1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Twin Turbo FB?

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Old 05-19-10, 05:38 PM
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Here's what I have. Various actuators, a full rat's nest of solenoids, a Y-pipe, and both inlet pipes. I'll drop all of this stuff in a box and mail it to you for $100.


Sorry for the camera phone pic.
Old 05-19-10, 06:52 PM
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Sooo very tempting. Ill let you know when i get the rest of the parts from the guy i got the twins for. If hes dosnt have it all or its messed up ill take it all.
Old 05-19-10, 08:13 PM
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Sounds good to me.
Old 05-21-10, 07:30 AM
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ARGHX, I found these just thought id let you know http://www.surplusshed.com/pages/item/r3041.html. Im more than confident that these WILL NOT work with thise. Cause there just not gonna be able to hadle the heat. But 50 PSID is well more than what i would hope to achieve. If only they could work lol
Old 06-17-10, 06:51 AM
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Good luck buddy, those sequential FD turbos look pretty damn complicated. Have you thought about trying a non sequential twin setup, would be much easier I reckon..
Old 06-17-10, 06:58 AM
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Originally Posted by Oneiros
Good luck buddy, those sequential FD turbos look pretty damn complicated. Have you thought about trying a non sequential twin setup, would be much easier I reckon..
Thanks, Naa not right now. Id like to keep them sequential. Non sequential may blow my motor. I hear when there non, They spool like crazy and hit like 15 pounds of boost
Old 06-17-10, 07:31 AM
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Old 06-17-10, 07:42 AM
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Originally Posted by jshiz
Judo chop ur facepalm. Whats with that any way?
Old 06-17-10, 09:45 AM
  #59  
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Originally Posted by Verneuil
... Yes i am a dreamer. I had a 2008 Ford Mustang before my FB. Does that show you im a dreamer? I had over 3 grand in mods. And now shes gone. I had huge dreams when i had her, Ive had huge dreams for every vehicle that ive had. The Stang was the closest that ive been to having everything that i wanted. But shes no more. Now i have dreams for the FB, Id like to pioneer this twin turbo setup if its possible. So far im the only one to post about doing a twin FB. So that takes me a step ahead of everyone else. I put words into Action.
Sorry, I just had a really hard time understanding this whole papragraph so I added my totally unhelpful comments below:

"I had a 2008 Ford Mustang before my FB. Does that show you im a dreamer?" No it doesn't show me anything. What does that mean? Why does a Mustang make you a dreamer? Mediocore and mundane maybe, but I have never heard of Mustangs and dreams being associated (unless the dream was that it was a cool car).

"I had over 3 grand in mods. And now shes gone. I had huge dreams when i had her..." Did she leave you? Maybe $3k was not enough and she wanted to be with someone with a pocketbook deep enough to truely make her fast. Define "huge dreams". Are they about huge woman? Do you now have insomnia?

"So far im the only one to post about doing a twin FB. So that takes me a step ahead of everyone else. I put words into Action." Search, people have talked about it before. Check the FC section as most people try it with FC engines. I don't know if any of what you said "puts you ahead" of "everyone" but sure. I guess that answers my question about what you mean by "huge dreams"--pipe dreams maybe?
Old 06-17-10, 09:59 AM
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Originally Posted by mikeric
"So far im the only one to post about doing a twin FB. So that takes me a step ahead of everyone else. I put words into Action." Search, people have talked about it before. Check the FC section as most people try it with FC engines. I don't know if any of what you said "puts you ahead" of "everyone" but sure. I guess that answers my question about what you mean by "huge dreams"--pipe dreams maybe?
This sounds harsh, but lots of things sound easy when you've never done it before. I'm curious what kind of a background you have in engineering or mechanics, that could add to your credibility.
Old 06-17-10, 10:59 AM
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Originally Posted by Verneuil
Thanks, Naa not right now. Id like to keep them sequential. Non sequential may blow my motor. I hear when there non, They spool like crazy and hit like 15 pounds of boost
other way around. non sequential is very laggy, boost builds very slow
Old 06-17-10, 11:41 AM
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Well if he wants to dream and try new things there's nothing wrong with that

i don't know much about FD twins but it looks like an ambitious and difficult project, especially if your inexperienced. there's nothing bad about that but be realistic.. I'd be bailing out before the ship sinks, save yourself a lot of frustration

my 2c.. Sell the sequentials and get a couple of jdm 12a turbochargers, should be pretty cheap, there's enough of a challenge in that and unique as well, without over extending yourself

end rant
Old 06-17-10, 01:19 PM
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Well, Been working on cars for about 10 years now. High school I did mechanics, Welding, Fabricating, Machining, And forging. Competed in the Ford AAA skills competition. Was in the Ford ASSET program, Wich is fords internship program to become a tech for ford. But that wasnt working out too well so i joined the United States Coast Guard and became a Electronics Technician. I have done soo much. Its hard to say what i havnt done. Ive got the brains to do this. All i need is the parts time and money. And at this moment ive got various parts coming in only need to get a couple of things now and start the slow install of all the parts to get this going. As long as i dont run into clearance issues with the stock intake. But i do have a solution for that if its dosnt work out.
Old 06-17-10, 01:42 PM
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Fair enough, sounds like youve got it covered

good luck with it, I'll be keen to hear how you go
Old 06-17-10, 02:53 PM
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But the real question is WHY DO YOU WANT TO. You want twins so bad, and you're such a hotshot, then build a REAL twin setup that actually works. Howard Coleman comes to mind...

