Street Racing & Kill Stories Basic Technical Questions & Advice

kenne bell vs my z/28

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Old 06-06-2008, 10:45 PM
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Originally Posted by Sarge_13

Did he raise the pulley size to lower PSI? I know a lot of guys do that with the 3.4 Whipple that even bother running it on the street because its just too much power. 700rwhp with all that just doesn't add up. The 3.4 alone should be putting down close to 700 with the stock 3.5 (?) pulley
im not sure about the boost hes putting down or his pulley setup. the 3.4L is a MASSIVE blower and it moves alot of air, but i dont think it will make 700 right out of the box with no tweaking or else 700rwhp cobras would be alot more common.
Old 06-06-2008, 10:49 PM
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Good kill vs the typical cobra with more motor than suspension.
Old 06-07-2008, 12:36 AM
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Originally Posted by Steve C.
im not sure about the boost hes putting down or his pulley setup. the 3.4L is a MASSIVE blower and it moves alot of air, but i dont think it will make 700 right out of the box with no tweaking or else 700rwhp cobras would be alot more common.
your right the 3.4l whipple makes about the same as the kenne bell 2.8h which is about 600-640rwhp depending on tuning
Old 06-07-2008, 06:12 AM
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Originally Posted by brian06eleanor
so he makes 690 rwhp AND you make 450-500rwhp and still pull him?
He pulls him hard out of the hole and the Cobra cant catch up, it is as simple as that.
If someone is a stock ls1 F body tried to race my 9 second Cobra right now, I would get yanked out of the hole by bus lengths and probably not be able to catch him (18" street tires FTMFL). I could not even do a third gear roll without INSTANTLY hitting the rev limiter when I nail it. These threads are the reason that I usually have slicks on my car at all times.

Originally Posted by wichoms4
i was running t-56, ms4, & spray. i was pulling on pulley full exhaust cobras from rolls.
I would hope so!
The average driver in a pullied Cobra runs 12 flat (Although, I have seen full weight pullied Cobras run low 11s)

Either way, Good Kill!


BTW his Combo (KB2.8, cams, built engine) has the potential to go low nines with the right supporting mods (suspension, fuel system, 26-28psi, race gas tune) and a little weight reduction.
Old 06-07-2008, 11:27 AM
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Originally Posted by Sarge_13

Did he raise the pulley size to lower PSI? I know a lot of guys do that with the 3.4 Whipple that even bother running it on the street because its just too much power. 700rwhp with all that just doesn't add up. The 3.4 alone should be putting down close to 700 with the stock 3.5 (?) pulley
iirc doesnt the stock 3.4 pulley come out to about 24lbs then w/ the revised rotors more like 26? either way 20lbs isnt where the 3.4 is going to shine. unless he plans on pulleying down he could have gone w/ a smaller blower and gotten similar results.
Old 06-09-2008, 12:26 PM
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Originally Posted by wichoms4
true i beat the driver, but i race is a race. dead stops realy tell how the car moves. also before i went to a auto, i was running t-56, ms4, & spray. i was pulling on pulley full exhaust cobras from rolls. ill post up the video of me and a ported blower cobra. will post up the video. remeber cam only.
I agree! A race is a race. If a 200hp car beats a 1000hp car that doesn't mean it's a faster car, it means it won the race! And that's one of the best feelings in the world! That's why I LOVE the street!!!

... "t-56, ms4, & spray" then you said "remeber cam only" I'm assuming that this video you're talking about is off the bottle???
Old 06-09-2008, 10:43 PM
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Originally Posted by AaronK
I agree! A race is a race. If a 200hp car beats a 1000hp car that doesn't mean it's a faster car, it means it won the race! And that's one of the best feelings in the world! That's why I LOVE the street!!!

... "t-56, ms4, & spray" then you said "remeber cam only" I'm assuming that this video you're talking about is off the bottle???

dam cant find the video on you tube. but yeah we have a all motor pass & two on the bottle. its was on the 150 wet. on the second run i was on low bottle presure.
Old 06-10-2008, 12:08 AM
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Good Kill Bro!

What color was that cobra?
Old 06-10-2008, 10:35 PM
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Originally Posted by BayAreaSS
Good Kill Bro!

What color was that cobra?
that cobra is mystic. its green then purple.
Old 06-10-2008, 11:23 PM
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Originally Posted by wichoms4
that cobra is mystic. its green then purple.
oh ok. I heard about this run. One of my friends knows the guy who owns the cobra.
Old 06-11-2008, 02:27 AM
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nice kill bro, when you talk you need to back it up.. Guy got pwnt and lost some gas money..
Old 06-11-2008, 09:51 AM
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Great kill, there, OP. This guy said it right:
Originally Posted by AaronK
I agree! A race is a race. If a 200hp car beats a 1000hp car that doesn't mean it's a faster car, it means it won the race! And that's one of the best feelings in the world! That's why I LOVE the street!!!
Old 06-11-2008, 10:26 AM
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Originally Posted by ta_06374
Good kill vs the typical cobra with more motor than suspension.
typical cobra checking in still waiting on you bud.
Old 06-13-2008, 10:37 PM
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Originally Posted by BayAreaSS
oh ok. I heard about this run. One of my friends knows the guy who owns the cobra.
what up, so were you stay out here in the bay? maybe we can get a few runs??




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