"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"
>