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-   -   598 vs 632 PROS CONS (https://www.offshoreonly.com/forums/general-q/197891-598-vs-632-pros-cons.html)

14 apache 10-26-2008 05:58 PM

598 vs 632 PROS CONS
 
Have 598 now thinking about stroking 598 to 632 what do you guys think about doing this any cons. I know i need pistons and cranks. They make 890hp 6300rpm maybe a little lower rpm with 632. Thanks

Panther 10-26-2008 06:41 PM

How about some blowers on those 598's with a piston change? somewhere around 1100 hp?

stormbauer 10-26-2008 06:57 PM

What is the bore and stroke of the 598 and 632? Is the cylinder spacing different from a 540? Or is it just bored and stroked?

GPM 10-26-2008 06:57 PM

I wouldn't like the rod to stroke ratio if it's a 10.2 block.

14 apache 10-26-2008 07:06 PM


Originally Posted by GPM (Post 2725276)
I wouldn't like the rod to stroke ratio if it's a 10.2 block.

10.2 BLOCK RODS 6.535 STROKE 598 4.5 632 4.75

14 apache 10-26-2008 07:09 PM


Originally Posted by Panther (Post 2725268)
How about some blowers on those 598's with a piston change? somewhere around 1100 hp?

HOWS YOUR DRIVE FRANK. THE BOAT IS MORE IMPRESIVE NA INJECTED + BOAT WOULD BE A HAND FULL WITH 1100HP

Panther 10-26-2008 07:14 PM

The drive is TOASTED.... :(

I shipped the busted up pieces last week so they could have a look-see... So far it sounds like they're willing to work with me on it so I'm happy for that.

I'd like to do something about my X Dimension....need some fire sale shortie lowers....

Panther 10-26-2008 07:20 PM


Originally Posted by 14 apache (Post 2725282)
10.2 BLOCK RODS 6.535 STROKE 598 4.5 632 4.75

I thought 598 was a 4.625 stroke?

GPM 10-26-2008 07:20 PM

I don't know that much but 6.535 rod and a 4.75 crank, 1.37 rod to stroke ratio, might just eat rings. Just an opinion.

GPM 10-26-2008 07:21 PM


Originally Posted by Panther (Post 2725302)
I thought 598 was a 4.625 stroke?

4.6 bore 4.5 stroke


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