Re: Re: Re: Mag Ported Head ?

From: greg conner (dodgeboy93@hotmail.com)
Date: Wed Mar 19 2003 - 21:53:27 EST


Ya get this kinda crap on every kind of list tj. Call or email dan at the
fast man he can help you out. He really knows his shit when it comes to
heads...and is a great guy to boot.

www.thefastman.com

Greg Conner
1996 RC
3.9 hybrid

>From: "TJ Goettner" <dakota52318@toad.net>
>Reply-To: dakota-truck@dakota-truck.net
>To: <dakota-truck@dakota-truck.net>
>Subject: DML: Re: Re: Mag Ported Head ?
>Date: Wed, 19 Mar 2003 21:47:03 -0800
>
>How can I not be, the port cc on a stock head is 153 as is on the "ported"
>head, chamber size is both 60cc... so according to the book, the only
>difference is the valve size, so where is my orange in that? Oh, and when
>I
>can pull $3000 outa my butt, I will test them both. So instead of a smart
>remark, how about some info, not everyone on the list is an engine tech.
>
>
>TJ
>dakota52318@toad.net
>1992 Dodge Dakota 4X4
>Long Bed, 318, 46RH Auto
>DT Headers, Functional RamAir Hood
>K&N FIPK, Flowmaster Muffler
>Custom Throttle Body
>MP Computer
>15.74@87.59
>4350lbs
>
>----- Original Message -----
>From: "Chad Evans" <hemidak@msn.com>
>To: <dakota-truck@dakota-truck.net>
>Sent: Wednesday, March 19, 2003 6:14 PM
>Subject: DML: Re: Mag Ported Head ?
>
>
> >
> > you are not comparing apples to apples
> > one is a ported head the other is not.
> > test them both out of the box then ask again!
> >
> >
> > ----- Original Message -----
> > From: "TJ" <dakota52318@toad.net>
> > To: <dakota-truck@dakota-truck.net>
> > Sent: Wednesday, March 19, 2003 8:47 PM
> > Subject: DML: Mag Ported Head ?
> >
> >
> > >
> > > OK, gotta question here... according to my reading, if you can get 2
>heads
> > > to flow the exact same numbers (230cfm) at say, 28"... one having a
>153cc
> > > intake port w/ a 1.97" valve, and the other having a 180cc port w/ a
>1.92
> > > valve, the head with the 153cc port is better because it will have a
> > higher
> > > intake velocity. IS THIS CORRECT??? OR does the intake valve size
>change
> > > this theory because according to hughes engines this is the way it
> > works....
> > > NOW if you look in the 2001 MP catalog, the 2 heads I just compared
>were
> > the
> > > stock ported mag heads and the R/T heads... the stock ported being the
> > > better head. How and Why is this??
> > >
> > > TJ
> > > dakota52318@toad.net
> > > 1992 Dodge Dakota 4X4
> > > Long Bed, 318, 46RH Auto
> > > DT Headers, Functional RamAir Hood
> > > K&N FIPK, Flowmaster Muffler
> > > Custom Throttle Body
> > > MP Computer
> > > 15.74@87.59
> > > 4350lbs
> > >
> >

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