Date: Mon, 20 Aug 2007 17:45:15 -0700
Reply-To: neil N <musomuso@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: neil N <musomuso@GMAIL.COM>
Subject: Re: '82 diesel 1.8 conversion
In-Reply-To: <270326.12382.qm@web33613.mail.mud.yahoo.com>
Content-Type: text/plain; charset=ISO-8859-1
> I've also noticed the oil pan on my turbo diesel was
> damaged. Do I need another one from a diesel,
> specifically, for this conversion?
My understanding is that if you mount an I4 engine at 50 degrees, you
need to use the diesel oil pan.
Neil.
On 8/20/07, byron nemela <byronknemela@yahoo.com> wrote:
> So if the main reason to use a 1.8 head on a 2.0 block
> is to fit under the lid, could I just raise the engine
> lid a couple inches and 'modify' my rear deck with a
> handy plywood sheet, and go with a stock 2.0???
>
> I've found a couple 2.0 engines near me but am still
> looking for an aircooled transmission. (If anyone has
> one collecting dust or knows a place in the mid-west I
> can try, please let me know; worst case is to ship one
> in from CA.)
>
> I've also noticed the oil pan on my turbo diesel was
> damaged. Do I need another one from a diesel,
> specifically, for this conversion?
>
> And again, if anyone knows a place that does these
> conversions in MIchigan (Ohio, Illinois... have tow
> bar, will travel!)let me know. The VW shop in Ann
> Arbor is game but he's never done one before. I'd even
> be happy to leave it with someone to work on cause I'm
> going out of state for two months soon...
>
> Thanks for all the information. I truly appreciate it!
> Byron
>
>
> --- Robert Keezer <warmerwagen@YAHOO.COM> wrote:
>
> > Neil,
> >
> > The main reason for going with a 1.8 head and
> > intake manifold when using the Diesel hardware is
> > is to fit the engine under the engine lid.
> >
> > Using the 2.0 stock puts the crossflow intake
> > manifold above the lid, meaning you have to cut a
> > hole in the lid .
> >
> > The benefit of the longer intake runners on with
> > the crossflow head is hp gain.
> > Long runners equal hp gain.
> >
> >
> > The benefit of the longer runners is in a narrow
> > range of RPM, most likely over 5,000 rpm, where
> > it is rare to go in a Vanagon.
> >
> > The compromise then is the Digifant intake
> > manifold. This has longer runners than say a VW
> > Fox or Rabbit.
> >
> > Long runners are tuned runners. They help
> > increase air flow to the cylinders. The more air
> > -fuel you can cram into the cylinders, the more
> > power you can get. The exhaust downpipes also
> > need to be a tuned length, such as individual
> > headers on a performance race engine have a
> > certain length before joining together.
> >
> > Length of intake and exhaust is designed by
> > formula starting with the cam . The pressure wave
> > is timed to return to the valve just as it opens
> > or closes.
> >
> > Incorectly tuned exhaust will lower hp .
> >
> > The Tiico has a good example of a tuned exhaust.
> > The manifold divides the exhaust in 2 and sendsit
> > down two seperate pipes a certain length before
> > joining.
> >
> > The intake ports and exhaust ports are the same
> > size for 1.8 and 2 liter.
> >
> > The longer tuned length is useful for a lighter
> > car that can spool up rpm rapidly.
> >
> > In the heavy Westfalia you need a bigger engine
> > or performance mods to do this.
> >
> > Robert
> >
> >
> >
> > --- neil N <musomuso@gmail.com> wrote:
> >
> > > Hi Robert.
> > >
> > > Do you know if there's a HP loss (tiny loss
> > > likely) when using the 1.8
> > > head on the ABA 2.0?
> > >
> > > Thanks.
> > >
> > > Neil.
> > >
> > > --
> > > Please send me your Vanagon/Westfalia links!
> > > http://vanagonlinks.googlepages.com/home
> > >
> > > Neil Nicholson. 1981 Air Cooled Westfalia.
