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 Mazda RX-7s
 Turbocharged NA
 Possible turboing my N/A
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n/a
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3 Posts

Posted - Nov 01 2004 :  9:48:33 PM  Show Profile  Reply with Quote
Hello, my name is Nate. I have the chance to turbo my N/A using all turbo parts from a TII, but before even considering this, I wanted to talk to you to find out some information/ask some questions. I have read through your site, but I still have some questions before I start to do this. The story is, my friend has a TII with a blown motor, but everything else is good. He will sell me the entire car for 500 dollars, which means i can also use the TII tranny, rear end, etc. So I will have the manifold, turbo, oil lines, intercooler, etc. from a stock TII. I am planning on modifying the stock TII intercooler to use as a FMIC setup though. I will be doing all the work my self. Heres some questions I have though. Your help would be greatly appreciated.

My car is a s5, not an s4, so can I still do the turbo setup with the higher compression rotors?

Will the TII injectors, fuel pump and a S-AFC be enough for fuel supply?

Is it easier to use the N/A manifolds with a spacer, or modify the TII manifolds and use them?

Will the motor be reliable as a daily driver, because I do use my 7 as a daily driver.

Approximately how much do you think this will cost? Keep in mind I will have EVERYTHING (engine wise) that I need for only 500 dollars. That means, what other costs do you think there will be, S-AFC, etc?

Is there anything else that you recommend that I should replace/upgrade?

Thank you for your time, I greatly appreciate it.
Nate


n/a
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4 Posts

Posted - Nov 02 2004 :  6:49:51 PM  Show Profile  Reply with Quote
Hey my name is Joe. I am tempting to do the same thing. I can answer some of these, The S AFC is about 400.00 , You will not be able to use the turbo 2 intake manifolds, You will nee to use the n.a manifolds. I have a friend making a spacer for the turbo at his machine shop. Oil and coolant lines are going to have tio be fabricated, using brake line or whatever . I have estimated at least 600 to 700 just to turbo my 91 N.A. I will also only run race gas because of the high compression rotor. I dont want to take any chances of detonation. Aaron has a step by step walkthrough of his N.A on this site. My e mail is on my profile if you have any questions.

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n/a
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3 Posts

Posted - Nov 02 2004 :  8:02:19 PM  Show Profile  Reply with Quote
Oh yea, just thought of another question. Aaron, you said you used the stock ECU, but if I have access to a TII ECU, would that be better to use? Thanks for the info. Tennesseerotary, anyone else that can answer my other ?'s that werent already answered?

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Aaron Cake
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Canada
6718 Posts

Posted - Nov 03 2004 :  09:57:59 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
quote:

The story is, my friend has a TII with a blown motor, but everything else is good. He will sell me the entire car for 500 dollars, which means i can also use the TII tranny, rear end, etc. So I will have the manifold, turbo, oil lines, intercooler, etc. from a stock TII.


Why not just rebuild the TII engine and swap it into your NA? Since you have ALL the TII parts...

quote:

My car is a s5, not an s4, so can I still do the turbo setup with the higher compression rotors?


Sure, but it's going to be even more twitchey to tune.

quote:

Will the TII injectors, fuel pump and a S-AFC be enough for fuel supply?


Up to about 8 PSI, yes.

quote:

Is it easier to use the N/A manifolds with a spacer, or modify the TII manifolds and use them?


Probably easier to modify the TII manifolds, if you have all the TII parts already available.

quote:

Will the motor be reliable as a daily driver, because I do use my 7 as a daily driver.


Maybe. Depends on your mechanical ability, tuning ability, and how much you abuse it.

quote:

Approximately how much do you think this will cost? Keep in mind I will have EVERYTHING (engine wise) that I need for only 500 dollars. That means, what other costs do you think there will be, S-AFC, etc?


No idea. Depends on how much you have to oursource, etc. But since you have the entire TII car available, probably not more then $500 or so.

quote:

Is there anything else that you recommend that I should replace/upgrade?


Depends on your goals. I think you'll be best served by rebuilding the TII engine and doing a "proper" swap. Especially based on the questions you are asking.

quote:

You will not be able to use the turbo 2 intake manifolds, You will nee to use the n.a manifolds


You can use the TII manifolds if you port match them to the NA block.

quote:

Aaron, you said you used the stock ECU, but if I have access to a TII ECU, would that be better to use?


Much better.

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n/a
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3 Posts

Posted - Nov 04 2004 :  9:03:45 PM  Show Profile  Reply with Quote
Hey Aaron, thanks for the answers. Yea, I am gonna go through with this and turbo my N/A. I found out that the guy doesnt have the full turbo motor, just the housings, so rebuilding the turbo motor is kinda out of the question. Thank you for your help.

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