Alright, lets forget all of the B.S...Turboing a non turbo (again)
#27
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I have done some research. And here is what I have came up with. You can turbo the N/A but do to the 9.4:1 compression you can run much more than 8psi. I would suggest rebuilding your engine using turbo II rotors (8.5:1 comression)(if your car has high miles) or using FD rotors (if they fit). This will allow the right compression to run your turbo to 15+ psi. And istead of using the turbo II hood you can mount the intercooler up front. This will give you a denser charge of air. And it keeps your car pretty stealthy until they hear the Blow Off Valve (BOV). (Hoses might look ugly but my friend did this on his turbo II and he picked up about 7hp. It may not seem like much but then he was able to turn up the boost to 16.5 psi.)
I would also try and use the FD's MAF. More air=more power (bigger air inlet). Then I would upgrade the injectors ,so the car won't run pasts a 50% duty cycle (relibality issues). I would also drop in the turbo II clutch or use something from the aftermarket. This will handle the increased horse power. And don't forget to upgrade the exhaust 3" downpipe to a 2.5" catback (if duals are kept). I know that I haven't said anything about computer managment but a turbo II computer should do you fine. There are plenty of other people who have talked about the ignition system and what more. That is what I would plan to do. But if the rebuild is to costly than you are limited to 8psi (my estimate).
I hope that your project works out well best of luck to you.
I would also try and use the FD's MAF. More air=more power (bigger air inlet). Then I would upgrade the injectors ,so the car won't run pasts a 50% duty cycle (relibality issues). I would also drop in the turbo II clutch or use something from the aftermarket. This will handle the increased horse power. And don't forget to upgrade the exhaust 3" downpipe to a 2.5" catback (if duals are kept). I know that I haven't said anything about computer managment but a turbo II computer should do you fine. There are plenty of other people who have talked about the ignition system and what more. That is what I would plan to do. But if the rebuild is to costly than you are limited to 8psi (my estimate).
I hope that your project works out well best of luck to you.
#28
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I thought the title of this thread was to "cut the BS", not add to it. It would be appreciated that unless you have first hand experience with this, don't post. Guessing helps no one, and spreading misinformation is even worse. As Icemark said, this topic should be closed because all of this information is already availabe. In fact, there is probably more information on turbocharging an NA on this forum then anything else.
I'm assuming you meant "can't". Not true at all, I and others have run much more then 8PSI. Tuning, fuel and intercooling is important.
If you're going to do this, you might as well just buy a J-spec TII engine.
That's just stupid.
Um, the FD uses a "speed density" EFI system that doesn't have an AFM. Even if it did, it likely would NOT fit the FC. The AFM is also not a restriction until you get into significantly high (400+) HP.
Upgraded injectors are required, but not because of duty cycle. The stock 460CC NA injectors simply can't handle the amount of fuel required, even at 100% duty cycle.
"Dropping in" a TII clutch requires the use of the entire TII drivetrain, starter and clutch slave cylinder. It is not a simple swap.
Huh? I can't even make sense of this statement. No stock RX-7 has a 3" exhaust.
A TII ECU will work fine, but with the addition of an S-AFC so will the NA ECU. Ideally, you will want to go standalone.
You have no idea what you are talking about. I should have just deleted this post, but I felt like correcting it. Please don't post misinformation in the future.
Originally Posted by bluejay128
I have done some research. And here is what I have came up with. You can turbo the N/A but do to the 9.4:1 compression you can run much more than 8psi.
I would suggest rebuilding your engine using turbo II rotors (8.5:1 comression)(if your car has high miles) or using FD rotors (if they fit). This will allow the right compression to run your turbo to 15+ psi.
they hear the Blow Off Valve (BOV). (Hoses might look ugly but my friend did this on his turbo II and he picked up about 7hp. It may not seem like much but then he was able to turn up the boost to 16.5 psi.)
I would also try and use the FD's MAF. More air=more power (bigger air inlet).
Then I would upgrade the injectors ,so the car won't run pasts a 50% duty cycle (relibality issues).