> > > http://web.mac.com/tubaneil
> > >
> > >
> > >
> > > On 8/18/07, Robert Keezer
> > > <warmerwagen@yahoo.com> wrote:
> > > > Hi Byron,
> > > >
> > > > I have done the 1.8 conversion and my
> > > > recommendation is to use a 2.0 liter( '93-'99
> > > ABA
> > > > block with the 1.8 head instead.
> > > >
> > > > I have gone thru two 1.8's and so has a
> > > > friend's.In my experience they don't hold up
> > > to
> > > > the demand the Westfalia puts on them.
> > > >
> > > >
> > > > The 1.8's are underpowered in a Westfalia and
> > > the
> > > > strian is too much for the rods . I have had
> > > two
> > > > engines burn out rod bearings and likewise my
> > > > friends.
> > > >
> > > > The 2 liter has oil spray nozzles that spray
> > > the
> > > > bottom of the pistons, cooling them and thus
> > > > keeping the rods cooler.
> > > > It also has more HP and torque than the 1.8.
> > > > 2.0 blocks around here go for 200.00-300.00.
> > > >
> > > > You use the 1.8 head and head gasket. You
> > > need to
> > > > clearance the left firewall to accomodate the
> > > > intake manifold. For fuel injection system
> > > you
> > > > can use CIS, CIS-E, DIgifant 2, Motronic.
> > > >
> > > > I find Digifant 2 the esiest fuel injection.
> > > > ('88-'92 Golf -Jetta)
> > > >
> > > > My 2 liter has gone over 215,000 miles since
> > > I
> > > > installed it in 1999. It's a strong engine,
> > > and
> > > > smoother, less vibration.
> > > >
> > > > I know the Diesel sounds good but I would'mnt
> > > go
> > > > with anything less that a TDI or 1.9 turbo.
> > > >
> > > > The other thing to consider is the
> > > transmission.
> > > > Your stock Diesel trans is low geared and
> > > makes
> > > > the engine run about 1,000 rpm's higher than
> > > if
> > > > you use a air-cooled trans with all the
> > > Diesel
> > > > trans stuff like bellhousing, brackets and
> > > > mounts.
> > > >
> > > > GTI engine , 1.8 , about 105 hp and 109 ft
> > > lbs
> > > > torque.
> > > > ABA engine 115 hp and 126 ft lbs of torque.
> > > >
> > > > Of course, how you fuel it or mods your
> > > > make/don't make, can increase/decrease those
> > > > numbers.
> > > >
> > > >
> > > >
> > > > Robert
> > > >
> > > > 1982 Westfalia
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > --- byron nemela <byronknemela@YAHOO.COM>
> > > wrote:
> > > >
> > > > > I need some help from folks who've done the
> > > 1.8
> > > > > I4
> > > > > switch. Even better, I could use a mechanic
> > > > > who's done
> > > > > conversions in the Detroit/Ann Arbor
> > > area...
> > > > >
> > > > > OK, so I've got a lovely rust-free '82
> > > Westy
> > > > > with a
> > > > > blown 1.6TD, and I'm about to buy a 1.8
> > > engine
> > > > > from a
> > > > > GTI for $300. (I know, why gas? A used
> > > 1.6TD
> > > > > will cost
> > > > > me $2000 shipped and still be 68HP vs
> > > 107... If
> > > > > anyone
> > > > > can sway me to a 1.9TD switch, please let
> > > me
> > > > > know.)
> > > > >
> > > > > Thing is I'm a potter not a mechanic, but a
> > > > > buddy can
> > > > > drop the bad engine and mount the new one.
> > > Then
> > > > > 'Bill
> > > > > Muncy's' in Ann Arbor says he'll do the
> > > rest
> > > > > (charging
> > > > > me $74/hr 'including head scratching'). So
> > > I'd
> > > > > like a
> > > > > general idea of how big a job it is, how
> > > long
> > > > > it
> >
> === message truncated ===
>
>
>
>
> ____________________________________________________________________________________
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--
Neil Nicholson. 1981 Air Cooled Westfalia -
"Jaco" (Bustorius)
http://web.mac.com/tubaneil
Please send me your Vanagon/Westfalia links!
http://vanagonlinks.googlepages.com/home
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