So all mag heads then. That sucks.
----- Original Message -----
From: "Bernd D. Ratsch" <bernd@texas.net>
To: <dakota-truck@dakota-truck.net>
Sent: Monday, March 24, 2003 8:05 PM
Subject: RE: DML: Porting stock heads (Ray Block)
>
> 92+
>
> - Bernd
>
> -----Original Message-----
> From: owner-dakota-truck@bent.twistedbits.net
> [mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of TJ
> Sent: Tuesday, March 25, 2003 12:47 AM
> To: dakota-truck@dakota-truck.net
> Subject: Re: DML: Porting stock heads (Ray Block)
>
>
>
> OK, at what year did the head cracking become a problem then?? That
> would be good to know like someone said so you could go the the junk
> yards and get
> (hopefully) a good set.
>
> 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: "greg conner" <dodgeboy93@hotmail.com>
> To: <dakota-truck@dakota-truck.net>
> Sent: Monday, March 24, 2003 8:34 AM
> Subject: Re: DML: Porting stock heads (Ray Block)
>
>
> >
> > When I had a set of heads done for my v6... I probably went through 10
>
> > v6 heads to find a set of uncracked ones. They all cracked in the
> > same spot, between the intake and exhaust seats. The firts set I got
> > I ordered off ebay, didnt think to magnaflux them because I had never
> > heard of this problem before. I set them to marty and they both were
> > cracked. I then went to a few junkyards..and could see the cracks on
> > the seats with the naked eye... probably looked at 6 heads that way.
> > Marty even picked up a set of heads from a yard down by his shop for
> > me and they were cracked
> also.
> > I do think it depends on the condition and use of the engine though.
> When
> > I pulled the heads off my 93 v6...that had over 110k miles on it but
> regualr
> > maintanance, the heads were not cracked. All the junk yard heads I
> > saw
> you
> > could tell that they were most likely off fleet vehicles or work
> > trucks
> that
> > had hard lifes... saw all the sludge build up around the springs and
> carbon
> > in the chambers.
> >
> > The point of all this?... I dont know...just felt like adding..hehe
> >
> >
> >
> > Greg Conner
> > 1996 RC
> > 3.9 hybrid
> >
> >
> >
> >
> >
> > >From: "Bernd D. Ratsch" <bernd@texas.net>
> > >Reply-To: dakota-truck@dakota-truck.net
> > >To: dakota-truck@dakota-truck.net
> > >Subject: Re: DML: Porting stock heads (Ray Block)
> > >Date: Mon, 24 Mar 2003 10:09:20 -0600
> > >
> > >
> > >I agree with Bill on this...the stock heads are prone to cracking.
> > >
> > >However, finding a set of good stock Magnum heads isn't hard as their
>
> > >is
> an
> > >abundance of them from wrecking yards ('92+ 5.2/5.9L heads are the
> > >same)
> or
> > >from folks who have swapped out to the R/T heads and are selling them
>
> > >either personally or on eBay.
> > >
> > >Cost wise, it's cheaper to modify a good set of stock heads
> > >($450-$500
> for
> > >rework w/porting and gasket matching on the average)...but
> > >performance wise, the R/T heads will come out ahead when it boils
> > >down to all out high-end performance.
> > >
> > >On Supercharged and/or large cubic-inch displacement applications,
> > >definitely invest in a set of R/T heads.
> > >
> > >- Bernd
> > >
> > >----- Original Message -----
> > >From: <B1LLYW@aol.com>
> > >To: <aol@dakota-truck.net>
> > >Sent: Monday, March 24, 2003 9:51 AM
> > >Subject: Re: DML: Porting stock heads (Ray Block)
> > >
> > >
> > > >
> > > > In a message dated 3/24/2003 10:39:08 AM Eastern Standard Time,
> > > > bpracing@worldnet.att.net writes:
> > > >
> > > >
> > > > > You know, I've heard that but haven't seen any evidence to back
> > > > > it
> up.
> > >Have
> > > > > you had 10 heads magnafluxed? I've just had 4 used, stock
> > > > > magnum
> > >heads
> > > > > magnafluxed for cracks and only one had a crack. It is small
> and
> on
> > >the
> > > > > edge of one exhaust seat. The machine shop said it's easily
> > >repairable.
> > > > > That head was off a high mileage van that died an ugly death due
>
> > > > > to
> > >lack
> > >of
> > > > > maintenance. (the oil pickup was totally blocked by sludge) :-(
> > > > >
> > > >
> > > > I looked at a dozen stock heads when I was at KRC's shop in
> > > > Florida.
> > >They
> > > > were all take-offs that Marty had replaced with R/T heads. Every
> single
> > >head
> > > > had I saw, without exception, had cracks. He told me that
> > > > virtually
> > >everyone
> > > > he pulls off, has cracks, usually between the seats.
> > > >
> > > > Here's a link a recent thread on dodgetrucks.org on the same
> > > > subject.
> > > >
> > > > http://www.dodgetrucks.org/forums/viewtopic.php?t=21450&
> > > > highlight=cracked+magnum+heads
> > > >
> > > > BTW Ray, I agree that the flow on the stock Magnum heads is
> > > > decent, I
> > >just
> > > > wanted to point out what is a potential downside i.e. durability.
> > > >
> > > > Bill White - http://www.bionicdodge.com
> > > >
> > > > '02 Dakota QC 4x4, SLT +, 4.7, 5 spd, 3.92 LSD
> > > > '95 Dakota CC 4x2, SLT, 318, 5 spd, 3.55 LSD
> > > >
> > >
> > >
> >
> >
> > _________________________________________________________________
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>
>
>
>
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