Dyno'd 96 Cobra

Blown Spring GT · #1 (**permalink**) 05-22-09, 10:56 AM

I took to Big Shot Dyno to get a starting point base line numbers.
282rwhp @6200 rpm
275.3rqtq @ 5100rpm

Only mods are in my sig.

281CI96Coupe · #2 (**permalink**) 05-22-09, 03:12 PM

is there anyway to get to 300rwhp, I guess full exhaust (longtubes)

LaserSVT · #3 (**permalink**) 05-22-09, 03:39 PM

Very nice! The 96s always seem to dyno better

My 96 did 299.8 rwhp and all I had was a filter (stock box), O/R H-pipe, cat back and a chip

I miss that car

Blown Spring GT · #4 (**permalink**) 05-23-09, 08:19 AM

Keith at big shot dyno said if i put an intake, headers, mid pipe, and a tune the car will make 310-330 rwhp.

**blackfang** · #5 (**permalink**) 05-23-09, 08:52 AM

I don;t know about 330rwhp. That is well above what everyone is making. In the other thread I told you what you can do to get over 300, and I think 315ish is very doable being your engine is strong, but 330, I don't know.

Blown Spring GT · #6 (**permalink**) 05-23-09, 09:15 AM

Thanks for the info. You are dead on with what it will take to get 300hp. Big Shot Dyno thinks 320-330 is a very reachable number with all the bolt ons and a strong 94 oct tune. He has had 96-98 cars lay those numbers before. I would be very happy with 315 hp.

**blackfang** · #7 (**permalink**) 05-23-09, 09:57 AM

I don't think there is any bolt on only, non intake B headed Cobra making 330rwhp. Even with aftermarket cams and an intake you are looking around 340-350ish w/o port work.I would be very leary about his numbers because you can inflate a dyno number on the dyno.

Blown Spring GT · #8 (**permalink**) 05-23-09, 11:00 AM

I under stand.

**blackfang** · #9 (**permalink**) 05-23-09, 12:36 PM

Heck, check out the other sites to see, but I have never seen it done. Now with port/polish heads/intake and cams it is, but not bolt ons only.

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**Venom351R** · #10 (**permalink**) 06-09-09, 07:32 AM

Were they corrected or uncorrected numbers?

Blown Spring GT · #11 (**permalink**) 06-09-09, 09:36 AM

They were corrected numbers.

**SVT32VDOHC** · #12 (**permalink**) 06-09-09, 10:02 AM

330rwhp...A little high but you can get closer to 300 with the addition of:

Longtube headers: BBK or Kooks. Should be worth 14-20RWHP on an n/a Cobra.

H or X pipe: Catted or non-catted depends on the laws where you live. MI does not have emissions testing so I went non-catted with my 96 Cobra.

Underdrive pullies: Go with Steeda's...should be worth around 10RWHP

Shortened intake runners: Shops have to have done this before I would let them touch mine. This is worth up to 24RWHP on n/a cars. 40RWHP on supercharged cars. It decreases torque though.

Tune: Every tuner can get different amounts of power depending where they put your a/f ratio numbers and timing and spark curve etc...

Keep the stock throttle body because its good for upto 450RWHP.

Blown Spring GT · #13 (**permalink**) 06-09-09, 01:12 PM

I am melting my bank card this friday. I am installing 4.30 gears, slp long tubes, off road x-pipe, and sct tuner. I am looking for 290-305 with that combo. I will tune it and add under drives in a month or so. I don't think I'm going to remove the imrc's????

**SVT32VDOHC** · #14 (**permalink**) 06-10-09, 07:18 AM

Don't remove the IMRC's. My tuner is one of the most reputable in the country and he has never recommended removing those.