Thanks Marc,
As Usual words worth thier weight in gold. Ill remember these points
especially the one about the fan belt difference.
I am not going for the dual port conversion at the moment or in the near
future but would keep all this discussion saved for future reference.
Asad
> Date: Sun, 20 Jan 2008 10:26:43 -0800> From: [EMAIL PROTECTED]> To:
> [email protected]> Subject: Re: [vintagvw] Non dog to doghouse cooler
> conversion.> > I only mentioned the idea of running a butchered> dowhouse
> shroud and external cooler as an option for> Asad if he couldn't locate all
> of the bits necessary> to convert to a 100%-stock doghouse setup yet wanted>
> to do SOMETHING to improve the cooling-air> distribution on his singleport.>
> > With the doghouse fan shroud you can run any fan.> After plugging off the
> air passage to the oil cooler,> a singleport fan is adequate. If you wished
> to go for> "overkill" and use the wider DP fan you'd also be wise> to use a
> louvered engine lid.> > Regardless of fan/shroud setup used, always use the>
> wider (11.3x912La) belt with an alternator. The> "generator" 9.5x905La belt
> will fit, but it will slip> at high RPM and cause engine overheating.> > >
> --- [EMAIL PROTECTED] wrote:> > > Marc,> > > > I also appreciate you sharing
> your VW knowledge.> > Writing a book is a huge undertaking and I certainly> >
> understand not wanting to do that. I do, however,> > keep many of your emails
> in a folder for future> > reference.> > I plan on compiling some emails into
> a binder for> > reference in my garage. If my computer dies, I'd> > like> >
> to have access to the VW knowledge being passed> > along.> > > > You mention
> force-feeding VW trivia to your son. > > Does> > he enjoy the air-cooled VW
> hobby?> > > > One thought on converting a single-port engine to an> >
> external oil cooler with a modified dog-house fan> > housng.> > Wouldn't you
> still want to use the wider dog-house> > fan> > instead of the SP fan? It
> seems that if you modify> > the> > dog-house fan housing as you suggest to
> correct the> > air-flow direction; more air-flow would be better.> > > >
> Brian> > '65 Convertible> > '67 Ghia> > '73 Super> > > > ----- Original
> Message ----- > > From: "marc vellat" <[EMAIL PROTECTED]>> > To: "Air-Cooled
> Volkswagen Discussion List"> > <[email protected]>> > Sent: Friday,
> January 18, 2008 3:08 AM> > Subject: Re: [vintagvw] Non dog to doghouse
> cooler> > conversion.> > > > > > Thanks for the kudos, good to know I'm
> helping.> > I'll never get around to writing a book, but I> > figure> > that
> thanks to the Internet I'll be able to share a> > lot of what I've learned
> over the years with future> > VW> > fanatics even when I'm dead & buried.
> I've force-fed> > my son VW trivia since he was 5 (he's 23 now) and> > he's>
> > retained a respectable amount, hopefully he'll be> > able> > to take on the
> responsibility of filling in the gaps> > when I finally succumb to
> Alzheimer's ;)> > > > I had an afterthought about your cooling-system> >
> question...long ago it was thought by most (myself> > included) that removing
> the stock cooler from a SP> > and> > replacing it with an externally-mounted
> tube & fin> > unit would be an upgrade - turns out that when you> > do> >
> that you end up with wasted air flow to the base of> > the LH cylinders and
> an overall INCREASE in engine> > operating temperature. The doghouse fan
> housing has> > internal vanes which even out the distribution of> > cooling
> air...if you were to take one of those and> > skin off the doghouse, and
> patch over the slot that> > feeds air to it, an external cooler could be used
> to> > advantage. You could still use the narrow SP fan> > with> > this setup,
> too, so the doghouse shroud would be the> > only stock part you'd need to
> hunt down.> > > > --- asad ishaque <[EMAIL PROTECTED]> wrote:> > > > >> > >
> Marc!> > >> > > Im convinced not to go ahead or plan such a> > > conversion.
> I will save this post for reference> > > along with all your (and quite a few
> others')> > > earlier posts.> > >> > > I really admire your knowledge when it
> comes> > to> > > explaining things. I am just wondering, have you> > > ever
> thought of writting a book??? Or maybe a> > > detailed website on VW tech???>
> > >> > > Not a joke but a very serious idea which must> > be> > > considered.
> Or if you dont have time on hands> > maybe> > > your posts can be compiled as
> a Q&A collection?> > >> > > On a local wheels related website I am regarded>
> > > as the VW master despite my rants I know nothing.> > I> > > always tell
> them, wait till you see Marc Vellat's> > > posts!!!> > > Best wishes,> > >> >
> > Asad> > > Karachi, Pakistan.> > >> > > > Date: Tue, 15 Jan 2008 00:19:39
> -0800> From:> > > [EMAIL PROTECTED]> To: [email protected]>> > >
> Subject: Re: [vintagvw] Non dog to doghouse cooler> > > conversion.> > If
> your case is small-passage (all> > > pre-B6 singleport> cases were) it'll
> also be> > > single-relief - not the best> for a doghouse> > cooler> > >
> since it lacks the better cooler>> > overpressurization> > > feature of the
> dual-relief case,> but you can> > still> > > convert to doghouse if you want
> -> just don't rap> > > the engine out when it's cold,> especially if> >
> you're> > > running high-viscosity oil.> Singleport cases have> > > 6mm holes
> in the cooler mounting> "ears", those'll> > > have to be drilled out to 8mm
> to fit> the doghouse> > > adapter. The short singleport 6mm cooler> stud> >
> will> > > need to be replaced with a longer one -> better to> > > drill & tap
> the case for a proper 8mm stud.> Most> > > importantly, to put a doghouse
> cooler adapter (or>> > > even a 111 117 021E large-passage SP cooler) on a>>
> > > small-passage case you'll need a pair of> > conversion>> > > seals - the
> only way I know to get them is in a> > 111>> > > 198 029 kit...it'll contain
> two seals and three>> > > washers - you won't need the washers for this>> > >
> application, they're for putting a small-passage> > > 111> 117 021 cooler on
> a large-passage case.>> > > Besides the doghouse fan shroud, you'll need the>
> > > two> pieces of exhaust ductwork and the front tin> > > with a> window in
> it (or you can cut one in your> > > existing> tin), the "Hoover bit" which
> seals off> > the> > > bottom of> the cooler AND the wider cooling fan> > for>
> > > full effect.> > My personal opinion is that for a> > > stock/near-stock>
> 1300, 1500 or 1600 SP there's> > not> > > enough benefit to> warrant the
> conversion> > (assuming> > > all of the engine> compartment seals are
> intact,> > of> > > course)...but the> climate's pretty mild where I> > >
> live, it'd probably be> worthwhile in the> > hotlands.>> > > >
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