Date: Thu, 16 Nov 2000 18:42:15 -0500
Reply-To: "James S. Cohen" <jscohen@SPRYNET.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: "James S. Cohen" <jscohen@SPRYNET.COM>
Subject: Re: 1.8T conversion question
In-Reply-To: <3A146C61.7EDEF0E@cp.net>
Content-Type: text/plain; charset="us-ascii" ; format="flowed"
Dana,
I sell the OEM manifold and 1st section of exhaust from South Africa.
It's the set-up that SAVW used for their 1.8 engined Vanagons.
These pieces will allow the 1.8 engine's exhaust to work with a
Vanagon. It wraps around to the back so you can then bolt up a US
Cat, muffler, and tail pipe.
James
>Dana Morphew wrote:
>>
>> I'm in process now with my '90 Vanagon. Its an RV out of an '89 Jetta
>> with 147,000 miles. 220 to 225 compression on all four cyls.
>
> That's a 1.8 not a 1.8T (1.8 turbo as found in the
>newer passat, a4, new beetle and recently jetta and golf.
>
>> Trans. is
>> inplace with CVs torqued, diesel bellhousing, input shaft, and clutch
>> lever installed, new Redline MT-90, etc.. I have drilled two additional
>> rear engine carrier mounting bracket holes, making four for each side.
>> The carrier brackets are installed.
>
> When I looked at this conversion a year ago, I noticed
>that VW had changed the mouting of the engine. Also, the longitudial
>manifold would require modifying the deck lid with either a 15 or
>50 degree slant. Not sure about the intake manifold used on the
>transverse engines.
>
>> I'm thinking about what to do for the exhaust system, and leaning toward
>> something other than the RV manifold or the diesel manifold.
>
> Turbos make exhaust systems much easier.
>
>> I think I'm ready to go with the wiring harness...time will tell. Fuel
>> and Digifant2 relays...under backseat or in engine compartment (is
>> engine heat reason enough to have them under the backseat?).
>
> Well, the tdi harness allows the tdi ECU to reside under
>the back seat with extensions to the AMM, wastegate solenoid, and
>EGR solenoid wiring. Question is whether the 1.8T's ecu resides in the
>same place as the tdi's and how the length of the harnesses differ.
>I could measure the distance from the ECU connector to the main
>branching point if it would be helpful.
>
>> What to do for the airbox. Do I try to install the warm air deflector
>> on the exh. manifold, (it interferes with the support), try to find
>> another source for warm air, or just forget about using it entirely?
>
> Back to your conversion, forget about it if it's too
>difficult. IIRC, it is there to help with cold starting only. You
>want cold, dense air once the engine is up to operating temp.
>
> As to the 1.8Ts airbox, it should be usable. From the
>conversions I have seen pics/video of from europe, they
>put the airbox where the battery would be in a diesel vanagon -
>passenger, rear corner.
>
>dave
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