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Discuss the RB20, RB25 and RB26 series engines.
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BoostFab
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Car: S13cp, S13fb, S14z
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Quote »R/T .66360' 2.101330' 65.7661/8 [email protected] mph1/4 [email protected] mph[/quote]with slicks or drag radials, i believe you can break 12-secs


dekand
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Imissmyturbo wrote:Nice #'s! I ran friday night too with my RB25 S13. I have 3" turboback exhaust and 10 psi of boost. I also have a cone filter. This is my best run

60ft 2.1391/8 9.026 @ 79.78 MPH1/4 13.810 @ 104.76

I dynoed 230 WHP 3 weeks ago. I am running stock clutch with my street tires. I am ready to buy some good rubber for the rear. What size will fit on the stock S13 wheels? I am thinking of going ES100's or Azenis.


230 seems low for the mods, you still running smic?

not a bad time though, considering a bad clutch and crappy tires...

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rbsileighty
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Car: 92 S13 Hatch w/ RB20 & 05 Audi S4 Avant 6MT

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He has that Hybrid FMIC, the one that has been discussed recently, if I'm not mistaken. Try this calculator for the ~HP and what 100lbs will do (two birds one stone):http://www.turbofast.com.au/Drag.html

As far as tires, jump on the suspension forum... some smart guys on there for that question.

Imissmyturbo
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dekand wrote:230 seems low for the mods, you still running smic?

not a bad time though, considering a bad clutch and crappy tires...


I still have the stock SMIC. I have an FMIC in my garage. Once that is on I plan to run 12 psi and see what she will do.

f150intally
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I bought a second pair of stock alloys from a junkyard for $60 and mounted some BFGoodrich G-Force T/A Drag Radials 225-50-15 on them. I just switch them out when I get to the track.

-Jay


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