MHI FP Red on stock block/head/cams?
Thread Starter
Evolving Member
Joined: Feb 2018
Posts: 154
Likes: 7
From: Sacramento, California
well for me, like letsgetthisdone said, it's a turbo to grow with. It can take me into 600 territory with a built block and supporting mods, which I plan to do in the future.
Originally Posted by kaj
Unless shooting for over 500 or trying to keep things cool for extended road course sessions, I don't see they point in a Red when a smaller turbo would suffice.
If I ran between between 7-8k on a regular basis, I'd DEFINTELY use a bigger turbo. My car makes peak power early, where it lives as opposed to my peak RPM which works for me. Not saying it's for everyone, of course!
Either way, OP plans to be at 600whp soon, so a Red is perfect
. Great choice.P.S. I'd rather have the turbo from the first picture. That sucker makes 500whp much earlier than the others. Shift the gears and do it all over again.
Last edited by kaj; Jan 23, 2019 at 02:46 AM.
My 3B is bigger than a green and it doesn't feel laggy at all to me. I'm debating whether my next step up is going to be a red or black. Seeing as my car isn't a street car I don't really spend much time below 4k so low end grunt doesn't mean much to me and minimizing back pressure is paramount. I do wish the FP stuff was more efficient at lower pressure ratios since I'd be able to eek a bit more out of them without skyrocketing back pressure.
My 3B is bigger than a green and it doesn't feel laggy at all to me. I'm debating whether my next step up is going to be a red or black. Seeing as my car isn't a street car I don't really spend much time below 4k so low end grunt doesn't mean much to me and minimizing back pressure is paramount. I do wish the FP stuff was more efficient at lower pressure ratios since I'd be able to eek a bit more out of them without skyrocketing back pressure.
I can't recall the 3B Turbine wheel size. Is it 54 or 58.8mm? I thought it was 54mm . Aside from Mfreds 530whp there doesn't seem to be a clean data on them.
FWIW, on my stock block/cams 2.0 The Red made 39psi of back pressure at 30psi of boost (500-510whp) on ethanol.Thats pretty acceptable if you think about the 2:1 ratio. With a better flowing head/cams/stroker it makes 556whp at 27psi. Sadly , I do not have backpressure data yet but looking at the graph you can tell its elevated at the high rpm's when pushing 30psi +.
The guys at RS motors ran 28-30psi on a JB green for a few years on 2.2/2.3 IIRC so I would imagine backpressure was up there.
Random,but this is one of the reasons I was sold on the RED. Its filmed with a potato camera but absolutely rips. Nils won for many years with the 2.3/red combo. IIRC it also had a taller final drive (4.11)
Last edited by Abacus; Jan 23, 2019 at 04:14 PM.
Thread Starter
Evolving Member
Joined: Feb 2018
Posts: 154
Likes: 7
From: Sacramento, California
The Red checks a lot of boxes for these cars. A fat powerband (3800-4000 to 8000) Not so small that its an annoying on/off switch and tapers badly. Crankcase pressure/oil supply pressure needs to be in check for the BB units.
I can't recall the 3B Turbine wheel size. Is it 54 or 58.8mm? I thought it was 54mm . Aside from Mfreds 530whp there doesn't seem to be a clean data on them.
FWIW, on my stock block/cams 2.0 The Red made 39psi of back pressure at 30psi of boost (500-510whp) on ethanol.Thats pretty acceptable if you think about the 2:1 ratio. With a better flowing head/cams/stroker it makes 556whp at 27psi. Sadly , I do not have backpressure data yet but looking at the graph you can tell its elevated at the high rpm's when pushing 30psi +.
The guys at RS motors ran 28-30psi on a JB green for a few years on 2.2/2.3 IIRC so I would imagine backpressure was up there.
Random,but this is one of the reasons I was sold on the RED. Its filmed with a potato camera but absolutely rips. Nils won for many years with the 2.3/red combo. IIRC it also had a taller final drive (4.11)
https://www.youtube.com/watch?v=q_fTlR_ZkH4
I can't recall the 3B Turbine wheel size. Is it 54 or 58.8mm? I thought it was 54mm . Aside from Mfreds 530whp there doesn't seem to be a clean data on them.
FWIW, on my stock block/cams 2.0 The Red made 39psi of back pressure at 30psi of boost (500-510whp) on ethanol.Thats pretty acceptable if you think about the 2:1 ratio. With a better flowing head/cams/stroker it makes 556whp at 27psi. Sadly , I do not have backpressure data yet but looking at the graph you can tell its elevated at the high rpm's when pushing 30psi +.
The guys at RS motors ran 28-30psi on a JB green for a few years on 2.2/2.3 IIRC so I would imagine backpressure was up there.
Random,but this is one of the reasons I was sold on the RED. Its filmed with a potato camera but absolutely rips. Nils won for many years with the 2.3/red combo. IIRC it also had a taller final drive (4.11)
https://www.youtube.com/watch?v=q_fTlR_ZkH4
To update, I'm gonna head down to San Jose next Sunday, throw in some S1 cams and do a real tune by Gary Baines on a mustang dyno.
