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Old May 28th, 2009, 11:11 PM   #1
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open headers


How much will I gain by running open headers and 125. Dry shot on street tires, carxruns 13.1 @108 on street tires now

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Old May 28th, 2009, 11:15 PM   #2
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how much will you van?
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Old May 28th, 2009, 11:38 PM   #3
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Originally Posted by mikegilbert810 View Post
How much will I gain by running open headers and 125. Dry shot on street tires, carxruns 13.1 @108 on street tires now
Not enough info...try again.
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Old May 29th, 2009, 12:01 AM   #4
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You will gain a loud headache and prob run 12.5's at 111
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Old May 29th, 2009, 12:08 AM   #5
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no need for open headers. use the power you have. your mph is there for 12's just need to get the car to leave
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Old May 29th, 2009, 12:13 AM   #6
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what heads/intake/exhaust do you have on the car now?
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Old May 29th, 2009, 12:15 AM   #7
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also i have long tube headers going into (cut to fit) stock h pipe and mufflers.
i have only sprayed a 150 shot with the exhaust on, next track outing will be open headers to see what happens.
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Old May 29th, 2009, 05:22 AM   #8
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personally i wouldent spray on street tire's, unless the "street" tires your talking about are mickey thompson ET street radials
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Old May 29th, 2009, 07:59 AM   #9
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Originally Posted by mikegilbert810 View Post
How much will I gain by running open headers and 125. Dry shot on street tires, carxruns 13.1 @108 on street tires now
probably not as much as you'd gain with a pair of sticky tires
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Old May 29th, 2009, 10:21 AM   #10
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Originally Posted by R0B0T View Post
what heads/intake/exhaust do you have on the car now?
port and polish e7 cobra intake long tubes magnatlow, I'm using cooper cobras and getting 2.0 60s, I'm gonna get slicks and try it too but I want to know what the car runs on the street since I only hit the track 3-4 times a year
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Old May 29th, 2009, 10:25 AM   #11
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Originally Posted by 88_FiveOh View Post
no need for open headers. use the power you have. your mph is there for 12's just need to get the car to leave
that mph108 is without the spray too I never Installed the nos yet, do u think Id hit 11,s with nos and slicks ?
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Old May 29th, 2009, 10:35 AM   #12
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What cam? Stock cam? Run open header....add more fuel
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Old May 29th, 2009, 11:14 AM   #13
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Originally Posted by mikegilbert810 View Post
that mph108 is without the spray too I never Installed the nos yet, do u think Id hit 11,s with nos and slicks ?
yes.

heres of picture of my GHETTO exhaust, i think i should gain a little with open headers LOL

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Old May 29th, 2009, 11:21 AM   #14
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if your going to run slicks, do you have sf connectors? torque box reinforcement? if not i'd hold on the slicks unless you wanna go for the pretzel look
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Old May 29th, 2009, 02:37 PM   #15
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Originally Posted by R0B0T View Post
yes.

heres of picture of my GHETTO exhaust, i think i should gain a little with open headers LOL

LOL that's funny picture
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Old May 29th, 2009, 02:40 PM   #16
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Originally Posted by baine21225 View Post
if your going to run slicks, do you have sf connectors? torque box reinforcement? if not i'd hold on the slicks unless you wanna go for the pretzel look
yeah j got sub frame connectors no torque box reinforcement tho?
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Old May 29th, 2009, 02:43 PM   #17
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Originally Posted by 93mustank View Post
What cam? Stock cam? Run open header....add more fuel
b303
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Old May 29th, 2009, 02:59 PM   #18
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you should be fine if you have subframe connectors welded and on. i dont think reinforcing your torque boxes is totally neccessary yet...are you planning on launching on nitrous?
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Old May 29th, 2009, 03:25 PM   #19
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Originally Posted by grnstang View Post
i dont think reinforcing your torque boxes is totally neccessary yet
with slicks, it absolutely is necessary, that is unless you like having to go back and do more work than you would have had to do to reinforce them in the first place.

an ounce of prevention is worth a pound of cure.
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Old May 29th, 2009, 03:29 PM   #20
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Originally Posted by grnstang View Post
you should be fine if you have subframe connectors welded and on. i dont think reinforcing your torque boxes is totally neccessary yet...are you planning on launching on nitrous?
yeah I think so. I'll prolly launch at about 3500-4000 on spray ya think thatis too much rpm
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