic:
490 ohv rod
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