Progress Thread auto cross a 2004 sn 95 v-6 mustang
- Thread starter fred paddock
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Thatsweetstang
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Everything will fit They are the same. I once put a gt rear end in an 03 v6, made that v6 wake up a bit with the 3.27 gearing vs the 2.73.
Thanks for the come back, I know using a v-6 stang to autcross is a bit week but for the class it may be all right any advise?
Thatsweetstang
Active Member
Put some gears in that rear end! Honestly I know little to nothing about v6’s. If I had one... I’d probably pull a thunderbird supercharged v6 engine, rebuild it, and put that into the mustang with a 5 speed trans.
I autoX'd mine for years. First thing first, weight reduction. Strip it down to the sheet metal. Tires are #1 in autox, brakes #2 and then suspension 3. Power doesnt do much unless the course it long and open. I autoX'd with porsches on tight tracks so having 300+rwhp hurt more than it helped.
Thanks I used to have a 77 Trans am 400, 4 spd car, I had a BLAST, what you said about HP does not help much , your right I thing I was Drifting before it was cool 
any way I am looking forward to getting back into auto crossing. I am on a very tight budget so most of my parts are going to be hand me downs or junk yard. its good to know most GT parts will fit. Thans for the heads up on what will work. Fred P.
any way I am looking forward to getting back into auto crossing. I am on a very tight budget so most of my parts are going to be hand me downs or junk yard. its good to know most GT parts will fit. Thans for the heads up on what will work. Fred P.
Hay out there everyone I just scored my first freebe for my mustang, got a rear end out of a v-8 car its got a posi and 3:73 gears, slotted disc brakes, I also got a rear sway bar only needs new poly end links the ones on it are rubber. It's nice to know The Mustangs guys out there will help each other out . Hay if any one has a dead or dieing mustang get in contact with your local scca club I'll bet they know some one on a tight budget that could use some parts. Thanks to all Fred
I just scored my first freebe for my mustang, got a rear end out of a v-8 car its got a posi and 3:73 gears, slotted disc brakes, I also got a rear sway bar only needs new poly end links the ones on it are rubber. It's nice to know The Mustangs guys out there will help each other out . Hay if any one has a dead or dieing mustang get in contact with your local scca club I'll bet they know some one on a tight budget that could use some parts. Thanks to all Fred
Before you do any mods, look up the rule book and choose a class. There are a lot of great suggestions here, but a lot of them will throw you into a class you could never hope to be competitive in. The way the rule book is written for a lot of the classes, unless it is expressly permitted, it is prohibited. Removing parts is the fastest and easiest way to get bumped up a class or two.
This course was an exercise in self discipline with power. The course was so tight I ran it in 1st gear and I never bump the rev limiter (42mph):
View: https://www.youtube.com/watch?v=ctU85KRUYp8
I ended up 2nd in my class and 3rd overall, losing to an RX7 with stickier tires and 700 hp GTR with the same tire. What's the old saying? you have just enough power when you can smoke the tires from the exit of one corner to the braking point of the next? Then, it's up to the driver to make use of the power rather than just make smoke.
Yep, by far tires for your class are #1, but I wouldn't say power hurts you unless you can't control it well. This requires discipline from the driver and a combination that is very driveable. I autocrossed my 88 mustang with a turbo and the way power came on was laggy with a huge surge after a moment. It wasn't smooth or fast, but it was a heck of a lot of fun! The coyote in my roadster on the other hand is so easy to modulate and control: It is naturally aspirated, drive by wire and has modern programming/control strategies.
This course was an exercise in self discipline with power. The course was so tight I ran it in 1st gear and I never bump the rev limiter (42mph):
View: https://www.youtube.com/watch?v=ctU85KRUYp8
I ended up 2nd in my class and 3rd overall, losing to an RX7 with stickier tires and 700 hp GTR with the same tire. What's the old saying? you have just enough power when you can smoke the tires from the exit of one corner to the braking point of the next? Then, it's up to the driver to make use of the power rather than just make smoke.
88LXSleeper
Active Member
- Jan 6, 2016
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Leave it alone and run in stock class. Brakes won't be an issue in a less than a minute auto x. Get the stickiest DOT tire you can.
Thanks guys for all your input on this build, I am just getting started on geting parts so far I have scored a freebee rear end that has a posi unit and 3:73 gears, a front set of slotted brake rotors and get this I got a free drag race paracute I think I'll put it on and when I cross the finish line I'll pop it gad that would be funny
I think I'll put it on and when I cross the finish line I'll pop it gad that would be funny 
I auto crossed a buddies 2002 Automatic V6 Mustang and I had fun with it. He had upgraded tires and lowering springs. Car handled well and didnt lose traction like my 2003 GT Mustang did. I think if it was manual it would of been more fun in the V6 Mustang, but I just used the 1-2 gears in the auto trans didnt really need to put it in D until the straight away at the end of the course. Like the others said good tires will do wonders for you. I love my Nitto NT555's but I'm sure there are better tires out there.
The bridgestone RE71 seems to be the hot tire for street classes right now, where 200 or greater treadwear is required. It is incredible the amount of grip a 200 treadwear tire can generate! Also worth looking at the BFG Rival tires if the RE71 doesn't come in a size that works.
Fred here again, I have a sort of strange question . I have a friend that works at a used tire store and he can give me all the tires that won't pass state insp ( tread depth) can I use these tires? seems to me it would be sort of a cheep race slick as I would not have the tread wiggle or have to shave them down. As long as the tires are not cracked or show steel belts or cord would it be safe to use. I can get allmost any size and brand and compond I want please give me your thoughts. Thanks Fred
Sure, you could use the tires, but they will be far from the ideal application. Tread compound makes the biggest difference in traction, and the normal all season touring tires most cars run just aren't going to cut it. Watch out for age, there is an age code on every tire and old tires just don't work.
Thanks for the note, I can get nitto's, bfg's and a few others, most are G rated . I was thinking I can use them once or twice and put on a different set. As I am doing this build on a very tight budget ( Hand me downs and free bees) I am going to see what can work and won"t. This is what I have at present, 2004 Mustang, V-6,Automatic $500.00 2 front fenders, left door $125.00 Rear end posi 3:73 gears disc brakes $ 0 2 front sloted brake rotors $ 0 1 really cool DRAG RACE CUTE $ 0 1 rear rice rocket (off a Honda) spoiler $0 all the tires I want any size or brand $ 0 Thats it for now I'm going to go try this car stock for now as there is an auto cross this weekend at Fentress Air field here in Va, That will give me a base to start my build and will assemble parts as I get them and see what happens . Thanks for your help Fred
$ 0 1 rear rice rocket (off a Honda) spoiler $0 all the tires I want any size or brand $ 0 Thats it for now I'm going to go try this car stock for now as there is an auto cross this weekend at Fentress Air field here in Va, That will give me a base to start my build and will assemble parts as I get them and see what happens . Thanks for your help Fred Similar threads
