2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Bolt On Turbo?

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Old Aug 29, 2005 | 08:24 PM
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Bolt On Turbo?

anyone know where i can find a bolt on turbo for a s5 t2?
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Old Aug 29, 2005 | 08:25 PM
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do a search for bnr hybrid

or go to www.rx7store.net
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Old Aug 29, 2005 | 08:31 PM
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oh ok so the bnr turbos bolt right on? didnt know that, thanks sleeper
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Old Aug 30, 2005 | 12:45 PM
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BNR turbos DO bolt right on.
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Old Aug 30, 2005 | 04:03 PM
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if you get one, ur going to have to upgrade your fuel, and prob get a fmic
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Old Aug 31, 2005 | 08:19 AM
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http://fc3spro.com/TECH/MODS/TURBO/comphy.htm


-Ted
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Old Sep 6, 2005 | 12:17 AM
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been searchin for almost half hour and cant find so im gonna ask...

what mods would i need with stage 4 bnr ?

i have walbro 255lph, 720 greddy secondaries, rtek 1.7, ported wastegate, 3' exhuast, front mount intercooler. would i need anything else with the stage 4 bnr?
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Old Sep 6, 2005 | 12:40 AM
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A stand alone alot more fuel. Try a set of 920cc secondarys and move your 720cc to P and a FPR and modify the fuel system to use the FPR.

60trim as far as I know so so fits on stock manifold but someone with it will chime in or Brian will. Guitarjunkie just hit 402whp on a custom stage 3 on Sam's car.
Someone with this turbo will chime in or Brian may. Last time I checked Brian had a couple manifolds he would let go at a great price and get you a turbo built.

I thought a stage 3 60trim was the largest Brian had......

Last edited by iceblue; Sep 6, 2005 at 12:53 AM. Reason: fixing some confushion
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Old Sep 6, 2005 | 12:44 AM
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stage 4 fits on my stock s5 mani
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Old Sep 6, 2005 | 12:44 AM
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Originally Posted by RidicilousRx7
been searchin for almost half hour and cant find so im gonna ask...

what mods would i need with stage 4 bnr ?

i have walbro 255lph, 720 greddy secondaries, rtek 1.7, ported wastegate, 3' exhuast, front mount intercooler. would i need anything else with the stage 4 bnr?
decide on how much power you want to make.

research support mods for that much horsepower.

decide what turbo it will take to reach your goal. dont get a huge turbo and not plan to mod everyting else. getting a stage 4 if you are only willing to mod to 300bhp is silly.

right now you have the fuel for about 300 fly wheel hp.
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Old Sep 6, 2005 | 01:00 AM
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Do they make bolt on's for NA S5's?
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Old Sep 6, 2005 | 01:03 AM
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the reason im going bnr is because i dont wanna play around with stand alone, big hassle since no one up here can tune, so i was wondering if i can get 350rwhp ish before later going to bigger turbo and stand alone... so the injectors arnt gonna cut it ?? damn...
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Old Sep 6, 2005 | 01:06 AM
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Originally Posted by BlueS5
Do they make bolt on's for NA S5's?
I make a turbo manifold that fits n/a and turbo 2nd gen rx7s for t04 turbos...

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Old Sep 6, 2005 | 01:10 AM
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Originally Posted by RidicilousRx7
the reason im going bnr is because i dont wanna play around with stand alone, big hassle since no one up here can tune, so i was wondering if i can get 350rwhp ish before later going to bigger turbo and stand alone... so the injectors arnt gonna cut it ?? damn...
the need for a standalone and the mods needed bepend on how much horse power you plan to make.

the turbo, what ever turbo, needs to be sized to make the power you plan to make.

if 350 is your goal then search for the mods needed for 350. decide what turbo you want to make 350 on... and how much boost you plan to run to make it.
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Old Sep 6, 2005 | 01:16 AM
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well like i said,
hopefully bnr stage 4, 15psi. so i asked what other mods besides mine are necessary for 350rwhp, im gettin my motor rebuilt and large streetport this winter. i heard people running stage 3/4 with 720/720 combo so i thought id ask, i tried re searching by reading 10 pages of search results from bnr turbos but didnt find the answers i was looking for.
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Old Sep 6, 2005 | 01:41 AM
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sleeperfc love the avatar, that turbo manifold is expensive, and turbos are cool, kinda liek sliced bread.
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Old Sep 6, 2005 | 03:14 AM
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Wow, the exhuast and intake manifolds look bigger than the rotor housings!
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Old Sep 6, 2005 | 06:48 AM
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well i have a bnr stage 4 with 4x720cc rtek1.7 fmic street port and a few other goodies and i am dyno'ing it in 5 hours so i will let you know what i hit going to run as high psi as i have the fuel for 14-17psi i will let you know later tonight
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Old Sep 6, 2005 | 08:07 AM
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^do you only use the r-tek to controll the 4x720's? or do you have an safc (or something similar) too?
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Old Sep 6, 2005 | 09:28 AM
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i also have an safcII
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Old Sep 6, 2005 | 11:45 AM
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let us know what your numbers are
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Old Sep 6, 2005 | 11:55 AM
  #22  
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Originally Posted by RidicilousRx7
anyone know where i can find a bolt on turbo for a s5 t2?

http://www.rx-7.com/store/rx7/fcturbo.html
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Old Sep 6, 2005 | 12:33 PM
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Well acording to Guitarjunkie there is no such thing as a BNR4 the 60trim is a 3 and Brian made him a custom turbo hybrid that was a bit bigger then a 3 b/c he did not have anything larger just a few weeks ago. So WTF is this 4 and whats the trim? untill then im calling BS.
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Old Sep 6, 2005 | 12:36 PM
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Maybe it has to do with the other side of the turbine.
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Old Sep 6, 2005 | 12:40 PM
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don't call bs on the stage 4. If you look it's right on the rx7store.net website actually it used to be but they changed it up. SonicRat has a stage 4 as well. Basically its the same thing as a stage III but with a ptrim I believe so that the stock hotside isn't so constricted so that more boost can be had with it.
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