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12a turbo questions
Ok I have been outta the rx7 game for a while and went to building Honda's (yea yea) but I want to get back in to the rx7 game cause it is my favorite motor or motors...well I have searched for hours and still unsure bout somethings....which is better for a turbo setup on the 12a drawback or blowthrough? Next I know I want to go bridgeported and something like a 48ida...also with this will or can I use a fuel management system...one more thing is there turbo kits that can be bought or do I just piece them together and fab the innercooler piping...
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And I'm lookin to be somewhere in the 250whp range..
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Check mine out the video is in the signature. its turbo and bridge ported
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For just 250whp I don't think a bridgeport is what you want. A streetport will just about any turbo will get you there. A BNR upgraded TII turbo and a streetport will get you 250-350, same port with a bigger turbo can get closer to 500 or more. All the porting terms are just general shapes, the actual size of the port can be VERY different between two "streetports"
Blowthrough is much better than drawthrough, use fuel injection if you can afford it. There are some old kits floating around, but most likely you'll need to piece together your own kit. |
Originally Posted by coldy13
(Post 10387778)
For just 250whp I don't think a bridgeport is what you want. A streetport will just about any turbo will get you there. A BNR upgraded TII turbo and a streetport will get you 250-350, same port with a bigger turbo can get closer to 500 or more. All the porting terms are just general shapes, the actual size of the port can be VERY different between two "streetports"
Blowthrough is much better than drawthrough, use fuel injection if you can afford it. There are some old kits floating around, but most likely you'll need to piece together your own kit. |
You can start of getting a 12A-T motor set for a great price if you want 12a and turbo
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From reading the 12a-t motors really don't see much gain from boosting...or am I misunderstanding something...
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12at motors have lower compression rotors
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UGHHHH! This question must come up 1,000,000,000,000,000,000,000 times a day. Look in the archives, there is a thread by Manny (MoreMazda) that walks you through step by step of setting up a blowthrough set-up on a 12a. I can tell from your original post that you deffinitely have NOT searched. Because if you had all of these rudimentary questions would have already been answered. Hell I just posted in another thread a week ago why a street driven turbo car won't benefit from a bridgeport.
Don't take this the wrong way, but this is coming from a guy that is smack dab in the middle of a 12a blowthrough conversion. There is WAY MORE that enough information already posted to get you started, and just to put it in perspective for you; I've been planning and educating myself about this project for the last 3 years. You need to have a good solid understanding of what you're doing before you ever start tearing anything apart. Learn how to rebuild your motor, learn how to do your own porting, learn to tune a carb because all of these are necessary components to a well running turbo motor. Again, nothing personal, but every joker comes on this board and thinks they can turbo there 12a for $500 and make 250-300 hp. Then, undoubtedly, they ask the same questions....... "How do I turbo my 12a?" "How do I fuel inject my carb?" "What kinda PCM do I need to get for my Weber carb?" As you can understand it gets a little tiring. Here's the straight truth on a 12a turbo set-up. 1. Whatever you think it's going to cost... take that magic number in your head and TRIPLE it. Then you'll be close. 2. Take the time you think it's going to take to complete the project and DOUBLE it. 3. Finally, when you think you'v read everything there is to turboing your 12a, and you feel confident you know everything...... read everything again. Ok.... I'm getting of my soapbox now. Carry on... |
:whipit:,,,,search man search
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Originally Posted by 81WideMariah
(Post 10388519)
UGHHHH! This question must come up 1,000,000,000,000,000,000,000 times a day. Look in the archives
Because if you had all of these rudimentary questions would have already been answered. Again, nothing personal, but every joker comes on this board and thinks they can turbo there 12a for $500 and make 250-300 hp. Then, undoubtedly, they ask the same questions....... "How do I turbo my 12a?" "How do I fuel inject my carb?" "What kinda PCM do I need to get for my Weber carb?" As you can understand it gets a little tiring. 1. Whatever you think it's going to cost... take that magic number in your head and TRIPLE it. Then you'll be close. 2. Take the time you think it's going to take to complete the project and DOUBLE it. 3. Finally, when you think you'v read everything there is to turboing your 12a, and you feel confident you know everything...... read everything again. Ok.... I'm getting of my soapbox now. Carry on... "want" to say, yet I show restraint (because I am a moderator). Kudos!! - well said. |
Originally Posted by 81WideMariah
(Post 10388519)
UGHHHH! This question must come up 1,000,000,000,000,000,000,000 times a day. Look in the archives, there is a thread by Manny (MoreMazda) that walks you through step by step of setting up a blowthrough set-up on a 12a. I can tell from your original post that you deffinitely have NOT searched. Because if you had all of these rudimentary questions would have already been answered. Hell I just posted in another thread a week ago why a street driven turbo car won't benefit from a bridgeport.
