Re: RE Pistons?

["Gary H." <spigot2039@xxxxxxxxxxx>]

Sounds reasonable. As pointed out by Don and Earl here, too. Thanks guys.

Below is what I was thinking of that I read, advice by Rick Ehrenberg:

"There's absolutely nothing wrong with this [413] engine, but there's also no particular reason to use it. It weighs basically the same as a 440, and you're giving up 27 cubes. And, no, it can't be bored to 440 cubes - at least without weakening the cylinder walls significantly. And, as we've tried to hammer home repeatedly, having strong, straight, and round cylinder walls, that the rings can successfully seal against, will make more HP than having another few inches of displacement - every time! The maximum recommended overbore for virtually all Mopar V-8s is 0.040", but if the bores will clean up at 0.020" - stop!"
http://www.moparaction.com/Tech/questions/TRUCKIN.html

There is no date on that Web page, so who knows when it was put up. Perhaps his argument really was for "strong, straight, and round cylinder walls" and so he de-emphasized the boring.

Thanks,
Gary H.






-----Original Message-----
 
>They said 0.060 was OK all day long on all B / RB blocks.  If I figure
>correctly about 0.062 + /- is the difference in the 413 & 440 bore.  Should
>be no problem??  I have bored B / RB blocks out 0.063 and more for clearance
>with NO problems.  Maybe I was just real lucky but the article seems to back
>me up.  Just my II.
>
>
>
>Herb 


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