How to bullet proof an EFR 8374 setup?
#1
Junior Member
Thread Starter
Join Date: Apr 2016
Location: Tokyo
Posts: 23
Likes: 0
Received 0 Likes
on
0 Posts
How to bullet proof an EFR 8374 setup?
So I've had my mind set on the EFR 8374 turbo for my next upgrade and was wondering if anyone who's used this turbo before can give me some advice on what are the CRITICAL components (Must haves if you wish) that must also go in along with the turbo to avoid any possibilities of a blown engine.
I currently have:
- HKS V-Mount intercooler and radiator system
- Fcon V-Pro and Power FC ECUs
- 3" down pipe, 3" mid-pipe (no cat), 3" titanium Knight Sports exhaust
- 4 x 850cc Denso injectors
- A GTR R34 fuel pump (not sure what the actual flow rate is but is between 250-320lph)
- HKS Boost Controller
All comments or advice appreciated~! Thanks.
I currently have:
- HKS V-Mount intercooler and radiator system
- Fcon V-Pro and Power FC ECUs
- 3" down pipe, 3" mid-pipe (no cat), 3" titanium Knight Sports exhaust
- 4 x 850cc Denso injectors
- A GTR R34 fuel pump (not sure what the actual flow rate is but is between 250-320lph)
- HKS Boost Controller
All comments or advice appreciated~! Thanks.
#3
Junior Member
Thread Starter
Join Date: Apr 2016
Location: Tokyo
Posts: 23
Likes: 0
Received 0 Likes
on
0 Posts
According to them, 4 x 850cc injectors and the Denso GTR pump are more than enough to support up to 550hp. My target boost is around 1 bar (15 psi) and making anywhere between 400-450hp.
#5
Racing Rotary Since 1983
iTrader: (6)
4 850s with a fairly rich AFR are good for 500 hp on gas at 3 Bar static.
the turbo might make 550 if boost gets away from you so you will want some protection in the form of ignition cut.
Howard
the turbo might make 550 if boost gets away from you so you will want some protection in the form of ignition cut.
Howard
Trending Topics
#8
Junior Member
Thread Starter
Join Date: Apr 2016
Location: Tokyo
Posts: 23
Likes: 0
Received 0 Likes
on
0 Posts
What do you think about the stock ignition system? Capable of handling a 450hp tune without upgrading?
#9
Junior Member
Thread Starter
Join Date: Apr 2016
Location: Tokyo
Posts: 23
Likes: 0
Received 0 Likes
on
0 Posts
#10
Junior Member
Thread Starter
Join Date: Apr 2016
Location: Tokyo
Posts: 23
Likes: 0
Received 0 Likes
on
0 Posts
Everyone seems to recommend the IWG for simplicity, durability and cost savings. What do you think?
Currently all the manifolds and piping are all HKS till midpipe. The turbo exhaust manifold has cracked right between the V-flange, like the heat and boost just took a bite thru that steel weld.
Which is why I'm also looking for a manifold that just doesn't crack! I've read that high heat coatings are available to reduce the chance of cracking... but seemed kinda expensive.
Currently all the manifolds and piping are all HKS till midpipe. The turbo exhaust manifold has cracked right between the V-flange, like the heat and boost just took a bite thru that steel weld.
Which is why I'm also looking for a manifold that just doesn't crack! I've read that high heat coatings are available to reduce the chance of cracking... but seemed kinda expensive.
#11
rotorhead
iTrader: (3)
Even though I have written extensively about the Power FC, and there are a lot of good things about it, I think you'd be better off going with something more modern. Rather than going into technical details, let me talk about service. Your location is listed as Tokyo, so I'm going to assume that's accurate for the near future.
If you stick with something Japanese, whether it's an ECU or hard parts, are you going to go to a Japanese tuning shop for service and trust somebody there? Do you have a personal relationship with somebody in that scene? Do you speak and read Japanese fluently? If you don't, and you want a mostly DIY build (including DIY tuning), anything that requires major support (like ECU/electronics) is best purchased from a US/Aus/UK/strong English skills vendor (German is ok for example).
