S5 T2 JDM/USDM differences
#1
S5 T2 JDM/USDM differences
Did some searching but didn't get the information I wanted. I know the basic engine and turbo is the same but all the posts made mentnion of the fact that there are some other suble differences dealing with emissions etc. Can anyone tell me what these differences are? Got a 90 T2 jdm engine setup to put in one of my first gens, just trying to learn all I can about it before doing the swap. Thanks guys
Sean
Sean
#2
Former Moderator. RIP Icemark.
On S5 Turbo models I don't think there are any differences, other than in emissions equipment there is no pre-cat.
Now S4 models have more Aspec vs Jspec differences, like no EGR, no pre-cats, etc.
Now S4 models have more Aspec vs Jspec differences, like no EGR, no pre-cats, etc.
#3
I'm a boost creep...
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This has been discussed soooo many times...
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/us-vs-japan-fc3s-490591/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/usdm-vs-jdm-13bt2-408897/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/difference-between-usd-jdm-299458/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/whats-difference-between-2-a-287616/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/difference-between-j-spec-us-spec-2nd-gen-74672/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/jspec-horsepower-254724/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/us-vs-japan-fc3s-490591/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/usdm-vs-jdm-13bt2-408897/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/difference-between-usd-jdm-299458/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/whats-difference-between-2-a-287616/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/difference-between-j-spec-us-spec-2nd-gen-74672/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/jspec-horsepower-254724/
#4
Basicly you get to say you have a JDM motor and think your cool
btw i have a j-spec motor in my a-spec 7 it's the same as taking off your emition stuff on a a-spec and in some states you can't get your tagged renewed with out emitions
btw i have a j-spec motor in my a-spec 7 it's the same as taking off your emition stuff on a a-spec and in some states you can't get your tagged renewed with out emitions
#5
Needs more Displacement.
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Originally Posted by jeff_man
Basicly you get to say you have a JDM motor and think your cool
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