> -----Original Message-----
> From: owner-dakota-truck@bent.twistedbits.net
> [mailto:owner-dakota-truck@bent.twistedbits.net]On Behalf Of RayB
> Sent: Saturday, January 10, 2004 4:58 AM
> To: dakota-truck@dakota-truck.net
> Subject: DML: RE: Re: Re: Re: Re: Pre-Mag 318
>
>
>
> FWIW, the article says they use pre-'76 castings that are sonic
> checked and
> the shop has a good reputation. They compete on the track with their own
> SS/A Hemi Barracuda. Now having said all that, I too would be concerned
> about boring a 318 that much. You certainly wouldn't get another bore
> cleanup after that when this one wears out.
>
> Minor correction....the stock 360 has a 4.000 bore. The 340 is a 4.040
> bore.
>
> On another note, my machine shop has seen 4 of the 4" CAST stroker cranks
> fail. One of the rod journals broke off on each. No bearing
> problems, just
> the casting broke. His recommendation is, above 450 HP or 6000
> rpm, use the
> steel stroker crank.
>
> RayB
> http://www.dragtruk.com/ENTRIES/20KM1FD2KWBP.html
>
>
Ray, does your shop do a lot of stroker motors? Surprised to see so many
crank failures at those HP and rpm numbers.
Were those all small journal cranks, by chance?
Bob
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