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post #1 of 9 (permalink) Old 10-27-2010, 07:43 PM Thread Starter
The Parts Guy
 
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Location: Imperial, Missouri (near St. L
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New best ET for the XR7

A few of us St. Louis guys went over to Gateway last night for the last test n tune session. My goal for the night was to beat my previous best of a [email protected] MPH (set at the 2009 SC/XR7 Shootout).

I ran 17 psi in the slicks and set the shift points to 6500 rpm for the first pass, which netted a [email protected] MPH with a 1.818 60'. I dropped the air pressure in the slicks down to 16 psi and lowered the TC lockup point in second gear by 1.5 MPH. Everything else was left alone for the second (and last) pass. I was pleasantly suprised by a two-tenths drop and one MPH gain just from those two changes, putting a [email protected] MPH on the board. The 60' dropped to 1.781 on that pass. The DA hovered around 1000' all night, with the actual corrected ET's being [email protected] MPH and [email protected] MPH.

I'm still working out the bugs. I need to go to a larger methanol nozzle, as the ACT's are still hitting 215-220 by the time I'm in third, causing the tune to pull a ton of timing and not making the power it should in the second eighth. I also need to have the opportunity to run more than just two passes per outing. I know I can drop the ET more with a few tweaks to the tune, but I need to be able to make more than two passes in a row to see if I'm changing things in the right direction.

Anyway, I'm still pleased. Here's a vid:

http://s6.photobucket.com/albums/y20...036MPHPass.mp4

Rod @ AzzKicker Cars
[email protected]
90 XR7-The Meth Addict-KB SC'd 5.0L DOHC Stroker
2004 Mustang GT-The Driver-Intake/Exhaust/3.73's
1995 F150 4x4-The Mud Toy-5.0L/4R70W/33's/Warn 8274 Winch
94 LX w/Splitport 3.8L from 2000 Mustang - SOLD
2 - 90 35th Anny Ed SC's
And a TON of parts cars!

Last edited by racecougar; 10-27-2010 at 07:52 PM.
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post #2 of 9 (permalink) Old 10-27-2010, 09:41 PM
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Congrats on the new best.

Stay after it. It'll all come together.

Steve
1996 Cougar XR7 Special Edition (Street & Strip)
"There's a bad, built NA 4.6L COMING Spring-Summer 2018"

Elite member of the Halfshaft snapping, Auburn eating, Tranny crunching, Piston Melting, Tire lifting, 500+ lb ft Torque Club.

Cougar ET-Stock 4.6 shortblock/Stock PI headswap Bullitt NA 12.94 @ 105+
Nitrous 11.75 @ 114 MPH

2008 Ford Powerstroke 6.4 TT F250 4X4 Supercrew: 12.82 @ 105 MPH

"IN MEMORY OF MY FRIENDS JOEL BENDER 1979-2006", JOHNNY LANGTON 1975-2011, and MICHAEL VIVERETTE 1953-2013"
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post #3 of 9 (permalink) Old 10-27-2010, 10:06 PM
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Nice runs!

pics of my car
http://forums.tccoa.com/showthread.p...ght=train+yard

Updated 10/14/11
3800 Dirty Dog installed and drag radials
13.0 @ 106.5 1.79 60ft
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post #4 of 9 (permalink) Old 10-28-2010, 11:33 AM
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Rod,

Congrats on the big improvment over last years numbers.

David

PS: Did your sister get any video of my car ?

1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
2016 SRT Challenger Hellcat..................707HP/650TQ
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post #5 of 9 (permalink) Old 10-28-2010, 11:43 AM
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Quote:
Originally Posted by Rayo View Post
Way to go Rod!..Nice times!



Rayo...

Yes sir very nice

2017 Mustang GT 5.0L 2nd gen, cold air box,tune,6 speed auto,RGR 3.31, Magnaflow Tru X-pipe ,GT350RStrips
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post #6 of 9 (permalink) Old 10-29-2010, 05:34 PM Thread Starter
The Parts Guy
 
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Thanks everybody. I have plans that should up the power level a bit over the winter. I just hope Gateway opens back up next year.


Quote:
Originally Posted by David Neibert View Post
PS: Did your sister get any video of my car ?
I have video of your 10.88 pass, but she didn't get the 10.28 (she was back at the pits when you ran that one).

Rod @ AzzKicker Cars
[email protected]
90 XR7-The Meth Addict-KB SC'd 5.0L DOHC Stroker
2004 Mustang GT-The Driver-Intake/Exhaust/3.73's
1995 F150 4x4-The Mud Toy-5.0L/4R70W/33's/Warn 8274 Winch
94 LX w/Splitport 3.8L from 2000 Mustang - SOLD
2 - 90 35th Anny Ed SC's
And a TON of parts cars!
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post #7 of 9 (permalink) Old 10-29-2010, 05:36 PM
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Congratulations Rod!

I knew you could get more out of that car.

I've been very busy with work or I would have sent my congrats along sooner...

Mods? Yea, I got mods ...
Air silencer delete, warp drive, dilithium crystals, flux capacitor, Slingshot Rubber band power adder, Moonshine & Gas, Leaf Blower Supercharger, Hamster Wheel & Hamster, Energizer Bunny generating 1.21 gigawatts, Mr. FusionŽ Home Energy Reactor, hover conversion and a sextant celestial navigation system (The original GPS)
Best 1/4: 1,320 nanoseconds @ 670,616,629.2 miles per hour

"There isn't that much difference anymore between spacecraft, aircraft and modern automobiles..." - Keith Henry, NASA's Langley Research Center
See a list of my real mods and pictures of my car HERE. The true performance of my car was made possible by the Carolinas Crew Chief, RobertP at Rob's Tire & Auto
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post #8 of 9 (permalink) Old 10-29-2010, 06:51 PM
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Congrats!
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post #9 of 9 (permalink) Old 11-05-2010, 06:39 PM Thread Starter
The Parts Guy
 
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Thanks peeps. The plan is to hop up to a 625 ml/min nozzle to try to cure the high ACT's so that the car doesn't fall on its face in the second eighth mile, and to swap out the stock 96-98 Cobra throttle body for a Accufab big oval. As it is now, boost is dropping off 1 psi per 1K rpm above 5000 rpm. Considering that I'm between 4800 - 6800 rpm all the way down the track, swapping the throttle body should have a pretty decent effect on E.T.'s.

Rod @ AzzKicker Cars
[email protected]
90 XR7-The Meth Addict-KB SC'd 5.0L DOHC Stroker
2004 Mustang GT-The Driver-Intake/Exhaust/3.73's
1995 F150 4x4-The Mud Toy-5.0L/4R70W/33's/Warn 8274 Winch
94 LX w/Splitport 3.8L from 2000 Mustang - SOLD
2 - 90 35th Anny Ed SC's
And a TON of parts cars!
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