Downforce and alignment

[DavidKFla]

sorry about the hijack.

 

[AlleyCat]

No problem. Had a h.a. Six yrs ago. 6 stents. My best friend 22 years ago had a massive h.a. at the drag strip. I gave him cpr and the firemen paddled him. No good. Only 42.

 

[AlleyCat]

So I spoke with the owner of the alignment shop. He said to fill it up with fuel as I would do at the track. He has a simulator that can put 200 pounds in the drivers seat. Then he will work on getting rid of the .26 toe on the drivers side. He will make sure the tie rods are tight, bushings are good, etc. then hopefully get that to about zero. I am going to drop her off Monday afternoon.

 

[DGatzby]

So I spoke with the owner of the alignment shop. He said to fill it up with fuel as I would do at the track. He has a simulator that can put 200 pounds in the drivers seat. Then he will work on getting rid of the .26 toe on the drivers side. He will make sure the tie rods are tight, bushings are good, etc. then hopefully get that to about zero. I am going to drop her off Monday afternoon.

Sounds good. Good luck.

 

[AlleyCat]

Positive front toe is counter intuitive. That actually means the front of the tire is pointing toward the center of the car. So at .26 positive no wonder why I am battling the wheel left at the big end.

 

[vortecd]

You need to get some AAD arms on your car/ Based on what I see you would want 6 tab on driver side and 5 on passenger side. That would get you to +.20 or so on each side

I run my car around 1/2 tank at the track so I took it in that way. Parker at AAD didn't seem to think it mattered much about weight in the car when doing it

 

[AlleyCat]

In the front AAD only makes them for the upper arms which I have. AAD tells me it has nothing to do with toe. I was told by zach at aad he likes the toe at a .10. All I know is it did change a hell of a lot with the simulated driver. Went to .26 on the drivers toe. Probably a worn ball joint. They will figure it out. I have the AAD in the front.

 

[vortecd]

In the front AAD only makes them for the upper arms which I have. AAD tells me it has nothing to do with toe. I was told by zach at aad he likes the toe at a .10. All I know is it did change a hell of a lot with the simulated driver. Went to .26 on the drivers toe. Probably a worn ball joint. They will figure it out. I have the AAD in the front.

I'm talking rear being you drag race. Front just needs to be aligned the same on each side. I also did about .10 toe in.

 

[AlleyCat]

All I know something needs to be fixed on the front left. Sketchy/scary.

 

[AlleyCat]

Can you align the toe on the front? I know the camber can be adjusted. I think caster is set in stone.

 

[vortecd]

Can you align the toe on the front? I know the camber can be adjusted. I think caster is set in stone.

Every car you can align the toe from the factory. You can also do the toe on the rear of our cars.

 

[AlleyCat]

Well it may not be perfect for drag racing. But I tested it out on a highway and I do not have to correct it to the left.

 

[AlleyCat]

Going to try to get out to the track on the 19th. Going to keep my 60 pound wheel/tire on the front until I regain confidence. If I can get a 9.6 or faster at 5000 da with the street wheels on the front I will be very happy.

 

[vortecd]

Well it may not be perfect for drag racing. But I tested it out on a highway and I do not have to correct it to the left.

Front looks good not sure why the rear is 12 and 04. Rear is also adjustable and should be close to the front at .07 both sides

Think about the AAD rear arms for your next upgrade. Can get that camber to 0 to +.25 so when you launch the tires will be flat

 

[AlleyCat]

What part number should I order from AAD for the rear?
I think a positive toe in the rear means the toe is pointing towards the middle of the car.
I read positive toe in the rear is good as it can improve stability and reduce the tendency to oversteer.
Now if they were closer in number on each side that would be great.

 

[vortecd]

That is correct but what I'm saying is they are both not the same. Left is at .12 and right at .04 they should be same

As far as the AAD stuff I have it all except the toe arms. The factory are adjustable to no reason to get those. At the least you need 4 upper arms so you can adjust the camber. Trailing arms are stiffer pieces. Should be some sales on black friday.

https://aadperformance.com/collections/dodge-challenger-1/products/wheel-hop-eliminator-kit

 

[vortecd]

You could get away with just this but I like have the trailing arms

https://aadperformance.com/collecti...challenger-300-billet-rear-upper-control-arms