[V8] Engine rebuild options
ron_01056 at yahoo.com
Sat Aug 30 16:15:30 PDT 2008
Mr P Cole.... wow special treat to see you post up here ;-)
& as you & your boy have mentioned.... rebuilding these blocks isn't voodo magic. You just need to look around & ask the rite questions to the rite people.
I mean I just went through my 4.2's block to heads & for the 1/2hr I got to drive it it's held up nicley :-)
--- On Sat, 8/30/08, P Cole <pcolegrps at comcast.net> wrote:
> From: P Cole <pcolegrps at comcast.net>
> Subject: Re: [V8] Engine rebuild options
> To: "Bastian Preindl" <bastian at preindl.net>
> Cc: "v8 at audifans.com" <v8 at audifans.com>
> Date: Saturday, August 30, 2008, 6:48 PM
> On Mon, 25 Aug 2008 19:09:32 +0200 (CEST), Bastian Preindl
> >4,2 cylinder bores are NiKaSil coated
> AH- NO. at least for the 32valve engines I'm aware of.
> The information from the folks that actually cast the
> blocks( Kolbenschmidt-Pierburg) indicates that ALL 32 valve
> V8 castings were Alumisil ( alloy AlSi17Cu4Mg )
> Motor-Service home
> Catalog of KS technical manuals
> PDF link on reconditioning ALL alumisil KS blocks
> news article here
> Basically if you have access to a machine shop that has the
> RIGHT equipment (Sunnen VC-20 for example) refinishing (
> even after boring)
> these engines isn't an issue.
> I've rebuilt 2 Porsche 928 engines that use the same (
> basically) material- no problems.
> >3,6 cylinder bores are sulfid etched
> >Rebuilding by drilling a PT is no problem, but on a 4,2
> you have to recoat
> >(with NiKaSil or whatever).
> >> Both the 3.6 and the 4.2 cylinder bores are bare
> aluminium/silicon, and
> >> rebuilding them is not a problem.
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