Why are you wasting your time on a design that is pretty much proven CRAP
Old 06-17-10, 06:00 PM
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Originally Posted by tasty danish
But the real question is WHY DO YOU WANT TO. You want twins so bad, and you're such a hotshot, then build a REAL twin setup that actually works. Howard Coleman comes to mind...

Why are you wasting your time on a design that is pretty much proven CRAP
Where did I say I was a hotshot? Because I do not see myself as one. I see myself as a pioneer. Well a real twin setup would be amazing. I want to do this to say that I did. And show ppl what i can do. And why not, Its fun as hell. I get all this negativity from ppl. Theres always a critic, And i want to prove to them it can be done.
Old 06-17-10, 11:38 PM
  #67  
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I think we all understand that you want to be a "pioneer" and get a Twin Turbo FD powered FB into place. I applaud your zeal to get it done.

But the reality is, - even if you were to get it done..What will that accomplish? I dunno. Not bragging rights of any kind. Nobody here sees it as a goal.
In the end it would just be another improperly done Turbo FB, that would probably run like crap (especially carburated),
and blow up when the twin system you are playing with fails. Then of course you would blame the "crappy rotary" and go back to Stangs.

Keep in mind that the (twin turbo) system you want to use is very limited, complicated and provides absolutely no performance advantage over a properly sized single turbo system.

This is why all the FD "sequential" and "Twin" turbo guys all salivate at the thought of single Turboing their FD's. It's a much simpler, reliable, affordable way of making ALOT more power.

Especially with all the advancements in turbo technology over the last 17 years to make single turbos respond much better than the original OEM twin system.

Trust me, I have not seen a single OEM "twin-turbo" FD, keep up with my
car, in any gear, at any speed.

If I were you, I wouldn't concentrate on doing something "first", but doing something "best". Especially when it comes to the very expensive world of turbocharged rotaries.

Take the advice with a grain of salt, and plan accordingly. Everybody here only wants you to be happy with your car.

Good Luck.

Last edited by Directfreak; 06-18-10 at 12:07 AM.
Old 06-18-10, 01:25 AM
  #68  
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I highly agree with directfreak, if youve never seen his fb check it out on youtube. seriously its amazing,


but besides all that IMHO one nice polished shinny big turbo sitting on the side your your 12a is much cleaner and sexier looking than the ugly stock twin setup, ive always thought they look crude and goofy.
Old 06-18-10, 01:48 AM
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but hey an dont let mine and all these other guys doubts keep you from your goal here sometimes you just gotta do something for the reason of being unique, you might end up redoing it all later with a single turbo but for now keep yourself motivated, take your time and do the best that you can do and youll have something nice in the end you can be proud of.
Old 06-18-10, 09:27 AM
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Thanks, Ill be plowing through this. Im not doin this for braggin rights more along the lines of that wow factor. Yes i could got with a very good single. But whats the challenge in that? Haha, Im already plannin on getting another stang. I loved that car. She was new, Had some good power, Pretty fast. And SEXY Ill be keepin ya posted on this so dont worry.
Old 06-18-10, 11:02 AM
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i have a question for arghx. im thinking about running the FD twins in a parallel setup. looking over the diagrams it appears as though the pre-control valve on the secondary turbo functions the same way as a wastegate. could i join the wastegate actuator arm onto the precontrol actuator arm, and use them together as twin wastegates.

its either that or welding them up entirely and getting an external wastegate i guess.

thanks.
Old 06-18-10, 11:24 AM
  #72  
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Originally Posted by Oneiros
i have a question for arghx. im thinking about running the FD twins in a parallel setup. looking over the diagrams it appears as though the pre-control valve on the secondary turbo functions the same way as a wastegate. could i join the wastegate actuator arm onto the precontrol actuator arm, and use them together as twin wastegates.

its either that or welding them up entirely and getting an external wastegate i guess.

thanks.
yeah something like that. in practice you just leave both actuators there, and give them the same signal.

no welding needed!
Old 06-18-10, 08:59 PM
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Originally Posted by j9fd3s
yeah something like that. in practice you just leave both actuators there, and give them the same signal.

no welding needed!

Oh awesome, thanks. That's quite convenient isn't it
Old 06-19-10, 04:21 AM
  #74  
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lol twin turbo fb this forum is great now i wanna see someone build a quad turbo 12a fb...with nos!haha
Old 06-19-10, 09:15 AM
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Originally Posted by rxmadness
lol twin turbo fb this forum is great now i wanna see someone build a quad turbo 12a fb...with nos!haha
BUt a 4 rotor at that


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