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Old 07-16-2016, 09:11 AM   #141
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What did you set the air pressure @ on the rear tires ?
.
Dropped them to 16lbs for the first 7 runs (took me a while to figure out the traction control problem to get a couple good runs), then about 5 runs each at 18, then 20, then 22, then put them up to 30. Never made a difference. I was never losing traction except maybe for fractions of a second during launch or while I was already into the launch. The car had no problem hooking up. I put the fronts up to 40lbs to make them roll as easy as possible.

I think the traction control can handle tires that slip and gradually gain traction after slipping. But, when a tire has traction, slips ever so slightly and then grabs traction again like it would do with the D/R's and a rather slimy track that night, it causes the car to puke all over itself. It's bizarre. It took me a few runs to figure out what it was doing. I thought something broke or that I had an electrical or fuel delivery problem at first. Then I turned off the traction control right before launching and that problem disappeared. I did not experience this problem at all with the stock tires.

The 3.31 gears cause one major problem. When launching, the gearing is so high that the initial rpms are so low that it puts then engine in such a low hp part of the power curve that you have no launch torque with the combination of 430hp, the Getrag MT transmission, and the 27.6" tall M/T tires. Shorter tires would obviously dramatically change this equation and may reduce the problem. It is simply the wrong final gear ratio for drag racing with this car in it's stock configuration with the tires I have. On the Super Snake this gear ratio may be better since it has an obscene amount of hp so even real low rpms are delivering plenty of hp/torque to launch a 3700lb car. But, stock hp....3.31 ratio is way too high and the engine/transmission combination doesn't have the torque needed.

I'm going to put in the 3.73's. Then I'm going to run it. Then I'm going to put on the supercharger and run it. I'm going to beat on it to try to get a 10.5 with that configuration (that will give me the results I want to determine what a "stock" super snake is capable of). Then I'm pulling the 3.73's back out and putting the 3.31's back in. Then I'm going to run it. Lastly, (if I don't like the results with the 3.31's/supercharged results) I'm going to get a set of 3.55's and go with it.

I'll have lots of lightly used parts to sell

BTW...If anyone is looking for stock GT premium (no track pack) ground effects or a hood (obviously painted black), I have them for sale.
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Old 07-16-2016, 06:15 PM   #142
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Traction control on, linelock on, light up the tires to heat them up, pull up to the lights, traction control off, then go.
OK cool ty I'll do the same whenever I go drag mine too

Edit: also, do you have track mode on the clone, or is that a performance package option only?

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Old 07-16-2016, 06:38 PM   #143
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I'm going to put in the 3.73's. Then I'm going to run it. Then I'm going to put on the supercharger and run it. I'm going to beat on it to try to get a 10.5 with that configuration (that will give me the results I want to determine what a "stock" super snake is capable of). Then I'm pulling the 3.73's back out and putting the 3.31's back in. Then I'm going to run it. Lastly, (if I don't like the results with the 3.31's/supercharged results) I'm going to get a set of 3.55's and go with it.
Personally, I don't think that's a good idea.

Often, when you change gears, they're never quite as good as the stock installation. I've heard even after installations from great performance shops, that people complain there's a little bit of whine or noise, where stock there was no noise.

Just slap that supercharger on asap & then if you actually need the 3.55's do it. But I wouldn't be changing gears back & forth.
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Old 07-17-2016, 07:05 PM   #144
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OK cool ty I'll do the same whenever I go drag mine too

Edit: also, do you have track mode on the clone, or is that a performance package option only?

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The clone does not have the track pack, it's just 50 GT premium model.
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Old 07-17-2016, 07:07 PM   #145
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Personally, I don't think that's a good idea.

Often, when you change gears, they're never quite as good as the stock installation. I've heard even after installations from great performance shops, that people complain there's a little bit of whine or noise, where stock there was no noise.

