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Old 07-29-2009, 11:10 AM   #1
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Default First time on Drag Radials

Scored a good deal on sum MT ET Streets... 275/40/17's
Will have them mounted in the next few days for the track friday.
This will be my first time on Drag Radials. Please advise.
Any tips or stategy would be greatly appreciated.


i.e.
tire pressure
drag back psi
launch rpms
etc.
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Old 07-29-2009, 12:43 PM   #2
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5k RPM launch. Do it.
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Old 07-29-2009, 01:27 PM   #3
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Quote:
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5k RPM launch. Do it.
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Old 07-29-2009, 08:38 PM   #4
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I agree with the 5,000 rpm launch, 15psi, and hold on.
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Old 07-29-2009, 10:01 PM   #5
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It all depends on the track.If its known for ice skateing then i would do a 2500-3000 launch with about 10psi in my bags.
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Old 07-29-2009, 11:10 PM   #6
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sighs
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Old 07-30-2009, 02:50 AM   #7
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In your Sig pic, were is your induction tubing routed too... Just wondering, As for the DR's.... Drop the PSI to around 20, and launch at about 3000k, I wouldnt really suggest anymore do to breaking driveline parts....
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Old 07-30-2009, 08:11 AM   #8
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In your Sig pic, were is your induction tubing routed too... Just wondering, As for the DR's.... Drop the PSI to around 20, and launch at about 3000k, I wouldnt really suggest anymore do to breaking driveline parts....
My induction tube run into the top of my FMIC. My goal is 11's. Would i need to leave harder than that to run 11's ?
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Old 08-06-2009, 05:43 PM   #9
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I run 20-25psi in the bags, and about 16psi in the DR's. On a good day, I could launch around 4500 and stick it. Start around 20psi in the DR's and work your way down by 2psi until they hook for you, but don't go below 15psi.
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Old 08-07-2009, 07:12 AM   #10
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I wasnt kidding about the 5k launch. You have built driveline, you wont hurt it. It's not easy to get our heavy turbo cars out of the hole with a 2-step, you need lots of RPM out of the hole.
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Old 08-07-2009, 07:16 AM   #11
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And fix this on your cardomain:
"9psi-610whp @ only 3800rpm when the pull was aborted b/c I was still on stock cast pistons and compression 10.9:1" - You
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Old 08-10-2009, 12:46 PM   #12
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Quote:
Originally Posted by GTO JIMMY View Post
And fix this on your cardomain:
"9psi-610whp @ only 3800rpm when the pull was aborted b/c I was still on stock cast pistons and compression 10.9:1" - You
ummm that’s what happened. My tuner was shooting for 7psi and it hit 9 instead. He said he was @ just under 4k and I was already at just over 600whp, so he let out. I asked why it shot to 9lbs when 7lbs was target. He said we were reaching optimum efficiency range of the turbos. IDK I was in the back filming. Perhaps he meant I was on my way to that ballpark figure. Either way it was more than i wanted to make on the stock block "safely". The pull is on YouTube. Those were dyno jet numbers. My new numbers are street tune/mustang dyno (668/682)
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Old 08-10-2009, 12:48 PM   #13
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Quote:
Originally Posted by GTO JIMMY View Post
I wasnt kidding about the 5k launch. You have built driveline, you wont hurt it. It's not easy to get our heavy turbo cars out of the hole with a 2-step, you need lots of RPM out of the hole.
I'm still on the stock tranny and diff so I'm sure they will be crushed under a
5k launch lol. At least the diff...
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Old 08-12-2009, 05:03 PM   #14
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I'm still on the stock tranny and diff so I'm sure they will be crushed under a
5k launch lol. At least the diff...
Yeah I was dumping at abour 4k first time on DR's. Stock clutch didn't like that too much but I was dead hooking and bogging like crazy out of the hole. I wanted to do 5k but I still had to drive home. New 3.5 Monster clutch is on the way, and I moved within 10 mi of the dragstrip so we'll see what breaks first on a 5K dump.
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Old 08-12-2009, 05:12 PM   #15
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Yeah I was dumping at abour 4k first time on DR's. Stock clutch didn't like that too much but I was dead hooking and bogging like crazy out of the hole. I wanted to do 5k but I still had to drive home. New 3.5 Monster clutch is on the way, and I moved within 10 mi of the dragstrip so we'll see what breaks first on a 5K dump.
I've done sum wild stuff on this Hendrix clutch, and she hasnt noticed a bit. Clutch appears bullet prove. But I know sumthings gotta give. The only things left on the chopping block are components I cant afford to replace in a timely manner right now.
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Old 08-12-2009, 08:47 PM   #16
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Quote:
Originally Posted by bravoboost View Post
ummm that’s what happened. My tuner was shooting for 7psi and it hit 9 instead. He said he was @ just under 4k and I was already at just over 600whp, so he let out. I asked why it shot to 9lbs when 7lbs was target. He said we were reaching optimum efficiency range of the turbos. IDK I was in the back filming. Perhaps he meant I was on my way to that ballpark figure. Either way it was more than i wanted to make on the stock block "safely". The pull is on YouTube. Those were dyno jet numbers. My new numbers are street tune/mustang dyno (668/682)
I find it more than hard to believe you made over 600rwhp under 4k rpm with your setup, but whatever you say. Im gunna chalk that up there with your claims of 60+mpg on the highway at 100mph.
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I'm still on the stock tranny and diff so I'm sure they will be crushed under a
5k launch lol. At least the diff...
Throw a kaaz diff in, a lingenfelter 2-step and go run 10's.

Edit: So you are trying to say this was only 3800rpms,


But this was redline?


I dunno man it all seems pretty shaky to me. Lets see some dyno sheets proving your claims.
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Old 08-12-2009, 09:09 PM   #17
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The more I look into all the info you say things are not making sense at all. So at 7psi you made 523rwhp on a dynojet, but on 10psi you make 688rwhp on a mustang dyno? So about 750rwhp on a dynojet?

So what you will have me believe is you gained 230rwhp by going up 3psi? I dont care even if the switch from the stock motor to the built one was in there, it doesnt matter. What you are claiming is total BS. Sorry to put you out there like this but man you are making crazy stuff up.

I have been doing this turbo gto thing for a minute, have been through multiple setups. I know what these cars can and cant do, and what you are claiming files under cant do.

Just like in this video:


So you will have me believe that your 523rwhp 3800lbs turbo GTO not only yanked out of the hole but proceeded to put more lengths on a 585rwhp 3200lbs Procharged Fox? So a 600lbs lighter car, that makes 62rwhp more than you and you raped him? Come on man.
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Old 08-12-2009, 10:23 PM   #18
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jimmy makes some good points!! the dyno videos sound the same
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Old 08-13-2009, 12:18 AM   #19
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Vultures.... Lol.... So what, I make 2500 RWHP at 1800 RPM....


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Old 08-13-2009, 09:26 AM   #20
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I can't argue your horsepower claims, I just haven't been in the game long enough to know that possibilities of lsx motors. All I want to know is how I can get 60+ mpg at 101 mph, once I can do that I will believe all your hp claims.
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