2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Old 12-07-05, 07:15 PM
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Cool Ok What You Think

Ok guys here it is....I FINALLY got my car finished and started after months of work.. now its time for me to start putting all of my parts on for the upcomming year...ok guys let me know what you think the car should do with the following...please...

rtek 1.7.
all around 720's.
safc2. Tuned
racingbeat 3.15inch full exhaust.
BNR Stage 3 Turbo(60-1)or might go with turbonetics 62-1(getting for 250)
Isuzu NPR Large front mount w/ 2 1/2 inch intercooler pipes.
Walbro 255 fuel pump.
Plus i'm a wicked *** driver......(Proven)
All of this with my jdm motor. stock ports. (i have a streetported motor waiting just incase)


What times you think is possible with this set-up??? Horse power???


ALSO...I Know you guys arent computers and I know that you wouldnt know for sure but i'm just asking for estimates on HP and Times.....Had to clear that up b4 i get BURNED..

thanks.

Last edited by demahfahbun106; 12-07-05 at 07:45 PM.
Old 12-07-05, 07:17 PM
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350, if it's tuned right.
Old 12-07-05, 07:32 PM
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Originally Posted by Parastie
350, if it's tuned right.
Agreed. Although I might say less than that (practically speaking), because you're putting a lowly S-AFC/R-Tek combo up to a pretty hefty task... Boost might have to be less than the desired "Stage 3" output for safety's sake.
Old 12-07-05, 11:52 PM
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Cool any thing missing???

any one else?? anything not there that should be guys??
Old 12-08-05, 12:05 AM
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FC3Spro.com has a great write-up on 'modification stages' and what's necessary for what power etc. Also included is a rough pricing lay-out.
Old 12-08-05, 12:24 AM
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I would keep you primaries the stock 550cc, and get 720cc for the secondaries of maybe a little fatter. This will help keep it streatable, and it will be easier to tune.

With the setup that your talking about. Granted there's a lot of factors. I would guess 280-300 if tuned right. Now if you went with a standalone, that's another story.
Old 12-08-05, 12:34 AM
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i must just be skeptical but i think 350 would be pushing the limits with that setup.

i'm doing a similar setup with a friends AE and he has a standalone and i doubt he will push past 350 to the wheels if that, plus the fuel needs seem a little on the lean side which is why i say ditch the ECU.
Old 12-08-05, 01:19 AM
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Cool I Need a lil more input

To be honest with you i already have everything on that list except for the front mount and the safc2...Everything is just sitting in my bedroom.lol.. you guys dont think the 300 mark could be reached perfectly unless I go haltek or sumtin? i figure if i can make 300 whp den my car could run maybe mid-high 11's but thats just me...let me know if thats aiming to low?? thanks
Old 12-08-05, 01:23 AM
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You'll need more than 300 to get into the 11's unless you've got that thing extremely gutted.
Old 12-08-05, 01:30 AM
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yeah id say it would at least do mid 12's with decent width street tires with a good clutch
Old 12-08-05, 02:03 PM
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Cool Gutted

My car has no ac, no ps, no heat,no air pump,heater core and vents are all out of the car. engine bay is extremely empty.. is that good enough??beacaue right now its looking to be a cold *** winter and a hot *** summer for me...
Old 12-08-05, 02:39 PM
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^No, you might have saved 100lbs but that is it. If you have a whole TII drivetrain then Im betting you'll still weigh quite a bit over 2700lbs even with all that stuff removed.
Old 12-08-05, 02:48 PM
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Originally Posted by demahfahbun106
My car has no ac, no ps, no heat,no air pump,heater core and vents are all out of the car. engine bay is extremely empty.. is that good enough??beacaue right now its looking to be a cold *** winter and a hot *** summer for me...
low 13's assuming you get a good launch.

By GUTTED... he means.. EVERYTHING.... carpets, sound insulation, head liner, stereo, speakers, all the interior plastic, the door panels, switched over to manual windows/door locks, ditch the spare tire and passenger seat on track day. etc.

And as John Force says "you can spend thousands shaving 1 oz off the car.. but it don't cost nuthin to put the driver on a diet!!!!"

When my car was still pretty much stock with just you basic FCD/safc mods.. I got beat by a guy in an N/A CRX..... i had that guy until 7/8ths way down the track and he eeeked me at the end.. I look in that CRX and there was nothin but a drivers seat, a racing harness and the dash (all that was in it was the gauge cluster, everything elss was gone.

BUT.. how are you going to keep the windows from foggin up without the heater core??????

If you go with the BNR, you be abloe to use the complete RB system.. if you go with the Turbonetics, you'll need an external wastegate manifold and will most likely need to fabrucate a custom downpipe to the RB presilencer.

The BNR will be a bit laggy-er than the turbonetics with the external wastegate, however, it also tepends on what condition the turbonetics is in, being that you say that you can get it for 250, it must be used. Tack on 250-300 for the manifold, and 100+ for the wastegate, the exhaust fabrication, and your in BNR range anyway.....