Just slap that supercharger on asap & then if you actually need the 3.55's do it. But I wouldn't be changing gears back & forth.
I am a glutton for punishment, otherwise I wouldn't of started this project.
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Old 07-18-2016, 01:07 PM   #146
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Changing gears is like changing cams...it just depends on who does the changing.
Although the only experience with 8.8's was with my 97 Cobra I changed gears a number of times without any issues.
My 14 TrkPk always had a slight whine...right from the factory and beating on it for over 8k miles never had an issue.
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Old 07-18-2016, 07:07 PM   #147
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Really what you aught to do is just buy a spare center section and put the other set of gears in it (or buy one that already has the 3.73 in it) then all you do is swap the center out depending on your mood. Prob take an hour or 2 anytime you got the itch to change it.
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Old 07-18-2016, 08:14 PM   #148
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Really what you aught to do is just buy a spare center section and put the other set of gears in it (or buy one that already has the 3.73 in it) then all you do is swap the center out depending on your mood. Prob take an hour or 2 anytime you got the itch to change it.
Not a bad idea actually.
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Old 07-19-2016, 07:42 AM   #149
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Have you tried not using the launch control ?
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Old 07-20-2016, 11:08 PM   #150
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Not a bad idea actually.

Here you go

https://www.ebay.com/itm/252469430946
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Old 07-21-2016, 09:27 AM   #151
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Have you tried not using the launch control ?
.
Yes. I put the exact steps in a prior post. Turning it off works much better. 3.31 gears still suck with the stock horsepower though.
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Old 07-28-2016, 12:57 AM   #152
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Finally got the "clone" below 13 seconds. My car is 510. On the fastest run I was caught looking at the tach for a split second. My average R/T is now pretty consistently around 5/100's to 6/100's of a second (actually had 6 runs tonight with a reaction time of less than 5/1000's of a second...redlighted only once and that was only -0.001)

It is still 100% stock except for the M/T drag radials. Since I've gotten below 13 seconds, I am now going to start swapping out some items. Should have more time slips in a few weeks after making some mods.
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Old 07-28-2016, 10:03 AM   #153
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Looks positive...at least you are heading in the right direction!
What pieces are you going to add for the next outing?
It's funny that you redlighted by -0.001as that was one of my last runs in the Ole Maverick...doesn't get much closer to a perfect light.
Would love to see some real time video of your launch!
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Old 07-29-2016, 02:27 PM   #154
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Looks positive...at least you are heading in the right direction!
What pieces are you going to add for the next outing?
It's funny that you redlighted by -0.001as that was one of my last runs in the Ole Maverick...doesn't get much closer to a perfect light.
Would love to see some real time video of your launch!
Adding the short throw shifter, going from 3.31 gears to 3.73, and then putting in the aluminum driveshaft and Ford Racing half shafts to make sure the additional torque from the lower gears doesn't break anything. I'll run it for a little while with that. Hoping to get down to 12.75 seconds. Then I'll probably go have the car tuned by Performance Dyno in Loudon NH https://www.facebook.com/Performance-Dyno-326860964020/ and see how low that gets me. Then the summer will be about over. This winter the car gets fully converted to a Super Snake and emerges in the spring for some 825hp drag racing fun!
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Old 07-29-2016, 02:35 PM   #155
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The rest of summer should be a lot of fun...get plenty of seat time with your soon to be beast!
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Old 08-02-2016, 02:24 PM   #156
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Instead of a Super Snake clone, maybe you should make a CobraJet clone...
https://www.cars.com/vehicledetail/d...0936/overview/

Sweet baby jesus, look at the supercharger!!
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Old 08-02-2016, 03:09 PM   #157
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The SCJ they are building certainly has the straight line performance and as a drag only car...I'd love to build or buy one although the SS would be a much more rounded car and although not able to turn an 8 second quarter mile the SS would lap the SCJ on a road course before it even made one lap...both very neat cars and would fantastic to have one sit next to the other in the garage....IMHO

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Old 08-03-2016, 10:17 AM   #158
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If they only had a VIN !!!
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Old 08-14-2016, 03:14 PM   #159
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Hey Michael... Awesome thread. Keep the updates coming.

One quick question... What do you think of the Shelby / Wilwood brakes? Do they make noise you aren't able to overcome with say, new pads? They look like a great deal, but just about every Shelby GT video I see you can hear them squealing in the background and have seen similar comments on Wilwood reviews.
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