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Old 03-23-2012, 04:33 PM   #1
specizripn
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Join Date: Oct 2011
Vehicle: 2003, Mustang, Cobra
Location: MO
Posts: 63
Default What else do I need to build a 700rwhp cobra? E85

Ok so I want to build my cobra to make over 700 rwhp on e85. Im not including allthe transmission and suspension upgrades, I just want advice on the power mods.
I wont replace the stock internals until they break because theres really no need.
This is what I think im getting so far:
-kb 2.8 Liquid Cooled
- 3? Ford gt supercar pump
-80lb injectors
-Long tube and high flow cat exhaust
-ported an polised heads
-all the pullies and whatnot to run high boost and timing on the corn
-high performance coils
-Head cooling mod
-Fore triple pump
-Zone 5 fuel pump driver module
-Bigger MAF
-higher lifting cams

Anything im missing or any changes i should make before i buy the goodies? I dont care about the price really id rather have it built by a friend than buy a used kb cobra that could have been beat on or have build quality issues. Thanks!
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Last edited by specizripn; 03-25-2012 at 02:01 AM.
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Old 03-23-2012, 09:27 PM   #2
redneck racer
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Vehicle: 03 cobra, 83 gt
Location: South Carolina
Posts: 345
Default

You can junk the :

High performance coils, the aftermarket ones for cobra are no better than stock.

And if i were you i wouldnt bother buying the gt pumps or zone 5, just pick up a complete already put together kit from lethalperformance... they take all the guess work out of the equation and send you everything you need including lines and fittings.

At 700+ you better start putting away some cash, most likely your pistons wont like that kind of power for too many miles.
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Old 03-24-2012, 10:44 AM   #3
Blackvenom01
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Vehicle: 2004 TR Cobra
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Default

redneck got it right triple pumps arent really needed just get the whole set up...also your gonna need bigger then 80lbs

you should be able to make well over 700...but the more power the shorter the lifespan of the motor
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Old 03-24-2012, 03:08 PM   #4
Timspony
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Vehicle: 03 & 04 SVT Cobra
Location: Burnt Hills, NY
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Might need 105# injectors with the E85 ..Cobra sounds killer!
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Old 03-24-2012, 03:17 PM   #5
redneck racer
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Vehicle: 03 cobra, 83 gt
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80s are enough for 700. Your tuner can increase the base pressure up or down to help them out alittle. Theres been a few guys run 80s well into the 800s on e-85 with 60lb pressure on the regulator. Im about to go through this delima myself, i dont want to throw out 600+ for 105s, so im going to see how far my 80s will go untill i can afford it.
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Old 03-25-2012, 07:30 PM   #6
Timspony
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^^^ Not sure that's the case with E85!!!! Check with your tuner! My friend with the 2004 CO Cobra (750 rwhp - E85) is currently running 105's .... had 80's, tuner said that wasn't enough because of the volume E85 requires!

Pump gas or race fuel, 80's would be fine....
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Old 03-25-2012, 07:30 PM
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