I've got the BNR Satege III and its well worth the money, especially since i didn't have to change the exhaust i had just bought before the upgrades.

300-325 ECCENTRIC SHAFT HP is about the limit for 4X720's.... Keep that in mind as you upgrade. 300 for 550's/720's

If you haven't done it yet, you should also replace your rear suspension bushings, mounts, etc. Launchin is the key. When you start putting power down, you'll start finding out just how worn your rear suspension parts are. (i know this from personal experience)

Honestly, I haven't dynoed my car, but its ran 12.8 with the mods in my sig. But, i've also run 109 MPH at 14.0 seconds due to horrible launches (Stock tires, wheel hop. dumping the clutch and bogging out, turbo lag.. all sorts of stuff can hurt your time) if you get a 60ft time over 2.3 seconds.. you can pretty much forget about 12's, 13's become really hard at that point as well (with 300Hp that is)

I say low 13's on your car because of the Stock Ports (JDM motor doesn't mean **** to me), The Isuzu IC (its vastly better than stock.. but..) and the r-tek/SAFC and the stock AFM in the way, you also don't list wider rear wheels/tires.

Last edited by YearsOfDecay; 12-08-05 at 03:00 PM.
Old 12-08-05, 02:53 PM
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Yeah.. long post.. I'm bored
Old 12-08-05, 06:09 PM
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Thanks

Originally Posted by YearsOfDecay
low 13's assuming you get a good launch.

By GUTTED... he means.. EVERYTHING.... carpets, sound insulation, head liner, stereo, speakers, all the interior plastic, the door panels, switched over to manual windows/door locks, ditch the spare tire and passenger seat on track day. etc.

And as John Force says "you can spend thousands shaving 1 oz off the car.. but it don't cost nuthin to put the driver on a diet!!!!"

When my car was still pretty much stock with just you basic FCD/safc mods.. I got beat by a guy in an N/A CRX..... i had that guy until 7/8ths way down the track and he eeeked me at the end.. I look in that CRX and there was nothin but a drivers seat, a racing harness and the dash (all that was in it was the gauge cluster, everything elss was gone.

BUT.. how are you going to keep the windows from foggin up without the heater core??????

If you go with the BNR, you be abloe to use the complete RB system.. if you go with the Turbonetics, you'll need an external wastegate manifold and will most likely need to fabrucate a custom downpipe to the RB presilencer.

The BNR will be a bit laggy-er than the turbonetics with the external wastegate, however, it also tepends on what condition the turbonetics is in, being that you say that you can get it for 250, it must be used. Tack on 250-300 for the manifold, and 100+ for the wastegate, the exhaust fabrication, and your in BNR range anyway.....

I've got the BNR Satege III and its well worth the money, especially since i didn't have to change the exhaust i had just bought before the upgrades.

300-325 ECCENTRIC SHAFT HP is about the limit for 4X720's.... Keep that in mind as you upgrade. 300 for 550's/720's

If you haven't done it yet, you should also replace your rear suspension bushings, mounts, etc. Launchin is the key. When you start putting power down, you'll start finding out just how worn your rear suspension parts are. (i know this from personal experience)

Honestly, I haven't dynoed my car, but its ran 12.8 with the mods in my sig. But, i've also run 109 MPH at 14.0 seconds due to horrible launches (Stock tires, wheel hop. dumping the clutch and bogging out, turbo lag.. all sorts of stuff can hurt your time) if you get a 60ft time over 2.3 seconds.. you can pretty much forget about 12's, 13's become really hard at that point as well (with 300Hp that is)

I say low 13's on your car because of the Stock Ports (JDM motor doesn't mean **** to me), The Isuzu IC (its vastly better than stock.. but..) and the r-tek/SAFC and the stock AFM in the way, you also don't list wider rear wheels/tires.

Hey man thanks i really appreciate that..but as for suspension i'm going to order the racing beat 1inch drop springs and front/rear swaybars..but i kno thats not wat u mean by suspension.. but for right now thats all i can afford..i'll let u kno wat happends.. O and i already have the bnr 60-1 i got it for 400 brand new...the 62-1 is practically new was used on the car for 2 months then the car crashed.. think i should still get it?? thanks again

Last edited by demahfahbun106; 12-08-05 at 06:11 PM.
Old 12-08-05, 06:14 PM
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oh another thing

sorry but i 4got to tell you i'm going to be using the stock mesh wheels..
Old 12-08-05, 07:05 PM
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The 720-890 injector combo will work with the S-AFC and RTEK7. The rx7.com fuel calculator shows ~370 FWHP with this setup. But thats just fuel.
Old 12-09-05, 04:15 PM
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Cool Might be doing different

I have changed my mind for now...I am going to be using the stock intercooler,720's secondaries,rtek ecu,safc2,walbro,hks megaflow,and the racingbeat full 3inch exhaust..have everything. waiting right now..cant wait till the weather gets better and the track opens back up....dats till march...think i'm making a good move now?




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