If you stick with something Japanese, whether it's an ECU or hard parts, are you going to go to a Japanese tuning shop for service and trust somebody there? Do you have a personal relationship with somebody in that scene? Do you speak and read Japanese fluently? If you don't, and you want a mostly DIY build (including DIY tuning), anything that requires major support (like ECU/electronics) is best purchased from a US/Aus/UK/strong English skills vendor (German is ok for example).
#14
Junior Member
Thread Starter
Join Date: Apr 2016
Location: Tokyo
Posts: 23
Likes: 0
Received 0 Likes
on
0 Posts
Even though I have written extensively about the Power FC, and there are a lot of good things about it, I think you'd be better off going with something more modern. Rather than going into technical details, let me talk about service. Your location is listed as Tokyo, so I'm going to assume that's accurate for the near future.
If you stick with something Japanese, whether it's an ECU or hard parts, are you going to go to a Japanese tuning shop for service and trust somebody there? Do you have a personal relationship with somebody in that scene? Do you speak and read Japanese fluently? If you don't, and you want a mostly DIY build (including DIY tuning), anything that requires major support (like ECU/electronics) is best purchased from a US/Aus/UK/strong English skills vendor (German is ok for example).
If you stick with something Japanese, whether it's an ECU or hard parts, are you going to go to a Japanese tuning shop for service and trust somebody there? Do you have a personal relationship with somebody in that scene? Do you speak and read Japanese fluently? If you don't, and you want a mostly DIY build (including DIY tuning), anything that requires major support (like ECU/electronics) is best purchased from a US/Aus/UK/strong English skills vendor (German is ok for example).
Yes you're right. I'm in Tokyo so support is extremely important due to the bi-annual inspection that's required on all cars older than 3 years. That's why I have the PFC and the V-Pro till date. However, I believe I need to upgrade the ECU this time round along with the turbo.
The shop I'm now with, Scoot, are famous for their 3 and 4 rotors in Japan. I'm in discussion with them atm but they seem to be OK with using non-Japanese made ECUs like Motec or Link. So like most gearheads on this site, I started reading all forums on ECUs and found that recently there's a lotta hype on the Adaptronic developed outta Sydney. Not only that, I found a pic on the net showing the Adaptronic tuning application in Japanese!!! Sick~
So I was hoping to get some advice or insight from those who's used it before to tell me the good, the bad, and the ugly about that ECU. Preferably by someone who's used a few ECUs before, including that one, so there's real experience and data that his opinion is based on.
#15
Junior Member
Thread Starter
Join Date: Apr 2016
Location: Tokyo
Posts: 23
Likes: 0
Received 0 Likes
on
0 Posts
Our high octane gas here in Japan is 98 and that's all I use. Since I'm concerned with the longevity of my engine, I won't be running any higher than 1 bar. Seems the 8374 will already produce around my target of 400hp at 1 bar anyway, do you reckon I'll still need water injection?
#16
Junior Member
Thread Starter
Join Date: Apr 2016
Location: Tokyo
Posts: 23
Likes: 0
Received 0 Likes
on
0 Posts
1) What boost are you running now and what are your rwhp figures like?
2) Did you port your engine? Modified Apex seals?
3) Did you modify your ignition system?
4) You're using the Power FC as well. Have you had any issues with that?
5) What do you normally use your ride for? Track, street, drift?
6) Do you have the new cast manifold from Turblown? How long have you had that and have you ever taken it off to see what condition it's in after using?
Sorry for the many questions but I'm in dire need to make up my mind on a setup, so anyone who's had prior experience with the gear I'm looking at has very valuable information that I'd love to have. :-)
#17
Our high octane gas here in Japan is 98 and that's all I use. Since I'm concerned with the longevity of my engine, I won't be running any higher than 1 bar. Seems the 8374 will already produce around my target of 400hp at 1 bar anyway, do you reckon I'll still need water injection?
Water injection is a nice safety net to have, even at somewhat lower boost levels. It also has the nice side benefit of helping clean the carbon from your motor.
