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Old Nov 2, 2011 | 08:03 PM
  #1  
A13BRX7's Avatar
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From: ohio
OH New to posting, not new to reading thease forums!

Hello fellow rx7 enthusiast,

For year's I have been searching thease archives for the secret mysteries of RX7's. I have been on a on going build for 2 1/2 years now, which is nearing completion.
I recently decided to start posting and try to get some personal feed back from some professionals.

I recently completed a NA build up on a 1990 FC. Went full boat on the build. Would appreciate any further insight on mod's I could have left to finish that I may have over looked. I will make my list of mods below, feel free to comment or not, either way a little rx7 banter wouldn't hurt anyone.

RB alum fly wheel
Excedy stage 2 clutch/pressure plate/throw out bearing /braided clutch line
Custom FR bumper mount ram air
Full dual exhaust 2 1/2 inch all the way back to small canisters
microtech lt-10 with x4 box
walboro 255 internal pump, with a Bosch 507 external
braided fuel lines with a fuel pressure reg set at 40 psi
modified fuel rail, cut end off and welded a barb fitting on for braided attachment for continuous flow, the stock rail was causing pressure issues.
5th and 6th port removed/ acv as well
Fresh seals/coolant/apex
full on bridge port. *no turbo possibly later on with minimal boost*
Had internal bearings pressed on at a shop, was trying to get reliability, when moving the red line to 10,000RPM
*DID NOT change injectors just cleaned and replaced* *help*
Megan coil-overs, alum sway bar end links, alum sway bars, top/bottom
Koyo radiator with samco radiator hoses
FD dynamics variable speed fan, harnessed into the microtech
*new coils, but replaced with stock*

That's most everything. I'm open to chat about help tuning or mod's I have missed.
Car has yet to be dyno ran. I'm currently doing 87 octane with a 1oz to 1 gal mix using watercraft 2 stroke. I would like to think it could reach mid 200's in a dyno HP read out.
Run's well at the moment, but aim in need of a professional tune and dyno session, if anyone that reads this lives in Ohio and can help with a tune, feel free to post.

Thanks,

Brendt
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Old Nov 5, 2011 | 10:36 AM
  #2  
Aaron Cake's Avatar
Engine, Not Motor
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Ditch the stock intake and use a set of ITBs. The stock intake is holding you back.
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Old Nov 6, 2011 | 01:50 PM
  #3  
A13BRX7's Avatar
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From: ohio
ITB's

Originally Posted by Aaron Cake
Ditch the stock intake and use a set of ITBs. The stock intake is holding you back.
i have had a hell of a time finding a site/seller for ITB's. Do you have a link or know someone to talk to about them?
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Old Nov 7, 2011 | 09:26 AM
  #4  
Aaron Cake's Avatar
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From: London, Ontario, Canada
http://www.tweakit.net/shop/index.php
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Old Nov 8, 2011 | 05:10 PM
  #5  
A13BRX7's Avatar
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From: ohio
Originally Posted by Aaron Cake
now aren't thease beautiful. Although 900 + shipping is a little bit steep. Do you have any clue on the numbers they can produce. % of hp gain from adding thease on. I would hope it would be significant hp gain, or else its just 900 dollar eye candy.
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