engine swapping
Passenger
Posts: n/a
engine swapping
I know for sure that the intake system is different from '89 bon.
I also found out the hard way over the weekend that the fuel injectors from older engines have different impedance than the later engines and are therefore not compatable. Accorcing to my new best friend here, the cutoff was in mid 1987. I am no expert....but these things I am sure of.
Good luck.
I also found out the hard way over the weekend that the fuel injectors from older engines have different impedance than the later engines and are therefore not compatable. Accorcing to my new best friend here, the cutoff was in mid 1987. I am no expert....but these things I am sure of.
Good luck.
Junior Member
Joined: Aug 2001
Posts: 22
Likes: 0
From: Philly area
The '86 - '88 model year injectors use a different resistance level from the '89 - '91 model year injectors. The wiring harness connector on the '86 - '88 injectors is different from the '89 - '91 injectors so you can't install the wrong injector.
There are lot's of little differences like this in the '89 -'91 cars that make an engine swap a challenge.
Best way to do it is to swap the entire wiring harness, ECU, etc. Even that has it's challenges cause some of the connectors under the '86 - '88 dash do not mate up with the '89 - '91 counterparts.
It's not an impossible job, but it's not a bolt in.
There are lot's of little differences like this in the '89 -'91 cars that make an engine swap a challenge.
Best way to do it is to swap the entire wiring harness, ECU, etc. Even that has it's challenges cause some of the connectors under the '86 - '88 dash do not mate up with the '89 - '91 counterparts.
It's not an impossible job, but it's not a bolt in.
Full Member
Joined: Jul 2001
Posts: 58
Likes: 0
From: HH, Tx
Originally posted by Silkworm
Soooo, are you asking a question or making a statement???
PaulC
Soooo, are you asking a question or making a statement???
PaulC
https://www.rx7club.com/vforums/show...threadid=14457
Junior Member
Joined: Mar 2001
Posts: 33
Likes: 0
From: Atlanta, Ga
Originally posted by jack kramer
The '86 - '88 model year injectors use a different resistance level from the '89 - '91 model year injectors. The wiring harness connector on the '86 - '88 injectors is different from the '89 - '91 injectors so you can't install the wrong injector.
There are lot's of little differences like this in the '89 -'91 cars that make an engine swap a challenge.
Best way to do it is to swap the entire wiring harness, ECU, etc. Even that has it's challenges cause some of the connectors under the '86 - '88 dash do not mate up with the '89 - '91 counterparts.
It's not an impossible job, but it's not a bolt in.
The '86 - '88 model year injectors use a different resistance level from the '89 - '91 model year injectors. The wiring harness connector on the '86 - '88 injectors is different from the '89 - '91 injectors so you can't install the wrong injector.
There are lot's of little differences like this in the '89 -'91 cars that make an engine swap a challenge.
Best way to do it is to swap the entire wiring harness, ECU, etc. Even that has it's challenges cause some of the connectors under the '86 - '88 dash do not mate up with the '89 - '91 counterparts.
It's not an impossible job, but it's not a bolt in.
Has been.. hangin' around
Joined: Mar 2001
Posts: 2,618
Likes: 0
From: Milpitas, CA
Actually, the injectors change from 86-87 mid year. Those were low impedance injectors. 87 mid to 88 were hi impedance injectors. 89-91 were hi as well, but not sure if they were the same flow rate or not.
Punkncat is exactly right, just match the ECU with the harness (they are slightly different between 86 and 88).
PaulC
Punkncat is exactly right, just match the ECU with the harness (they are slightly different between 86 and 88).
PaulC
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