'69 B Body Alignment Specs.

[1 Wild R/T]

1/4" is to much... Half that is reasonable.... Toe is the most critical tire wearing angle....

 

[rww124]

The factory recommended caster was based on Bias Ply tire technology of the 60's.... Do you want the car to drive like it's 1968? Or would you like the car to drive more like a modern car?

Caster is basically a non-tire wearing adjustment... If you were somehow able to put 15 degrees of caster in you might see minimal tire wear but that would only occur when cornering & it would be of little concern... (only car I'm aware of running 15 degrees of caster was Mercedes)

Unmodified these cars can rarely get 2 degrees of caster, with aftermarket control arms or offset bushings 4-5 degrees is normal..

Here's the thing... It's pretty uncommon for these cars to actually wear out tires before the tires get to old to run safely...

So I run more negative camber than is recommended 1-1.2 negative camber, as much caster as your adjustment will allow & minimal toe in....

The car will be more fun to drive and it will be safer... No reason to not improve the alignment IMO..

Highest caster range per the sheet the shop owner gave me is 1.3 per side. I would hope the shop owner would be smart enough to realize that the car has radial tire and not go by alignment specs from the late '60s.

 

[1 Wild R/T]

Highest caster range per the sheet the shop owner gave me is 1.3 per side. I would hope the shop owner would be smart enough to realize that the car has radial tire and not go by alignment specs from the late '60s.

Unless you tell him what you want he's gonna shoot for the factory spec... 70% of shops doing alignments know very little about performance & handling... They know how to twist the adjustments & turn the box on the computer screen green...

This is especially true of tire shops...Goodyear/Firestone/America's tire Etc don't want their "techs" doing anything different that factory specs..

That's why so many car guys do their own alignments or they search out the rare shop that does performance alignments...

 

[rww124]

Unless you tell him what you want he's gonna shoot for the factory spec... 70% of shops doing alignments know very little about performance & handling... They know how to twist the adjustments & turn the box on the computer screen green...

This is especially true of tire shops...Goodyear/Firestone/America's tire Etc don't want their "techs" doing anything different that factory specs..

That's why so many car guys do their own alignments or they search out the rare shop that does performance alignments...

The guy I took my car too has a number of members from the Manitoba Mopar Association bringing their cars to him and give positive reviews. This is a small shop owned by him so there is no major chain to dictate what he does and with him having a '70 Charger must be familiar with different alignment issues especially when I told him about the car not self correcting so seems strange he stuck to the very bottom of the caster range. I will have to call him to see if he will increase the caster numbers as he didn't solve the non correction issue.

 

[Kern Dog]

Unless you tell him what you want he's gonna shoot for the factory spec... 70% of shops doing alignments know very little about performance & handling... They know how to twist the adjustments & turn the box on the computer screen green...

This is especially true of tire shops...Goodyear/Firestone/America's tire Etc don't want their "techs" doing anything different that factory specs..

That's why so many car guys do their own alignments or they search out the rare shop that does performance alignments...

Absolutely. SOME even find out later that the specs they asked for and TOLD that they were given were bullshit.
The last time I had my Charger aligned at a shop, I told them I wanted .75 degrees of negative camber and as much caster as possible. The man told me his guy got 5 degrees on the left and 5.5 on the right.
Liar.
On a whim, I decided to try aligning cars myself.

Alignment at home and aftermarket UCAS too.

Post # 53 shows where I discover that the numbers I was told were a lie.
Since this car, I've aligned my other Charger, a 72 Duster, a 67 and a 68 Dart. The small investment in this setup paid off after the first alignment.