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Adaptors

The adaptor plate mounts the electric motor to the original manual transmission and clutch. The Electro Automotive adaptors are precision machined on order from our library of patterns. There are shipped ready to install - no further work necessary. The adaptor comes in four parts. The transmission profile plate is machined from aluminum, and mimics the original engine mounting surface. The motor spacer ring is also aluminum. It mounts to the profile plate, and recreates the original spacing between the flywheel and transmission.

Taperlock Hub

The crucial hub is machined from steel. This is a taperlock fit, the industrial standard for high rpm, high torque applications. The hub mounts to the flywheel. Its inner surface is tapered, cone-shaped. This slides over a matching tapered bushing around the motor shaft. The bushing has a split in it, and is slightly larger diameter than the inside of the hub. As the bushing is drawn into the hub by six bolts, it is compressed around the motor shaft, squeezing closed the split. Once in place, it can be removed only with a proper pulling tool.

We do not use setscrews. Setscrews hubs will fail catastrophically, regardless of Loctite. Heatshrink fit hubs are nearly impossible to position with the necessary accuracy, and nearly impossible to remove once in place.

Our adaptors DO use the clutch. We do not make clutchless adaptors. A clutchless car requires learning a special touch to drive it smoothly, and not everyone can do it. Also, it requires a lag of a couple seconds between gears, which is a safety hazard. A clutchless system is also hard on the transmission. Finally, the clutch acts as an emergency disconnect between the motor and the wheels if something should go wrong at speed.

An adaptor

Exploded drawing of adaptor

Custom Design

We do not recommend having your adaptor built by a local machinist. While he may be an excellent machinist, he does not have background in designing adaptors. We have a selection of custom-designed, custom-fabricated tools for precision measuring of critical points on the transmission. We have also developed custom software tools to aid with the CADD design. Your local machinist will not have these. Since you will be paying for his measuring and design time as well as machining, it will probably cost you more.

If we do not have a pattern for your transmission, we can make one easily. We will need from you:

If you are buying a complete conversion kit from us, we will pay for the shipping in both directions, up to $150 total. This is how we expand our library of patterns. If you order only the adaptor, the transmission will be shipped back COD for the amount of the shipping costs. For details on how to ship your transmission to us, click here.

Check the list below to see if we already have your transmission. If yours is not listed, contact us. One of the listed patterns may cross over to your transmission.

Motor Types

Our motor patterns include NetGain ImPulse 9, WarP 9, & WarP 11 motors, HiPer Drive AC50 motors, Azure Dynamics/Solectria AC24, AC24LS, and AC55 motors and Advanced D.C. medium (8") or large (9") motors,. See our Price List for details. We can modify our existing transmission patterns to fit other electric motors, for an additional charge. Contact us for details.

