Gulstrand rear toe adjusters...
Thread Starter
Melting Slicks
Joined: Feb 2004
Posts: 2,435
Likes: 0
From: largo florida
Gulstrand rear toe adjusters...
This seems to be something that could be very useful. Anyone have one or heard of them and how they work? Anyone have pics of them installed? I cant figure out how they would get installed.
http://www.guldstrand.com/toe.htm
Same thing with these, anyoen have any experience with them? Are they suitable for a daily driver?
http://www.guldstrand.com/joint.htm
http://www.guldstrand.com/toe.htm
Same thing with these, anyoen have any experience with them? Are they suitable for a daily driver?
http://www.guldstrand.com/joint.htm
Le Mans Master
Joined: Aug 2000
Posts: 6,273
Likes: 14
From: Austin TX
A couple of years ago, I went to Guldstrand's shop and visited with him for about 30 minutes (A real gentleman).
We discussed all of his mods for C3s and which ones made sense for street/autocross use. He stated that the ones you are mentioning were really designed for racing and that it was necessary to lift the body off the frame to get access to install and adjust.
Not worth it, IMHO.
We discussed all of his mods for C3s and which ones made sense for street/autocross use. He stated that the ones you are mentioning were really designed for racing and that it was necessary to lift the body off the frame to get access to install and adjust.
Not worth it, IMHO.
Thread Starter
Melting Slicks
Joined: Feb 2004
Posts: 2,435
Likes: 0
From: largo florida
So are the toe adjusters something you would set and leave alone until next time you realign the rear, or is it something that constantly needs adjusting? How much clearance from the body is needed, a few inches? If thats the case, it doesnt seem too bad. I could use an excuse to run new gas and brake lines. Anyone have any pics of these installed? Id love to see how they hook up.
Team Owner
Joined: Apr 1999
Posts: 21,953
Likes: 1,445
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
Normally rear toe is set by using quality stainless steel washer shims on the front of the rear trailing arms. Once you set them and sinch everything down your toe shouldn't change for many years like 10+ if you don't ever hit anything.
So these adjustables might be fun to try a few different setting and then just leave it alone.
GM chose to build our vettes with lack of skilled drivers in mind. So they set rear toe to something like 1/8th inch toe in. Which gives self aligning to the rear end. So it will self correct to going straight even if you throw the rear end into a slide. It's the same thing with the front tires. Then set in a toe value which will keep the car going striaght with little or no input by the driver.
So a lapping car or for performance use you set the front and rear toe to "ZERO"
So these adjustables might be fun to try a few different setting and then just leave it alone.
GM chose to build our vettes with lack of skilled drivers in mind. So they set rear toe to something like 1/8th inch toe in. Which gives self aligning to the rear end. So it will self correct to going straight even if you throw the rear end into a slide. It's the same thing with the front tires. Then set in a toe value which will keep the car going striaght with little or no input by the driver.
So a lapping car or for performance use you set the front and rear toe to "ZERO"
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Race Director
Joined: Dec 1999
Posts: 16,945
Likes: 9
Originally Posted by lostpatrolman
So will the toe adjusters and solid bushings eliminate toe change when the car is autocrossing or anything, or is it all just to help adjust toe quicker?
Team Owner
Joined: Apr 1999
Posts: 21,953
Likes: 1,445
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
LostPatrolman - SG4206 said it correctly. It is very time consuming to change out the washer shims.
This is what I said: Normally rear toe is set by using quality stainless steel washer shims on the front of the rear trailing arms. Once you set them and sinch everything down your toe shouldn't change for many years like 10+ if you don't ever hit anything.
So these adjustables might be fun to try a few different setting and then just leave it alone.
This is what I said: Normally rear toe is set by using quality stainless steel washer shims on the front of the rear trailing arms. Once you set them and sinch everything down your toe shouldn't change for many years like 10+ if you don't ever hit anything.
So these adjustables might be fun to try a few different setting and then just leave it alone.
Race Director
Joined: Nov 2000
Posts: 11,872
Likes: 12
From: Waterloo ontario Canada
Originally Posted by redvetracr
George.....TOE IN!! ALWAYS!!
...redvetracr
...redvetracr
As for toe adjustments the 6 link allows quick and easy toe changes for testing. For camber change you adjust one rod, for toe both strut rods equally.
Le Mans Master
Joined: Dec 2003
Posts: 5,727
Likes: 38
From: Fremont CA
Originally Posted by redvetracr
George.....TOE IN!! ALWAYS!!
...redvetracr
...redvetracr
I run 1/16" per side, my car was downright undriveable with "zero toe" when I tried it at the autocross course. I know of several top crewcheifs of IMSA/Trans-Am era Vettes and they all told me to go to 1/8" total and possibly up to 1/4" total for stability under acceleration out of the corners. Here is a quote from one: "the most viscious Vette I ever drove that almost killed me was one that was bordeline on rear toe-out, I would never even consider using anything approaching toe-out on a high horsepower/rear wheel drive car EVER!" (he tested Greg Pickett's 1100+HP twin turbo IMSA Vette during that era.)