#18
I think 98 octane in Japan, like in the UK and Australia, would be equivalent to about 93 octane in the US. Some stations do 99-100 octane which would be equivalent to 94-95 in the US. The lowest octane you can buy in the UK is 95 which is equivalent to about 91 octane in the US.
#20
Rotary Freak
iTrader: (21)
To the OP. I am running the Turblown cast manifold. Havent put many miles on it to give a durability comment. Cast manifolds are generally more durable.
-Tuned PFC at ~15-17psi depending on how much I creep. Again, its a safe tune. Feels more than 400rwhp. No issues with the PFC
-Engine has a large streetport with ALS apex seals. I premix w/ a working OMP
-Rx8 plugs w/ OEM Coils and HKS Twin Power
-Car sees ~6 track days a year and many canyon miles. Its more track oriented.
#21
Rx7 Wagon
iTrader: (16)
Not saying its not beneficial, but Ive been tracking my car for years now at 15psi only on pump gas without any issue. Recently, 17psi due to the creep but its still running strong. No voodoo with my engine, just a safe tune and reliable components.
To the OP. I am running the Turblown cast manifold. Havent put many miles on it to give a durability comment. Cast manifolds are generally more durable.
-Tuned PFC at ~15-17psi depending on how much I creep. Again, its a safe tune. Feels more than 400rwhp. No issues with the PFC
-Engine has a large streetport with ALS apex seals. I premix w/ a working OMP
-Rx8 plugs w/ OEM Coils and HKS Twin Power
-Car sees ~6 track days a year and many canyon miles. Its more track oriented.
To the OP. I am running the Turblown cast manifold. Havent put many miles on it to give a durability comment. Cast manifolds are generally more durable.
-Tuned PFC at ~15-17psi depending on how much I creep. Again, its a safe tune. Feels more than 400rwhp. No issues with the PFC
-Engine has a large streetport with ALS apex seals. I premix w/ a working OMP
-Rx8 plugs w/ OEM Coils and HKS Twin Power
-Car sees ~6 track days a year and many canyon miles. Its more track oriented.
Your setup is similar to what I'd like to run one day.
#22
Original Gangster/Rotary!
iTrader: (213)
However, after installing the SBG ignition setup I'd never run anything else. Car runs so much better, smoother. 2016 ignition > 1993 ignition any day.... or 2002 in your case
IGN-1A High Performance Ignition System (FD3S RX-7, LHD Mount) - SakeBomb Garage LLC
#23
Junior Member
Thread Starter
Join Date: Apr 2016
Location: Tokyo
Posts: 23
Likes: 0
Received 0 Likes
on
0 Posts
Not saying its not beneficial, but Ive been tracking my car for years now at 15psi only on pump gas without any issue. Recently, 17psi due to the creep but its still running strong. No voodoo with my engine, just a safe tune and reliable components.
To the OP. I am running the Turblown cast manifold. Havent put many miles on it to give a durability comment. Cast manifolds are generally more durable.
-Tuned PFC at ~15-17psi depending on how much I creep. Again, its a safe tune. Feels more than 400rwhp. No issues with the PFC
-Engine has a large streetport with ALS apex seals. I premix w/ a working OMP
-Rx8 plugs w/ OEM Coils and HKS Twin Power
-Car sees ~6 track days a year and many canyon miles. Its more track oriented.
To the OP. I am running the Turblown cast manifold. Havent put many miles on it to give a durability comment. Cast manifolds are generally more durable.
-Tuned PFC at ~15-17psi depending on how much I creep. Again, its a safe tune. Feels more than 400rwhp. No issues with the PFC
-Engine has a large streetport with ALS apex seals. I premix w/ a working OMP
-Rx8 plugs w/ OEM Coils and HKS Twin Power
-Car sees ~6 track days a year and many canyon miles. Its more track oriented.
#25
Junior Member
Thread Starter
Join Date: Apr 2016
Location: Tokyo
Posts: 23
Likes: 0
Received 0 Likes
on
0 Posts
Kinda bummed that someone else in Japan has beaten me to the 8374 setup tho. Lol~