Launching vids...cant 60 at all - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 20 Old 10-07-2008, 11:58 AM Thread Starter
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Launching vids...cant 60 at all

whats going on here?? i have taken all the susp measurements and my IC is only 30" and the AS is 158%




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post #2 of 20 Old 10-07-2008, 12:10 PM
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doesn't look like you have very much front end travel. car unable to roll over center to get the weight back.

Where does the car scale? what are your front and rear percentages?

What are you using for front and rer shocks/struts?


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post #3 of 20 Old 10-07-2008, 12:15 PM
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Rase the front of the car 1" make sure you have 4-5" of strut travel from there.

Loosen the front struts as much as possible

Tim

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post #4 of 20 Old 10-07-2008, 12:16 PM Thread Starter
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doesn't look like you have very much front end travel. car unable to roll over center to get the weight back.

Where does the car scale? what are your front and rear percentages?

What are you using for front and rer shocks/struts?
64/36.....lol.....2200 up front and 1250 out back

front is coil overs...14" 175s on tokico drag struts on softest setting.

rear is upr pro lowers, stock fox v8 springs, strange 10 ways, Baseline ARB and Baseline upper kit.

all thise vids are 1.52-1.53s cept the first one which was off idle and was a 1.58

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post #5 of 20 Old 10-07-2008, 12:17 PM Thread Starter
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Originally Posted by gray86hatch View Post
Rase the front of the car 1" make sure you have 4-5" of strut travel from there.

Loosen the front struts as much as possible

Tim
raise it 1 full inch..wow..ok....make sure i have 4-5"...if not lower it so I have that much?

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[email protected] w/ a 1.35 - Stock motor, Eaton, n2o
8.78 @ 152 - L&M Teksid, TVS @ 20PSI
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post #6 of 20 Old 10-07-2008, 01:23 PM
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raise it 1 full inch..wow..ok....make sure i have 4-5"...if not lower it so I have that much?
You maybe able to move the spacers on the caster camber plates around to gain the travel you need.

Tim

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post #7 of 20 Old 10-07-2008, 02:17 PM Thread Starter
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Rase the front of the car 1" make sure you have 4-5" of strut travel from there.

Loosen the front struts as much as possible

Tim
just measured...from sitting to full extension as it sits right now I have 4 and 1/8" of travel..

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8.78 @ 152 - L&M Teksid, TVS @ 20PSI
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post #8 of 20 Old 10-07-2008, 02:33 PM
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What were your 60' times?

The 60's in your sig are pretty good. Could it have just been bad track prep?

Have you tried some weight in the back? 75lbs in the trunk of my '03 helped me go from 1.60's to high 1.4's. Its not the best solution, but it works in some cases. Helps my coupe be more consistent too.

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post #9 of 20 Old 10-07-2008, 03:01 PM Thread Starter
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What were your 60' times?

The 60's in your sig are pretty good. Could it have just been bad track prep?

Have you tried some weight in the back? 75lbs in the trunk of my '03 helped me go from 1.60's to high 1.4's. Its not the best solution, but it works in some cases. Helps my coupe be more consistent too.
1.52-1.54....the car is capable of better. and the track was good...lots of new best times that day and lots of wheel stands.

i have one of Kevin's (Baseline suspension) upper kits that is putting more anti squat onto the car....if that makes any difference....

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8.78 @ 152 - L&M Teksid, TVS @ 20PSI
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post #10 of 20 Old 10-07-2008, 03:09 PM
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Ya, I saw this over at HC, and though the front could be up a little to help out. Also, maybe some diff front struts? Seems as the rebound is weak and the give right back to where you started from real easy. Looks like they release ok, but coming back is real weak, but your also pretty heavy up front. You can really see it on that second to last one.

I agree, you have ALOT left in it.


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post #11 of 20 Old 10-07-2008, 03:57 PM Thread Starter
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Ya, I saw this over at HC, and though the front could be up a little to help out. Also, maybe some diff front struts? Seems as the rebound is weak and the give right back to where you started from real easy. Looks like they release ok, but coming back is real weak, but your also pretty heavy up front. You can really see it on that second to last one.

I agree, you have ALOT left in it.
what would you recommend? the strange struts? pretty similar I would think?

should I still raise the front even though my full travel is 4" now?

Silver '03 Cobra Coupe Auto
[email protected] w/ a 1.35 - Stock motor, Eaton, n2o
8.78 @ 152 - L&M Teksid, TVS @ 20PSI
8.33 @ 163 - L&M Teksid, Whipple 4.0
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post #12 of 20 Old 10-07-2008, 05:54 PM
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Is your front sway bar still installed?
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post #13 of 20 Old 10-07-2008, 06:08 PM
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what would you recommend? the strange struts? pretty similar I would think?

should I still raise the front even though my full travel is 4" now?
Ya, you dont wanna lose travel then.

I have no idea on the struts, like for my car if I had that issue, I'd look for a dual adj shock that you can dial in both directions. Not sure if thats an option for you.

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post #14 of 20 Old 10-07-2008, 07:04 PM
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looks like the car transfers fast then the front falls and unloads the suspension.

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post #15 of 20 Old 10-07-2008, 07:24 PM
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x2 . . .

it looks like the whole car is trying to jump off the ground.

Rear is definitely un-loading.
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post #16 of 20 Old 10-07-2008, 08:52 PM
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Are you using the IC calculator on Hardcore 50? If so you need to email Kevin directly. He told me that calculator doesn't work with relocated uppers. Once he had my measurements and told me which way to go, my car has been hooking great ever since. HTH

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post #17 of 20 Old 10-07-2008, 10:45 PM
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your front/rear percentages are killing you.

Get that thing to and 53-54 on the nose and you'll be doing well. Raise the nose of the car is going to be huge for that. But the mid/low 50's are where you should be shooting for percentage wise.

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post #18 of 20 Old 10-08-2008, 12:06 AM Thread Starter
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Is your front sway bar still installed?
no sir...she is setup to race!!!

Silver '03 Cobra Coupe Auto
[email protected] w/ a 1.35 - Stock motor, Eaton, n2o
8.78 @ 152 - L&M Teksid, TVS @ 20PSI
8.33 @ 163 - L&M Teksid, Whipple 4.0
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post #19 of 20 Old 10-08-2008, 12:08 AM Thread Starter
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Are you using the IC calculator on Hardcore 50? If so you need to email Kevin directly. He told me that calculator doesn't work with relocated uppers. Once he had my measurements and told me which way to go, my car has been hooking great ever since. HTH
the numbers I gave are form Kevins calculations. I just raised the back of the car (per Kevin) using stock 2000 GT springs. car went up 5/8" and now the IC is 40" at 9.6" high and my anti squat is 127%.

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[email protected] w/ a 1.35 - Stock motor, Eaton, n2o
8.78 @ 152 - L&M Teksid, TVS @ 20PSI
8.33 @ 163 - L&M Teksid, Whipple 4.0
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post #20 of 20 Old 10-08-2008, 12:09 AM Thread Starter
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your front/rear percentages are killing you.

Get that thing to and 53-54 on the nose and you'll be doing well. Raise the nose of the car is going to be huge for that. But the mid/low 50's are where you should be shooting for percentage wise.
car has it all done...tubular front end, aluminum bumper support, abs delete, skinnies, battery in trunk....what else is there besides brakes??

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[email protected] w/ a 1.35 - Stock motor, Eaton, n2o
8.78 @ 152 - L&M Teksid, TVS @ 20PSI
8.33 @ 163 - L&M Teksid, Whipple 4.0
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