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New Engines: 557 or 572

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Old 10-17-2006, 07:46 PM
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Default Re: New Engines: 557 or 572

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Originally Posted by Strip Poker 388
Your saying a the bore and stroke the same???
572 4.5 X 4.5
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Old 10-17-2006, 07:48 PM
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Default Re: New Engines: 557 or 572

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Originally Posted by Tapa11
Are the solid rollers really worth the trouble?
what trouble, once they are broken in and adjusted once nothing should change if it does, you will know you have a problem before the big bang happens
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Old 10-17-2006, 07:51 PM
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Default Re: New Engines: 557 or 572

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Originally Posted by WARPARTY36
Just go 1075's and forgeettaboutit!
yeah forget about it...top end every 50/60 hours, total rebuild every 100/110 hours...forget everything but your check book! also you will want to get another boat so you'll have something to run when your motors are being freshened up mid season
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Old 10-17-2006, 07:55 PM
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Default Re: New Engines: 557 or 572

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Originally Posted by ratman
572 4.5 X 4.5
Can someone confirm or deny but I understand the 572' has a less than optimum rod-to-stroke ratio.
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Old 10-17-2006, 08:15 PM
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Default Re: New Engines: 557 or 572

that would depend on rod length, i do not like a square engine
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Old 10-17-2006, 08:20 PM
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Default Re: New Engines: 557 or 572

yes Rob !
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Old 10-17-2006, 08:22 PM
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Default Re: New Engines: 557 or 572

bingo...... Panther!!!!
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Old 10-17-2006, 08:24 PM
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Default Re: New Engines: 557 or 572

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Originally Posted by mikes280
that would depend on rod length, i do not like a square engine
I believe a 6.535 is std. on a 572 with off the shelf parts and gives it a bad rod/stroke ratio, no?
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Old 10-17-2006, 08:26 PM
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Default Re: New Engines: 557 or 572

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Originally Posted by Panther
I believe a 6.535 is std. on a 572 with off the shelf parts and gives it a bad rod/stroke ratio, no?
yes that is 400 long but you can go longer
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Old 10-17-2006, 08:28 PM
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Default Re: New Engines: 557 or 572

Great thread! Keep going, I'm learning.
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