These stock 8 cams are choking it up BADLY up top. But what's funny is, I'm seeing 29 psi by 4k. Stock cams help with spool lol.
That car is moving! Nice to know this turbo will pair well with a 2.3, definitely the route I'm thinking about taking.
To update, I'm gonna head down to San Jose next Sunday, throw in some S1 cams and do a real tune by Gary Baines on a mustang dyno.
These stock 8 cams are choking it up BADLY up top. But what's funny is, I'm seeing 29 psi by 4k. Stock cams help with spool lol.
To update, I'm gonna head down to San Jose next Sunday, throw in some S1 cams and do a real tune by Gary Baines on a mustang dyno.
These stock 8 cams are choking it up BADLY up top. But what's funny is, I'm seeing 29 psi by 4k. Stock cams help with spool lol.
Thread Starter
Evolving Member
Joined: Feb 2018
Posts: 154
Likes: 7
From: Sacramento, California
I did the same for the same reason (then did the springs anyway..long story). Quick, easy swap for a nice little bump. And for a steal of a deal? No brainer and always better than stock.
The Red checks a lot of boxes for these cars. A fat powerband (3800-4000 to 8000) Not so small that its an annoying on/off switch and tapers badly. Crankcase pressure/oil supply pressure needs to be in check for the BB units.
I can't recall the 3B Turbine wheel size. Is it 54 or 58.8mm? I thought it was 54mm . Aside from Mfreds 530whp there doesn't seem to be a clean data on them.
FWIW, on my stock block/cams 2.0 The Red made 39psi of back pressure at 30psi of boost (500-510whp) on ethanol.Thats pretty acceptable if you think about the 2:1 ratio. With a better flowing head/cams/stroker it makes 556whp at 27psi. Sadly , I do not have backpressure data yet but looking at the graph you can tell its elevated at the high rpm's when pushing 30psi +.
The guys at RS motors ran 28-30psi on a JB green for a few years on 2.2/2.3 IIRC so I would imagine backpressure was up there.
Random,but this is one of the reasons I was sold on the RED. Its filmed with a potato camera but absolutely rips. Nils won for many years with the 2.3/red combo. IIRC it also had a taller final drive (4.11)
I can't recall the 3B Turbine wheel size. Is it 54 or 58.8mm? I thought it was 54mm . Aside from Mfreds 530whp there doesn't seem to be a clean data on them.
FWIW, on my stock block/cams 2.0 The Red made 39psi of back pressure at 30psi of boost (500-510whp) on ethanol.Thats pretty acceptable if you think about the 2:1 ratio. With a better flowing head/cams/stroker it makes 556whp at 27psi. Sadly , I do not have backpressure data yet but looking at the graph you can tell its elevated at the high rpm's when pushing 30psi +.
The guys at RS motors ran 28-30psi on a JB green for a few years on 2.2/2.3 IIRC so I would imagine backpressure was up there.
Random,but this is one of the reasons I was sold on the RED. Its filmed with a potato camera but absolutely rips. Nils won for many years with the 2.3/red combo. IIRC it also had a taller final drive (4.11)
That pressure ratio isn't too bad but I definitely wouldn't run a 2:1 on track without a fat wallet. My goal is to run the turbo that will net me the best power under the curve from 4k-8k while remaining at 30psi or lower. 500whp on E85 would be fantastic and that's great to hear you did it with stock cams but I wonder if a black would've made anything more under 30psi?
I'm not sure I'll ever change out the factory final drive and I won't be running a 2.3 but I've thought about stepping up to a 2.2 on a 64 block eventually.
Last edited by Ayoustin; Jan 24, 2019 at 11:07 AM.
That compressor wheel is bigger than the red. The red comp in/ex is 54.8/76. Green comp is in/ex 52.6/73.
The green/red/black turbine is in/ex 67.3/58.8 vs the BBK3B turbine which is in/ex 63.3/53.3. So its way smaller than the red turbine, it's almost FP54 sized, which is in/ex 60.8/54,
The green/red/black turbine is in/ex 67.3/58.8 vs the BBK3B turbine which is in/ex 63.3/53.3. So its way smaller than the red turbine, it's almost FP54 sized, which is in/ex 60.8/54,
That compressor wheel is bigger than the red. The red comp in/ex is 54.8/76. Green comp is in/ex 52.6/73.
The green/red/black turbine is in/ex 67.3/58.8 vs the BBK3B turbine which is in/ex 63.3/53.3. So its way smaller than the red turbine, it's almost FP54 sized, which is in/ex 60.8/54,
The green/red/black turbine is in/ex 67.3/58.8 vs the BBK3B turbine which is in/ex 63.3/53.3. So its way smaller than the red turbine, it's almost FP54 sized, which is in/ex 60.8/54,