Don't take this the wrong way, but this is coming from a guy that is smack dab in the middle of a 12a blowthrough conversion. There is WAY MORE that enough information already posted to get you started, and just to put it in perspective for you; I've been planning and educating myself about this project for the last 3 years. You need to have a good solid understanding of what you're doing before you ever start tearing anything apart. Learn how to rebuild your motor, learn how to do your own porting, learn to tune a carb because all of these are necessary components to a well running turbo motor. Again, nothing personal, but every joker comes on this board and thinks they can turbo there 12a for $500 and make 250-300 hp. Then, undoubtedly, they ask the same questions....... "How do I turbo my 12a?" "How do I fuel inject my carb?" "What kinda PCM do I need to get for my Weber carb?" As you can understand it gets a little tiring. Here's the straight truth on a 12a turbo set-up. 1. Whatever you think it's going to cost... take that magic number in your head and TRIPLE it. Then you'll be close. 2. Take the time you think it's going to take to complete the project and DOUBLE it. 3. Finally, when you think you'v read everything there is to turboing your 12a, and you feel confident you know everything...... read everything again. Ok.... I'm getting of my soapbox now. Carry on... |
Originally Posted by Acrite3404
(Post 10388916)
Ok I am very knowledgeable about building turbo cars...and this is not my first rx7 build either so I know it's not gonna cost 500 to turbo...my thing is I wanna make enough power to have an 11-10sec 7....so I only ask the questions to get a direct answer instead of going through hours of threads to find the answer...and as long as it took u to write that message u coulda been a nice dude and put a couple links to answer my questions...
i have spent more than 6 k in my 12a turbo. BB T72 TURBONETICS TURBO MICROTECH ECU INTECOOLER EXHAUST MANIFOLD MADE BY GATO PERFORMANCE THROTTLE BODY 4 INJECTORS LOW COMPRESSION ROTORS ENGINE REBUILD AND PINNED FUEL PUMP AND REGULATOR RB INTAKE ETC ETC ETC |
Originally Posted by boriquaguerrero
(Post 10388975)
i have spent more than 6 k in my 12a turbo.
BB T72 TURBONETICS TURBO MICROTECH ECU INTECOOLER EXHAUST MANIFOLD MADE BY GATO PERFORMANCE THROTTLE BODY 4 INJECTORS LOW COMPRESSION ROTORS ENGINE REBUILD AND PINNED FUEL PUMP AND REGULATOR RB INTAKE ETC ETC ETC |
The motor pinning and low compression rotors aren't cheap. I think if you plan on running over 300hp you need studs or pins, I think people have made closer to 400 without them, but that's pushing it and asking for cracked plates. Pinning every tesnion rod hole isn't necessary, 5 is good, I've heard 2-3 is all you really need.
For 250rwhp you don't need them, but if you want to run 10-11's 250hp won't get you there without serious weight reduction. |
Originally Posted by Acrite3404
(Post 10389043)
That included the labor too rite??
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Originally Posted by Acrite3404
(Post 10388916)
Ok I am very knowledgeable about building turbo cars...and this is not my first rx7 build either
Originally Posted by Acrite3404
(Post 10388916)
so I know it's not gonna cost 500 to turbo...my thing is I wanna make enough power to have an 11-10sec 7.
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^ I agree!
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Originally Posted by Directfreak
(Post 10389120)
:bsmeter:
:newbie: |
You should know, DirectFreak has got an awesome turbo setup....and if you're ever looking for quality advise....he's one of the 10 or 15 guys on this forum that you should ALWAYS listen to.
