Not with new gasket technology, Look at all the cars that run aluminum heads
stock from the factory.
Mark Kuzia
flyboy01@mediaone.net
http://people.mw.mediaone.net/flyboy01/home.html
1995 Dakota 13.79 @ 102.45 mph
~360ci, 5-spd, 4.11 LS (8 3/4 [3.90 SG] coming soon)
1994 Dakota 15.36 @ 91.56 mph
~318ci, 5-spd, 3.90 LS (bone stock, no mods)
----- Original Message -----
From: "Ronald Wong" <ron-wong@home.com>
To: <dakota-truck@buffnet.net>
Sent: Wednesday, June 06, 2001 11:02 AM
Subject: DML: RE: Re: Re: Re: R/T heads
> So Mark, other than cost, what are the gotcha's with aluminum heads and
iron
> block?? Easier to blow head gaskets?
>
> Ron
> 00 PB SLT QC 4X2 5.9 46RE 3.92 LSD
> For modifications see my DML Profile (URL follows)
> http://www.twistedbits.net/WWWProfile/dakota/Kw9pV1EkFeOYY
>
>
> -----Original Message-----
> From: owner-dakota-truck@buffnet.net
> [mailto:owner-dakota-truck@buffnet.net]On Behalf Of Mark Kuzia
> Sent: Wednesday, June 06, 2001 7:58 AM
> To: dakota-truck@buffnet.net
> Subject: DML: Re: Re: Re: R/T heads
>
>
> That's O.K. because aluminum heads dissipate heat much quicker that iron,
so
> the general rule of thumb is that you can run one point higher in
> compression and still not get detonation. This extra 1.0 will give you
about
> another 20 hp and 20 ftlb torque, no to mention their better flow good for
> another 30-40 hp.. I would love to get the aluminum heads, but they cost
> about $1900 assembled & ready to go.
>
> Mark Kuzia
> flyboy01@mediaone.net
> http://people.mw.mediaone.net/flyboy01/home.html
> 1995 Dakota 13.79 @ 102.45 mph
> ~360ci, 5-spd, 4.11 LS (8 3/4 [3.90 SG] coming soon)
> 1994 Dakota 15.36 @ 91.56 mph
> ~318ci, 5-spd, 3.90 LS (bone stock, no mods)
>
>
> ----- Original Message -----
> From: "George S Willhite" <gswillhite@ualr.edu>
> To: <dakota-truck@buffnet.net>
> Sent: Wednesday, June 06, 2001 12:36 PM
> Subject: DML: Re: Re: R/T heads
>
>
> > Thanks Tim!
> >
> > >>>>>>>
> >
> > The cast R/T heads dont change the compression... The R/T Heads have
the
> > same 60cc chamber size as stock, whereas the Alum. has 53cc
> >
> > the 53cc will give you darn close to a 10:1 compression ratio on a
318/360
> >
> > Tim Berry
> >
> > > Let me follow up on Rich's question with another. A DML'er I
> > > know installed the cast iron R/T heads on his 318 and said he
> > > thought they lowered his compression. Is that possible? I've
> > > read that the aluminum R/T heads increase compression so
> > > it appears that there could be a difference between cast iron
> > > and aluminum combustion chambers.
> > >
> > > GS -
> > >
> > > '98 5.2L 5spd
> >
> >
> >
>
>
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:01:45 EDT