I would also drop in the turbo II clutch or use something from the aftermarket.
This will handle the increased horse power. And don't forget to upgrade the exhaust 3" downpipe to a 2.5" catback (if duals are kept).
I know that I haven't said anything about computer managment but a turbo II computer should do you fine.
But if the rebuild is to costly than you are limited to 8psi (my estimate).
I hope that your project works out well best of luck to you.
I hope that your project works out well best of luck to you.
#29
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Aaron Cake and SonicRat are the guys to listen to on this topic. My S5 NA engine will be rebuilt turboed hopefully by spring. I'll probably turbo the S4 in the car now so i can get the intake piping and turbo piping setup before the new engine is in.
Which reminds me. Aaron have you finished your project? Last update was you getting the engine put together. What's going on now???
Which reminds me. Aaron have you finished your project? Last update was you getting the engine put together. What's going on now???
#30
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There has been a bunch of misc. work on Project Tina. Bodywork, wiring, little things, etc. Not enough interesting stuff to really warrent an update post, but work is getting done. It will be slow once the cold weather comes, but should be done by spring/summer.
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eh sorry to bring this back from the dead, but due to my searching (search police you should be proud!) i found this and had a question
Porting the TII intake to fit onto the NA block with 6 ports, does this mean that you are adding two ports to the TII LIM that are functional as in air/fuel pass through them? I don't own a TII obviously, and if I had the manifold in front of me, i wouldnt be asking this.
Porting the TII intake to fit onto the NA block with 6 ports, does this mean that you are adding two ports to the TII LIM that are functional as in air/fuel pass through them? I don't own a TII obviously, and if I had the manifold in front of me, i wouldnt be asking this.
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No, you're not adding any more ports to it. You're making the one port large enough so that it flows air to both ports on the block. Search for HAILERS and manifolds and you should find a thread by him with pictures of porting the TII manifold to work.
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eh, didn't find anything
https://www.rx7club.com/search.php?searchid=300917
I get the idea now though. I think this is the way to go, I really want to avoid the custom flange idea cause it sure as hell isn't the best way. Porting a TII manifold will avoid a few issues that the flange idea brings on.
thx sonicrat
https://www.rx7club.com/search.php?searchid=300917
I get the idea now though. I think this is the way to go, I really want to avoid the custom flange idea cause it sure as hell isn't the best way. Porting a TII manifold will avoid a few issues that the flange idea brings on.
thx sonicrat
#34
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Ok i have a few quick questions this is so far what I have decided to do.
S5 Turbo II turbo and manifold(on its way here)
Going to port the wastegate asap as big as will go
3" Turbo back exhaust(on its way here)
Turbo II upper and lower intake manifold
Custom vmount intercooler
I still need to figure out what BOV I need and I'm planning on upgrading the secondaries to 550 maybe all 4 to 55cc. I already have the 255lph walboro.
But my problem is ECU, I plan to run the stock NA ECU but which one, I currently have a 88 GXL thats running a S5 NA motor and intake manifold with the stock 88 GXL ECU tuned with a SAFCII. But should i keep the S4 NA ecu or use the S5 NA ECU thats in my parts car?
S5 Turbo II turbo and manifold(on its way here)
Going to port the wastegate asap as big as will go
3" Turbo back exhaust(on its way here)
Turbo II upper and lower intake manifold
Custom vmount intercooler
I still need to figure out what BOV I need and I'm planning on upgrading the secondaries to 550 maybe all 4 to 55cc. I already have the 255lph walboro.
But my problem is ECU, I plan to run the stock NA ECU but which one, I currently have a 88 GXL thats running a S5 NA motor and intake manifold with the stock 88 GXL ECU tuned with a SAFCII. But should i keep the S4 NA ecu or use the S5 NA ECU thats in my parts car?