Transmission Patterns Available

MakeModelYear
Alfa RomeoSpider'77
Austin HealeySprite (1.098L & 1.275L)'61 - '74
Sprite (1.493L)'75 - '79
BMW318i (1.8L w/ Getrag trans)'91 - '95
2002 (2.0L)'69 - '76
Z3 (2.5L w/ Getrag trans)'99 - '00
CadillacCimarron'82
ChevroletCavalier (2.2L 4 Cyl.)'90 - '91
Cavalier (2.8L V6)'85 - '89
Cavalier (3.1L V6)'90 - '94
Corvair
(Must Send Bell Housing)
All
S10 Pickup (2.0 & 2.2L 4 Cyl.)'83 - '01
S10 Pickup (2.5L 4 Cyl.)'85 - '93
S10 Pickup (2.8L V6)'82 - '93
S10 Pickup (4.3L 6 Cyl. Vortek)'85 - '01
Sprint'85 - '92
DodgeColt (RWD)'71 - '80
Colt (1.4L FWD)'79 - '84
Colt (1.5L FWD)'85 - '96
Dakota (3.9L V6)'87 - '01
Daytona (2.2L 4 Cyl.)'84 - '93
Daytona (IROC)'90 - '93
Daytona (Shelby)'89 - '90
D50/Ram 50 Pickup (2.6L)'79 - '89
D50/Ram 50 Pickup (2.0L)'83 - '86
Rampage Pickup'82 - '84
Shadow (2.2L 4 Cyl.)'92 - '94
Fiat124 (1.8L)'74 - '78
X19'80
FordBronco II (2.9L V6)'86 - '91
Escort (1.6L)'81 - '90
Escort (1.9L)'86 - '96
Festiva (1.3L)'88 - '97
Model A
(Must Send Bell Housing & Flywheel)
All
Mustang (3.8L V6)'94 - '04
Ranger Pickup (2.0L & 2.3L 4 Cyl.)'77 - '97
Ranger Pickup (2.9L & 4.0L V6)'86 - '02
Ranger Pickup (3.0L V6 Vulcan)'90 - '01
Ranger Pickup (3.0L V6 4X4)'94
Ranger Pickup (2.5L 4 Cyl.)'98 - '01
GeoMetro (1.0L 3 Cyl. & 1.3L 4 Cyl.)'85 - '01
Tracker (1.6L 4 Cyl.)'89 - '95
GMCS15 Pickup'82 - '90
HondaCivic (1.2L)'74 - '79
Civic (1.3L)'80 - '83
Civic (1.3L & 1.5L)'84 - '87
Civic (4WD)'84 - '87
Civic (1.5L & 1.6L)'88 - '00
CRX'87
CRX (1.3L)'84
CRX (1.5L)'85 - '91
CRX (1.6L)'88 - '91
Del Sol (1.5L)'93 - '95
Del Sol (1.6L)'93 - '00
Insight (1.0L)'00 - '06
IsuzuPickup (2.3L 4 Cyl.)'86 - '95
Mazda323'86 - '94
626 (V6)'93 - '01
Miata (5 or 6 Sp.)'90 - '02
MX6 (2.2L)'88 - '92
B2000 Pickup (2.0L)'85 - '87
B2000 Pickup (2.2L)'87 - '93
Pickup (Rotary)All
RX7 Turbo ONLY (requires special flywheel)All
MercuryLynx'82 - '92
MitsubishiEclipse (1.8L)'89 - '94
Pickup (Mighty Max)'83 - '89
MGMGB'61 - '80
MidgetAll
MorrisMinorAll
Nissan/DatsunPickup'78 - '92
Pulsar'82 - '90
Sentra'82 - '90
OldsmobileFirenza'83
PlymouthArrow'73 - '80
Sundance (2.2L 4 Cyl.)'87 - '94
PontiacFiero (4 Cyl.)'84 - '88
Porsche911'72 - '86
914 (4 Cyl.)All
SaabModel 96All
SonettAll
SaturnS Series'91 - '01
Vue (2.2L)'02 - '05
SubaruJusty (Non-CVT)'87 - '94
SuzukiSamuraiAll
Sidekick'89 - '95
ToyotaCamry (2.3L 4 Cyl.)'92 - '01
Celica (22R 4 Cyl.)'75 - '85
Celica (2.2L 4 Cyl.)'90 - '99
Corolla (1.6L & 1.8L)'84 - '97
MR2'90 - '95
Pickup (20R & 22R 4 Cyl.)'74 - '95
RAV4 (2.0L.)'96 - '00
Tacoma Pickup, (2.4L 4 Cyl. 2WD) '95 - '04
TriumphSpitfire'73 - '80
TR7All
VolkswagenBeetleThru '76
BusThru '79
CabrioletAll
Golf (4 Cyl.)Thru '98
Golf (V6)'93 - '01
Jetta (4 Cyl.)Thru '98
Jetta (V6)'93 - '01
Rabbit (Including GTI) '74 - '84
SciroccoAll

Returns accepted for warranty issues ONLY, for replacement. No cash refunds.
For ordering and warranty information, see the Order Info page.

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