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post #1 of 8 (permalink) Old 05-04-2011 Thread Starter
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New Here, 03 Cobra Whipple 2.3

Just introducing myself. I'm new to this forum but have owned my car since 2007. Up until last week it was a pullied Eaton (non-ported) with all supporting mods. Best E.T. was an 11.85 @ 121.3mph on Nitto 555Rs. As of last week, my friend and I both installed Whipple 2.3s, Mafias, 63lb injectors, BAP (he went the twin GT pumps route). We did all of the work ourselves over the course of about 5 weekends. Dynoed tuned them in Harrisburg, PA last Thursday and I put down 601whp on 3" pulley and 93 octane, and 641whp on 2.75" pulley and 100 octane. He did about 1% less respectively. Hit the track Saturday to attempt to break my half shafts and get that over with but could only spin through 1st and 2nd (track is terrible). Best I could pull off due to letting off in first and second gear both was a 12.1 @ 129mph (93 octane tune). I was using 315 Toyo Proxes. Anyone else run them? I can't tell if they are as good as the Nittos or not. I am considering picking up some Mickey Thompson ET Streets for the track.

03 Cobra
Whipple 2.3 ~ 641whp/587ftlb
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post #2 of 8 (permalink) Old 05-04-2011
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Fat Et streets all the way

1991 Mustang GT, Mods : 255LPH HP walbro pump, 24lb Injectors, Borla Exaust and shorty headers, Caster Camber Plates, 80mm Pro-m Mass Air, UPR Boostmaster, Vortech V-1 SC-trim Supercharger Kit.
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post #3 of 8 (permalink) Old 05-04-2011
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from the looks of it you are trying to build a 1/4 mile car, put tou a solid rear axle in that thing and youll be good then.

Red 1999 Cobra Vert:

316.6 rwhp @ 6093 rpms
318.1 rwtq @ 4489 rpms

On Just Bolt-Ons And Stock Exhaust Manifolds.

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post #4 of 8 (permalink) Old 05-04-2011
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Nice numbers, what kind of Boost were you seeing on that 601 pull? My advice for rear tires MT ET STREET SLICKS with the bias ply soft sidewall, your half shafts will thank you.. There's a tubeless size with a contact patch similar to a 315 and they like to see a 10.5 rim!

99 SVT Cobra-Teksid.020(284ci)
Stock HCI,Manley Pistons & H Beam Rods
Polished Vortech V-2,Reichard 3.10/6.75ATI(14lbs Boost)
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post #5 of 8 (permalink) Old 05-05-2011
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I'll add another small piece of advice, run E85 instead of that 100 octane...you'll need a separate tune, but boy does the car run great on it..besides cooling the motor, it will also be much cheaper and cleaner.
I'd also consider just getting a spare set of slicks/wheels for the track
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post #6 of 8 (permalink) Old 05-05-2011
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If he runs E85, he'll have to re-upgrade the fuel supply. Why not just get a 110 octane tune and call it good?? Would be about the same.
+1 on the MT's. Not all Terminators snap their half shafts at the track, though it can and does happen. If you do, just get used ones on ebay or go with a SRA like mentioned. Don't buy the level 5 or whatever other crap is out there. Those have broke at the track too.

-2003 Mustang Cobra
1 of 451 Oxford White #1415
-Violent Work Of Art-
-2003 Ford Lightning
1 of 723 Sonic Blue #113
--13' GT500 TVS powered--
-2005 Expedition XLT--DD
-2013 Ford Escape 1.6T
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post #7 of 8 (permalink) Old 05-05-2011
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I believe he has enough fuel system to handle the E85...he has the bigger injectors, pumps and BAP...also you'd be surprised how much better the car runs on it...the cooling effect makes a huge difference...my Cobra literally gets faster the hotter it is outside...also if some loudmouth is waiting at the light to play "stop light derby" my engine is getting nice and cold at idle while he is heat soaking ...bye bye when the light goes green!
Not to mention the cost..that 110 is like $10/gal...E85 about $3.50
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post #8 of 8 (permalink) Old 05-06-2011
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Most guys that I know run 80lb injectors due to the amount you have to supply and they all all the other upgrades like running a -8 fuel line up to aftermarket fuel rails. But how many places, usually tracks, that have 110 octane vs gas stations that have E85? The BAP and GT pumps, i think, will push it out, but you need more of it. Don't get me wrong though, If you have E85 near you, i would upgrade to use it.

-2003 Mustang Cobra
1 of 451 Oxford White #1415
-Violent Work Of Art-
-2003 Ford Lightning
1 of 723 Sonic Blue #113
--13' GT500 TVS powered--
-2005 Expedition XLT--DD
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