Date: Sat, 20 Dec 2008 14:00:57 -0800
Reply-To: Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM>
Subject: Re: DJ-code WBX technical specs
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
must be translated from German then, if they think 'not continuous' and
'intermittent' are the same thing.
( they are of course, but we tend to think of 'intermittent as something
that doesn't work properly part of the time. )
just checking to see who's reading ! :-)
----- Original Message -----
From: "Jim Akiba" <syncrolist@bostig.com>
To: "Scott Daniel - Turbovans" <scottdaniel@turbovans.com>
Cc: <vanagon@gerry.vanagon.com>
Sent: Saturday, December 20, 2008 12:51 PM
Subject: Re: DJ-code WBX technical specs
> "type: multi-point fuel injection - intermittient"
>
> Meaning not continuous injection (CIS)
>
> "air metering: flow"
>
> Meaning flapper for flow measurement not mass air, speed density, etc
>
> Jim Akiba
>
> On Sat, Dec 20, 2008 at 2:14 PM, Scott Daniel - Turbovans
> <scottdaniel@turbovans.com> wrote:
>> this is interesting, from your list :
>> " intermittient
>> air metering: flow"
>>
>> Wonder what that means.
>> :
>>
>> ----- Original Message -----
>> From: "Chris S" <szpejankowski@GMAIL.COM>
>> To: <vanagon@GERRY.VANAGON.COM>
>> Sent: Saturday, December 20, 2008 9:36 AM
>> Subject: DJ-code WBX technical specs
>>
>>
>>> The gentleman from whom I bought my engine sent me technical specs for
>>> the mysterious and marvelous DJ-code WBX. I know there's been some
>>> interest in the "secrets" (higher compression, different ECU, timing,
>>> maybe others?) behind the higher power output as it would be useful to
>>> apply them to a WBX during rebuild. As promised, I'm posting it here
>>> both for future reference and analysis.
>>>
>>> Please keep in mind these apply to DJ-code WBX running the original
>>> DJ-code harness and ECU, which is different from 2.1l MV and 1.9l DH
>>> WBX.
>>>
>>> DJ Engine - 2.1l Waterboxer - FI
>>> Technical Specifications
>>>
>>> Vehicle Identification
>>>
>>> capacity: 2109cc
>>> mumber of cylinders/type: 4/overhead valve
>>> production run: 2/1985 - 10/1992
>>> output: 82kW - 112bhp DIN @4800 RPM
>>> torque: 174Nm - 128 lb-ft @2800 RPM
>>> bore: 94 mm
>>> stroke: 76 mm
>>> compression ratio: 10.5:1
>>> minimum octane: 98 RON - 93 (R+M)/2
>>> ignition type: transistorized hall effect
>>> trigger location: distributor
>>> fuel system: Bosch Digijet Injection
>>> type: multi-point fuel injection - intermittient
>>> air metering: flow
>>>
>>> Valve timing at 1mm lift in degrees
>>>
>>> inlet open: 10 BTDC
>>> inlet close: 48 ABDC
>>> exhaust open: 50 BBDC
>>> exhaust close: 0 ATDC
>>>
>>> Valve dimensions
>>>
>>> inlet diameter: 40 mm
>>> exhaust diameter: 34mm
>>>
>>> Tuning and Emission
>>>
>>> ignition coil supply voltage: 11v
>>> primary resistance: coil green label .5 - .8 ohm - coil grey label: .6 -
>>> .8 ohm
>>> secondary ressistance: coil green label 2400 - 3500 ohm - coil grey
>>> label: 6900 - 8500 ohm
>>> firing order: 1 - 4 - 3 - 2
>>> distributor part number: Bosch 0 237 022 054
>>> ignition timing: 10 +/- 1 BTDC @ 800 RPM without vacuum (see note)
>>> ignition advance checks: 0 - 2 @ 1050 RPM w/o vacuum and basic timing
>>> 2 - 6 @1300 RPM w/o vacuum and basic timing
>>> 12 - 16 @2400 RPM w/o vacumm and basic timing
>>> vacuum advance range: 12 - 16 engine degrees (9-11)
>>> idle speed: 800 +/- 50 RPM
>>> oil temp for CO test: 80C - 176F
>>> CO content @ idle: 2 +/- .5 % volume
>>> HC content @ idle: 300 ppm
>>>
>>> Service checks and adjustments
>>>
>>> spark plugs: Bosch W5DCO / W7CCO
>>> electrode gap: .7mm
>>> valve clearance: hydraulic
>>> compression: 11 - 14 bar (150 psi - 195 psi)
>>> oil pressure: 2 bar @ 2000 rpm @ 80C/176F
>>>
>>> Lubricants and capacities
>>>
>>> engine oil: 10w30 (sf)
>>> oil capacity with filter: 4.5 litres
>>> gearbox oil: 80W - 90W
>>> gearbox oil capacity: 3 litres (Syncro 4.5 litres)
>>> autobox oil grade: Dexron (final drive 90W)
>>> autobox oil capacity: 3 litres
>>>
>>> Notes
>>>
>>> When setting ignition timing on vehicles with DIS (digital idle
>>> stabilisation) the two connectors of the DIS unit must be removed and
>>> plugged together.
>>>
>>> Disconnect engine crankcase breather and plug on side of air cleaner.
>>>
>>> --
>>> Chris S.
>>> Disclaimer: "Death and serious injury may occur"
>>
|