JWT450 and Spearco IC Installation

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Modifications: Jwt450 Fuel and Spearco IC Installation

For fun a new refurbished engine Cover Plate
- ebay seller steveb10 email : steve berman [steveb10@gte.net] $35
03/01/03 - JWT/Spearco IC Installation Competed!
- Used a K&N RC-3180 - Fabricated Pexi-Glass air deflector in front of air filter. Thanks Chester.
- More Installation Pictures
- Used Flex-a-lite BlackMagic #150 Efan
Jwt/E-fan/Spearco Intercooler installation / No room for front grill.

Parts and Installation Planning

JimWolfTech ECU 450 Package w/ Cobra MAF
- JWT 450 upgrade Sales Documentation
- Z31.com How-To - Replacing Injectors
- JWT 450 Fuel upgrade equivalent Parts - for Injectors and Ford parts try carparts.com
  - ECCS Fuel upgrade 3Bar program
    (on order from JWT Got it! Thanks JWT! )
  - 1993 Mustang Cobra air flow meter is Ford Part # F1SZ-12B579-A
  - Wiring harness for the air flow meter is Ford part # F43Z-14A411-A
    Mustang Part Numbers OEM Ford Parts Call: 1-800-256-7933 817-596-8074
    The part is also ACDelco Part#213986 #88919841
    Goto http://www.rockauto.com/catalog/catalog.php and enter 213986 in the catalog search
    https://www.rockauto.com/dbphp/mak,MERCURY,1993,COUGAR+XR-7,1198728,3.8L+232cid+V6+MFI+(4),EMISSION,5128,MASS+AIR+FLOW+SENSOR
    >AirFlowMeter : F1SZ-12B579-A LIST PRICE $249.80 OUR PRICE $212.33
    >AFM Wiring Harness: F43Z-14A411-A LIST PRICE $14.37 OUR PRICE $12.21
    - Got it! 3 1/2" inlet
  - Connector from old Z31 AFM to solder to Cobra Wiring Harness (Got it. Thanks Brian!) (z31.com classifieds)
    - See Cobra MAF Wiring Page.
  - injectors are Borg-Warner 57512 (got them from carparts.com) = 500cc/min at 42psi
  - Dropping resistors 6.8Ohm/10 Watt (Got from JWT)
    - Going to use Mouser resistors.
    - See Dropping Resistor Installation Page.
  - 1984-5 300ZX (Top Feed) Fuel Rails (Got 'em Thanks Mike!) (z31.com classifieds)
  - 1990+ Z32 Twin Turbo Fuel Pump ( $160 Got it! Thanks AutoGator)
  - ECCS from 1988 300ZX Turbo (AT or Man) for upgrade core $75 total. Thanks Evan! (z31.com classifieds)
- Spearco InterCooler. (Ordered from JWT, Got it. Thanks!)
  or HKS?
  - HKS has CARB but is much more expensive and not worth the extra cost.
  - I found a good source for this Alamo Motorsports (FL.) and wholesalehyperformance (CA.)
- JWT Hybrid T3/T4 turbo - SPORT 350 TURBO Z31(T3/T4B)
  (Got JWT Sport 350 used, Thanks Evan!) (z31.com classifieds)
- JWT Injectors too expensive see above.
- Z32TT Fuel Pump Upgrade - Have pump, Still to do.
  - Z31.com Z32 1990 TwinTurbo Fuel Pump Upgrade for Z31 Instructions
  - Z32 TT Fuel Pump Upgrade for Z31 Instructions TOO (Danny Suski).
- GReddy Pressure relief Valve For 1 BAR and Above.
  - Got it! from www.digitalracer.com
  - Japanese Instructions showing "number of turns" to "Bar value" table
As part of the JWT upgrade and because my passenger side manifold is leaking (probably warped) I have bought a new turbo and passenger side manifolds. Also got a cross over tube from Autogator. Then I have had them Jet-Hot coated locally. They did all the pieces in 2100 degree Black for $182.

Ceramic Coating for the SF Bay Area:
Ask for Ron
Accessories Plus
1421-D Old County Road
Belmont, CA 94002
(650) 591-2400
accplus1@aol.com