New FD Owner
05-22-20, 12:45 PM
#1
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Location: North Carolina
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New FD Owner
Hello everyone!
I recently bought a 1993 Efini RX7 Type R with very low mileage. Since owning the car I have began the pursuit of a delicate balance between reliability/performance/keeping stock appearance (ish).
So far I have replaced all fluids, repaired a rear main seal leak, replaced the clutch and flywheel, and installed an Apexi intake.
The car came with a cat-back exhaust and a Pan Speed chipped ECU. I have ran it on the dyno as a baseline and found it's putting 255hp to the rear wheels. Additionally, I identified that its peak AFR was 13:1 on the third pull.
Obviously this is alarming so I have ordered an Apexi PFC, FC Dataloggit and WBO2 kit in an effort to reduce the AFR back so a safer number.
I also ordered an HKS downpipe to reduce engine compartment temps.
Anyone with advice or tips (especially with tuning a rotary), please hit me up!
I recently bought a 1993 Efini RX7 Type R with very low mileage. Since owning the car I have began the pursuit of a delicate balance between reliability/performance/keeping stock appearance (ish).
So far I have replaced all fluids, repaired a rear main seal leak, replaced the clutch and flywheel, and installed an Apexi intake.
The car came with a cat-back exhaust and a Pan Speed chipped ECU. I have ran it on the dyno as a baseline and found it's putting 255hp to the rear wheels. Additionally, I identified that its peak AFR was 13:1 on the third pull.
Obviously this is alarming so I have ordered an Apexi PFC, FC Dataloggit and WBO2 kit in an effort to reduce the AFR back so a safer number.
I also ordered an HKS downpipe to reduce engine compartment temps.
Anyone with advice or tips (especially with tuning a rotary), please hit me up!
05-22-20, 05:45 PM
#2
Snag up a Supra TT fuel pump and you might be able to just pull those back in check. A Fuel pressure reg wouldn't be a bad idea either!
This forum is full of stuff on tuning RX7's too. I've tuned mine fairly successfully myself on a Haltech and a wide-band.
Check this out! also the FAQ on the forum is fairly robust too.
https://www.rx7club.com/3rd-generati...l-pump-847009/
https://www.rx7club.com/3rd-generati...l-links-68640/
Welcome!
This forum is full of stuff on tuning RX7's too. I've tuned mine fairly successfully myself on a Haltech and a wide-band.
Check this out! also the FAQ on the forum is fairly robust too.
https://www.rx7club.com/3rd-generati...l-pump-847009/
https://www.rx7club.com/3rd-generati...l-links-68640/
Welcome!
05-22-20, 07:57 PM
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Thanks for the good info. That sent me down a pretty deep rabbit whole. I also found some info on guys re-wiring their fuel pump due to excessive voltage drop in their harness. Idle was fine but at WOT they were getting a mere 11V at the pump, causing them to lean out. Interesting.
What kind of knowledge base did you have regarding tuning when you started tuning your FD?
What kind of knowledge base did you have regarding tuning when you started tuning your FD?
05-23-20, 04:17 PM
#5
I tuned civics originally. I've popped a few too. I actually get alot of hate for it but hey it's cheap,easy and fun.
I looked for a challenge to my skills and found it in the Rotary!
I'm pretty much 70% internet trained. The rest came from books,friends and experience.
Look around on how to tune Air Fuel Ratio's aka AFR (easiest part) and then ignition/boost control is really the magic sauce for most looking to make power. Not too much not too little.
The more you understand how a motor works the better you will be at tuning/trouble shooting issues. Youtube has abuncha stuff too. Although forums are mainly what I utilize. I've been lurking for years.
Have fun! It's a fairly deep rabbit hole!
I looked for a challenge to my skills and found it in the Rotary!
I'm pretty much 70% internet trained. The rest came from books,friends and experience.
Look around on how to tune Air Fuel Ratio's aka AFR (easiest part) and then ignition/boost control is really the magic sauce for most looking to make power. Not too much not too little.
The more you understand how a motor works the better you will be at tuning/trouble shooting issues. Youtube has abuncha stuff too. Although forums are mainly what I utilize. I've been lurking for years.
Have fun! It's a fairly deep rabbit hole!
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