On Sun, 6 Dec 1998 DodgeBoyz3@aol.com wrote:
> In a message dated 06-12-98 4:44:22 PM Central Standard Time,
> stei0302@cs.fredonia.edu writes:
>
> > At 11:04 AM 12/5/98 -0500, you wrote:
> > >The stock MP Magnum casting can be had for around $119.00 ea. It utilizes
> > the
> > >1.92 int. & 1.625 ex. valves.
> >
> > Are those the same size as the stock 318/360 valves? (i.e. would
> > there be any benefit to bolting on those heads as is?)
> >
> > And speaking of which... What is the difference between a casting and
> > a head? If someone were to buy a couple of the above casting to have
> > them ported, what additional stuff would have to be purchased or done
> > before they could be bolted onto the engine for some fun runs? :-)
> >
> Jon,
>
> P4876256 is stock service replacement for 92-98 Magnum engines(360). I cannot
> tell you for sure, but I think the 318 is 1.78/1.50 valve openings, and the
> 360 is 1.92/1.625.
Hmmm... Where could I find that out for sure? Sounds like maybe there is a
little performance to be had with a set of 360 heads as-is?
>
> The "casting" means it is a bare head, and you would need to install a new
> valvetrain(valves,springs, locks, guides etc...). An complete head would be
> cheaper to purchase than buying all the parts and putting it together. For
> instance, P5249573(an assy 360 swirl port) runs for $595 a pair in Mancini's
> catalog. At least thats how I see it in their flyer.
>
Thanks for the info! Is that P5249573 a "stock" 360 head, or is it
ported/polished at all? (Price seems too cheap to be ported?)
-Jon-
.--- stei0302@cs.fredonia.edu ----------------------------------------.
| Jon Steiger * AOPA, DoD, EAA, MP Race Team, NMA, SPA, USUA * RP-SEL |
| '96 Dodge Dakota v8 SLT CC (14.58@93.55), '96 Kolb FireFly 447 |
`--------------------------- http://www.cs.fredonia.edu/~stei0302/ ---'
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