Thanks for the specs...
BTW: Where you gettin those numbers? Ya got a book or somethin'??
> -----Original Message-----
> From: owner-dakota-truck@buffnet4.buffnet.net
> [mailto:owner-dakota-truck@buffnet4.buffnet.net]On Behalf Of Jim, Donna,
> Erin, and Brian
> Sent: Thursday, January 21, 1999 12:19 AM
> To: dakota-truck@buffnet.net
> Subject: Re: DML: V6 Dakota Engine Specifications
>
>
> DAMN!! You're asking for a lot of info here...Lets see what I
> can do with it.
>
>
> >OK....
> >
> >Got the basic Cam specs (thanks Brian) but I need a lot more information:
> >
> >(1) Cam Specs: (Timing specs - Intake/Exhaust Open/Close @Valve
> and @.050")
>
> Geezus!!! Um, I have no freakin idea!
>
> >(2) Cam Specs: Lift @ Tappet
>
> Just for kicks, tappet lift....sh!t....okay.....try .2375" intake(.380" at
> the valve)
> exhaust .245" (.392" at the valve)
>
> >(3) Cam Specs: Duration @.050"
>
> Wheee! Well, for the hell of it, 180 intake/184 exhaust....
>
> >(4) Cam Specs: (Don't think it's advanced or retarded from the factory)
> >Degrees Installed??
>
> It's installed straight up. Should be 0 degrees.
>
> >(5) Valve Spring Rates (Seated and Open)
>
> Where the hell is a Magnum techie when you need him?????????
>
> >(6) Stock Rocker Arm Ratio (1.6:1 I think)
>
> Yup, 1.6:1
>
> >(7) Number of Piston Rings
>
> 3 - 2 compression rings, 1 oil ring
>
> >(8) Connecting Rod Length
>
> 6.123"
>
> >(9) Piston Skirt Length
>
> Something leads me to believe that this is the same thing as deck height,
> no? Well, the "A" engine block has a deck height of 9.56" - which should
> be the same as the Magnums.
>
> >(10) Valve Sizes (Intake and Exhaust)
>
> Intake - 1.92" (might be smaller on a V6 - if it is, probably 1.88"
> Exhaust - 1.625" same across the board....
>
> >(11) Combustion Chamber Size (cc's)
>
> 65 cc + 11.2 cc dish on pistons
>
> >(12) TBI CFM Rating (Stock and Stage-II)
>
> umm...lets see...550 maybe? Stage II...680 maybe?
>
> >(13) Average Intake Runner Length/Width
>
> Damn Bernd!! =) My guess 17-20" length...width? 1.5"??
>
> >(14) Injector Flow Rating (Stock)
>
> 24 lbs/hr probably....
>
> >
> >I'm building a hypothetical Magnum V6 (I can also do a V8 if I have the
> >specs) and then modifying it to see what happens. (Intake Flow,
> Cam Specs,
> >Exhaust Flow, Timing, Rocker Arms, etc...)
> >
> >I'll have printouts posted but I need these specs before I can
> do anything.
> >(Dodge hasn't been much help at all..they act as if the motor is
> some sort
> >of top-secret development.)
> >
> >Thanks,
> >
> >Bernd D. Ratsch
> >Pflugerville, TX
> >bernd@texas.net
> >http://lonestar.texas.net/~bernd
> >1997 Dakota SLT-CC (3.9L)
> >License Plate Frame: "Don't Follow Me...I'm Trolling for Toyota's"
> >Song for the Day: "Gonna buy me a Dodge Truck and blow those
> Fords off the
> >road....."
> >
> >
>
>
> GOOD FREAKIN LORD!!! =) Ackk....that was interesting...I
> actually think I
> got 7 of those perfectly correct. On the #'s: 1, 2, 3, 5, 12,
> 13, 14 - I'm
> not too sure. Pure speculation on some of it, and most likely some good
> guesses on some of it(2, 3, 12, 13, 14). I don't really think the cam
> estimates can be off by that much.
>
> Okay DML'ers, feel free to correct my mistakes! That's about as good as I
> can do without tearing down the motor! =) Hoped that helped
> somewhat, Bernd.
>
> Do I get my Degree in Magnum Engines now????? Or maybe a diploma of some
> sort???
>
>
> Brian
> I think my mind is fried, thanks Bernd! hehe....=)
>
>
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