Notepad

Nothing to see here. I'm using this to keep notes for myself.

5-speed vs 6-speed fit comparisons

94-97 and 2001-2005 Header EGR Thread: M22x1.5, approx 17mm deep

Fender bolts: M6x1.0

Oil Drain Plug thread size: M14x1.5

Miata Wheel Center Bore: 54mm

Fuel Tank: 5/16 Quick Connects, or Summit #RUS-640850

1999-2000 Miata

  • Steve Hoult's Rebuild Guide

  • Replacement Alternators

      • Hitachi Part # LR170-758AM (New), ALR0030 (Remanuractured)

      • Mazda Part # BP4W-18-300R-0C (Remanufactured); BP4W-18-300C (New)

      • Denso Part # 210-3155 (Remanufactured)

      • Bosch Part # AL4226X (New)

      • Bosch Part # W0133-1602103 (Remanufactured)

      • Lester Part # 13788 (New) (Diesel Engine OEM, would need a pulley change)

      • Beck/Arnley Part # 186-0919 (New) (Major supplier to wholesale industry; would be the Hitachi unit under B/A part #)

  • Hitachi Replacement Part #'s (available through aspwholesale.com)

      • Rotor: L190G5100

      • Stator: L170G6200

      • Rectifier: RTF39774

      • S/R/E Bearing: 6000TR

      • Pulley: L165G2500

      • Thru Bolts: L190G2800 (or any M5 x 70 / 95 mm)

    • Viable Alternator Brushes: Autozone/Duralast Alternator Brush FX67 or FX68

    • Internal Regulator: Hitachi, internal regulator, clockwise, 70A, PV4 54mm pulley, PD Plug #54.

Coil-On-Plug (COPs) Notes

- 10,000 uf microfarad capacitor 25v, or 2 capacitors at half the uf for plugs 1&4, and 2&3.

- Denso plugs K22PR-U. Start the gap at .028 and experiment going with a larger gaps until until the car starts missing then back off

MP62 Notes

Hotside Belt Tensioner: Dayco 38178 Tensioner

Belt Sizes for Hotside 6-Rib superchargers using a 65mm SC pulley

- 110/65: Gates 6PK1085 / Goodyear 4060427 *Verified on my SC

- 115/65: Gates 6PK1107 / Goodyear 4060435 *Verified on my SC

- 120/65: Gates ??? / Goodyear 4060440 *Verified on my SC with the 4060440.

- 130/65: Gates 6PK1120 - *As recommended on Forums. This is the equivalent of Goodyear 4060440. I was not able to get it to fit. instead used 6PK1145S.

- 150/65: Bando 6PK1165 rubber confirmed brand new. but the Gates Fleetrunner line did not fit.

- 150/62.5 : Bando rubber 6PK1165, easy fit. 6PK1165 Gates FleetRunner Green very tight fit.

MP62 Nose Pulley Nut Torque: 45 ft-lbs

ATI Pulley Bolts for 6-Rib Supercharger: Six 5/16"-18, length 1-3/8"

Great site for Belt Conversions across manufacturers

ATI Harmonic Dampener for Mazda Miatas: 918522, $449.00 on SummitRacing

Additional 5.5" billet SC pulley (140mm): 916267, $77.00 on SummitRacing