J-Spec 13b
#3
Not much. Just some emission equipment. Check this out:
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/whats-difference-between-2-a-287616/
#4
Following posted by Jason-NZConvertible:
No EGR (S4)
No AWS
Different ACV with no split air solenoid
FPR and PD in opposite locations
Twin-scroll actuator on opposite end of exhaust manifold (S4)
No thermovalve on TB
No air bleed to secondary injectors (S4)
No EGR (S4)
No AWS
Different ACV with no split air solenoid
FPR and PD in opposite locations
Twin-scroll actuator on opposite end of exhaust manifold (S4)
No thermovalve on TB
No air bleed to secondary injectors (S4)
#5
Former Moderator. RIP Icemark.
Originally Posted by rotary revolution 7
Is there any difference between a J-Spec 13B or 13B that came in American RX-7s
All Jspec FC engines are Turbo.
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#8
T2 Duo!
iTrader: (6)
What exactly are you trying to accomplish? A swap or a replacement?
Last edited by tuscanidream; 04-11-13 at 07:13 PM.
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