The 5.2/5.9L's are also prone to that problem. The V6's also crack in
the block.
- Bernd
-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Mike
Meyerhoff
Sent: Monday, November 18, 2002 10:17 PM
To: dakota-truck@dakota-truck.net
Subject: Re: DML: 3.9 heads
huh, seems like alot of 3.9s die from a cracked head. I know the magnum
heads are relitively thin, but is it that bad?
mm
----- Original Message -----
From: "Bernd D. Ratsch" <bernd@texas.net>
To: <dakota-truck@dakota-truck.net>
Sent: Monday, November 18, 2002 9:07 PM
Subject: RE: DML: 3.9 heads
>
> The trick on the V6's is to find an uncracked block. Check the #2
> cylinder, upper head bolt hole. I went through seven cores before
> finally getting one useable.
>
> - Bernd
>
> -----Original Message-----
> From: owner-dakota-truck@bent.twistedbits.net
> [mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of greg
> conner
> Sent: Monday, November 18, 2002 8:27 PM
> To: dakota-truck@dakota-truck.net
> Subject: Re: DML: 3.9 heads
>
>
>
> yep, all the same from 92 and up. Howevere, good luck finding an
> uncracked set, I looked through probably 6 sets before I found a good
> one. They all
> seem to crack across the valve seats, from the intake to the xhaust
> valve,
> allways seems to be on the same cylinder too,
>
>
>
> Greg Conner
> 1996 RC
> 3.9 hybrid
>
>
>
>
>
> >From: "Mike Meyerhoff" <mike@mypants.org>
> >Reply-To: dakota-truck@dakota-truck.net
> >To: <dakota-truck@dakota-truck.net>
> >Subject: DML: 3.9 heads
> >Date: Mon, 18 Nov 2002 18:33:30 -0600
> >
> >
> >I'm getting antsy to do some headwork. Have there been any changes
> >to 3.9 heads since 92? or are all magnum 3.9 heads the same (dak and
> >ram)?
> >
> >Anybody got a set of spare heads forsale? My truck is my daily
> >driver so it
> >has to be a R&R operation for me. So I'm thinkin I'll buy a set,
have
> em
> >all gussyed up and swap em in.
> >
> >mm
>
>
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This archive was generated by hypermail 2b29 : Fri Feb 06 2004 - 11:47:26 EST