If you're looking for free advise....might not want to alienate that dude.... but you're a big boy....do what you want.:lol: |
Originally Posted by Directfreak
(Post 10389120)
:bsmeter:
:newbie: Like Pat said.... Alex (Directfreak) is one of the pioneers of turbo swaps and has one of the nastiest FD swapped FB's you'll find anywhere. The point is this... you're not even willing to put in the work to find the info that you need, how in the hell are you going finish a turbo build??? The questions you are asking showcase your level of in-experience. This may not be your first turbo car build.... but you're leaving the land of $400 ebay turbo kits for D16's. Rotaries are expensive.... they are unforgiving of ignorance.... and they WILL bite you in the ass if you lack experience. You may not like what I'm saying, BUT I might just save you a few thousand dollars and a few months of your time. That, AND we real rotorheads won't have another wannabe boy-racer standing over in Honda-land spouting off about how rotaries are un-reliable and they blow up if you look at them weird. In life you either do the work or pay someone else to do it for you..... you're just looking for a handout, and this isn't the place to get spoon fed. Hit up the FAQ's/Archives and start reading..... or shell out the cash and take it somewhere to get it done. I'M OUT! |
Originally Posted by 81WideMariah
(Post 10389304)
Like Pat said.... Alex (Directfreak) is one of the pioneers of turbo swaps and has one of the nastiest FD swapped FB's you'll find anywhere. The point is this... you're not even willing to put in the work to find the info that you need, how in the hell are you going finish a turbo build???
The questions you are asking showcase your level of in-experience. This may not be your first turbo car build.... but you're leaving the land of $400 ebay turbo kits for D16's. Rotaries are expensive.... they are unforgiving of ignorance.... and they WILL bite you in the ass if you lack experience. You may not like what I'm saying, BUT I might just save you a few thousand dollars and a few months of your time. That, AND we real rotorheads won't have another wannabe boy-racer standing over in Honda-land spouting off about how rotaries are un-reliable and they blow up if you look at them weird. In life you either do the work or pay someone else to do it for you..... you're just looking for a handout, and this isn't the place to get spoon fed. Hit up the FAQ's/Archives and start reading..... or shell out the cash and take it somewhere to get it done. I'M OUT! http://i27.photobucket.com/albums/c1...4/0e9ba29c.jpg http://i27.photobucket.com/albums/c1...4/cf52e60d.jpg That rite there alone is about 7500 worth of build...so like I said I am no rookie in the turbo game period...it's all pretty much the same concept wit a tweak here and there...all I was lookin for was a direct answer not to be told to search...all the shit talkin you guys are doing coulda been time used to either help me wit some links or answered the questions.... |
dude to take it personal is never going to end well.
Heard the phrase when in rome do as the romans do? Must of the folks hear prefer the search option, I can apprecaite there is tons of info to digest and sometimes it seems like the info conflicts from one thread to another and kind of generating more questions then you started with. But bottom line either your going to go down a proven path (using someone elses setup) or starting from scratch. Me personally I'd prefer dialog to help me understand something if I have a question. Do you attend any local rotary meets? Where else would you find a guy/gal more willing to talk about their setup ;) To get insulted and start shooting stuff back will most likely result in not getting any answers, granted costs of a project will never be the same for reasons such as what someone can do themselves versus paying someone else and where they may be able to source needed parts Mind you I am not "one of the guys" just expressing my point of view. My money is on it will get the same response as when talk to the kids and wife lol bottom line good luck with the build! |
looks unfinished ...... has it ran yet?
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Originally Posted by 13x
(Post 10390543)
dude to take it personal is never going to end well.
Heard the phrase when in rome do as the romans do? Must of the folks hear prefer the search option, I can apprecaite there is tons of info to digest and sometimes it seems like the info conflicts from one thread to another and kind of generating more questions then you started with. But bottom line either your going to go down a proven path (using someone elses setup) or starting from scratch. Me personally I'd prefer dialog to help me understand something if I have a question. Do you attend any local rotary meets? Where else would you find a guy/gal more willing to talk about their setup ;) To get insulted and start shooting stuff back will most likely result in not getting any answers, granted costs of a project will never be the same for reasons such as what someone can do themselves versus paying someone else and where they may be able to source needed parts Mind you I am not "one of the guys" just expressing my point of view. My money is on it will get the same response as when talk to the kids and wife lol bottom line good luck with the build! |
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