#37
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Originally Posted by BlaCkPlaGUE
eh, didn't find anything
https://www.rx7club.com/search.php?searchid=300917
I get the idea now though. I think this is the way to go, I really want to avoid the custom flange idea cause it sure as hell isn't the best way. Porting a TII manifold will avoid a few issues that the flange idea brings on.
thx sonicrat
https://www.rx7club.com/search.php?searchid=300917
I get the idea now though. I think this is the way to go, I really want to avoid the custom flange idea cause it sure as hell isn't the best way. Porting a TII manifold will avoid a few issues that the flange idea brings on.
thx sonicrat
http://www.nopistons.com/forums/inde...47434&hl=turbo
#39
Now with the popularity of Drift that has most people wreck their cars I hope they part them out so their is either no more NA's on the face of the earth or their are no more t2 engines and wiring harnesses so we can end this fucken bullshit once and for all. The biggest mistake mazda ever made was making the FC NA. But corrected it with the 3rd gen. Get over it. Their is no "Kit" for turbo'ng a NA. Come to reality and buy a base t2 to start building or buy one that is already modded. But god damn stop wasting all of our time with dumbshit like supercharging my NA or bolting a turbo to my NA. Damn if you wan the 50 more HP you will get just run a straight pipe instead of cats and go to pepboys and buy a NOS kit and be done with it. It will last about the same so don't say something stupid like "I don't want to blow my engine"
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You, are a jackass. Just thought I'd let you know.
Originally Posted by Bukwild
Now with the popularity of Drift that has most people wreck their cars I hope they part them out so their is either no more NA's on the face of the earth or their are no more t2 engines and wiring harnesses so we can end this fucken bullshit once and for all. The biggest mistake mazda ever made was making the FC NA. But corrected it with the 3rd gen. Get over it. Their is no "Kit" for turbo'ng a NA. Come to reality and buy a base t2 to start building or buy one that is already modded. But god damn stop wasting all of our time with dumbshit like supercharging my NA or bolting a turbo to my NA. Damn if you wan the 50 more HP you will get just run a straight pipe instead of cats and go to pepboys and buy a NOS kit and be done with it. It will last about the same so don't say something stupid like "I don't want to blow my engine"
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Originally Posted by Bukwild
Now with the popularity of Drift that has most people wreck their cars I hope they part them out so their is either no more NA's on the face of the earth or their are no more t2 engines and wiring harnesses so we can end this fucken bullshit once and for all. The biggest mistake mazda ever made was making the FC NA. But corrected it with the 3rd gen. Get over it. Their is no "Kit" for turbo'ng a NA. Come to reality and buy a base t2 to start building or buy one that is already modded. But god damn stop wasting all of our time with dumbshit like supercharging my NA or bolting a turbo to my NA. Damn if you wan the 50 more HP you will get just run a straight pipe instead of cats and go to pepboys and buy a NOS kit and be done with it. It will last about the same so don't say something stupid like "I don't want to blow my engine"
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He's not a dumbass, he's just venting, don't turn it into a flame war. I completely understand where he comes from and what he meants, but it's ignorant in the sense that this stuff CAN be done fairly easily, and once you get past the n00bs asking for a kit (which is what his anger should be directed at). This is why he's a jackass only.
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Originally Posted by SonicRaT
He's not a dumbass, he's just venting, don't turn it into a flame war. I completely understand where he comes from and what he meants, but it's ignorant in the sense that this stuff CAN be done fairly easily, and once you get past the n00bs asking for a kit (which is what his anger should be directed at). This is why he's a jackass only.
#46
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That post is directly on the line. Please, no flames or otherwise inflamitory comments. If such things happen, I'll clean up the thread. If it happens a 2nd time, the thread is gone.
#47
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so if i rebuild my na motor, what would i need to do to it to get the longevity of a lower compression t2 motor? which do you think would be cheaper/better (cost vs.power/reliablility) t2 swap or turbo conversion?
#48
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Originally Posted by rs_1101
so if i rebuild my na motor, what would i need to do to it to get the longevity of a lower compression t2 motor? which do you think would be cheaper/better (cost vs.power/reliablility) t2 swap or turbo conversion?
Im turboing my NA, because i feel its cheaper than buy a whole new T2 block, and i also like custom work.