Time to hit the Track.

[bearman]

thank you, i have to get the car together before i can get this far but all info is good. thank you again

 

[69 GTX]

---
Doug put me onto them. They're from Speedway. The channel bracket on top is my own doing. The outer frame rail at the shackle area is 1.750, and I had some 2 X 3 X .125 here that I used to make channel with. Fit was bang on.
I left 1.250 rear slot travel when sitting at ride height and that gave more than enough travel both ways. The rear of my car came down about a half inch with the sliders.

Thanks! I was looking at those last night, think i'll go ahead and get a set coming.

 

[bearman]

Thanks! I was looking at those last night, think i'll go ahead and get a set coming.

i am i'm liking what i'm seeing and malex is correct that gaines has it hooked up. mine going to be ddl duty street and track. but i need all the edge i can get and these guys got the looks and the go to make it happen.

 

[NSS Guy]

Slider video

 

[malex]

Slider video

---
Terrific vid NSS Guy. Shows exactly what's happening with a Calvert / Slider / Cal Trac set up.
Having lots of rise is critical and it looks like this Mopar is getting close to that 4" of rise that Calvert wants.
On my installation it appears that I have my sliders a little further forward than these ones. Calvert says between 1 and 1.500" rear slot space, I went with 1.250".
Also, I believe that stock shackles are about 3.500" between the bolt centres. Watching this video it looks like the leaf eyelet is all of that distance away from the frame tube.

 

[NSS Guy]

That pass was 10.38 129mph, 1.42 60ft

 

[malex]

That pass was 10.38 129mph, 1.42 60ft

——
It was a great example of how it all works. A good pass. Did you run shackles before switching to the sliders?
The rear tires didn’t take much of a hit neither. Do you run tubes?
And those are Calvert shock single adjustable?
Great vid, great camera position. Even showed the front tire.

 

[NSS Guy]

Calvert single adjustable shocks . Yes tubes in M/T 29.5x10.5 slicks. Stiff sidewalls. Calvert non adjustable front shocks. Nothing fancy.

 

[69 GTX]

Foot brake or trans brake?

 

[NSS Guy]

Foot brake or trans brake?

Foot Brake

 

[dvw]

Jamie's stuff flys. Good guy to learn from. Good at the tree as well.
Doug

 

[Endangered Species]

Here is a great video on adjusting shocks.
It's for a chassis car but the use of compression and rebound should still be in effect.

http://dragrace.academy/shock-series-04-shock-tuning-basics/?list=1059

 

[malex]

Here is a great video on adjusting shocks.
It's for a chassis car but the use of compression and rebound should still be in effect.

http://dragrace.academy/shock-series-04-shock-tuning-basics/?list=1059

Great vid Species! Very informative and helpful.

 

[dvw]

Here is a great video on adjusting shocks.
It's for a chassis car but the use of compression and rebound should still

These are 2 very smart guys. I am going to go out on a limb here. I think these adjustments are 180 degrees off of what most of us need. We're talking a VERY powerful , light car. This type of car has enough power that it needs no additional leverage from the suspension to aid hit. They're actually taking away hit to keep from gaining too much traction, thus shaking the tires. Shake is created when the tire is hooked so hard it rolls over itself. Power creates traction. I know that is a hard concept to grasp. When you get to this level the chassis is set to squat, not separate. At our level we require controlled separation to help add hit. Like I said, my opinion. But the more I read about different suspension settings, the more is learned that apples and oranges are not the same. I also watched all 4 shock videos. My 2 cents
Doug

 

[malex]

These are 2 very smart guys. I am going to go out on a limb here. I think these adjustments are 180 degrees off of what most of us need. We're talking a VERY powerful , light car. This type of car has enough power that it needs no additional leverage from the suspension to aid hit. They're actually taking away hit to keep from gaining too much traction, thus shaking the tires. Shake is created when the tire is hooked so hard it rolls over itself. Power creates traction. I know that is a hard concept to grasp. When you get to this level the chassis is set to squat, not seperate. At our level we require controlled seperation to help add hit. Like I said, my opinion. But the more I read about different suspension settings, the more is learned that apples and oranges are not the same. My 2 cents
Doug

---
The changes in shock compression were helpful to me in understanding how it effects the tire hit. Whether it will act the same with a cal trac car I'm not sure. Yet.

 

[malex]

Shackles compared to sliders. Some people say that with shackles spring rates change as the shackle goes through the swing. Here's a few pictures that show the difference between them as the car would rise in the rear.

 

[NSS Guy]

Shackles compared to sliders. Some people say that with shackles spring rates change as the shackle goes through the swing. Here's a few pictures that show the difference between them as the car would rise in the rear.

View attachment 624955

View attachment 624956

View attachment 624957

View attachment 624958

View attachment 624959

 

[NSS Guy]

D$mn your car is clean on the underside!!! Beautiful

 

[malex]

D$mn your car is clean on the underside!!! Beautiful

—-
Thanks NSS. A few wipes after raceday and it stays good. Leaving the rubber on the bottoms of the quarters though. Save chips.

 

[malex]

Loaded up and ready to go racing once again. I’m thinking that with the changes the old girl will work well now and start getting consistent.

More rubber on the ground and suspension rise restriction fixed.

Getting lower. Would be nice to see my time slip do the same.

Trailer just keeps getting fuller and fuller.

Gen set got a new place to ride and moved some weight to the rear at same time. Lots of clearance with no fuel tank in case of a leaking tire.

I plumbed an air line to the rear corner this week. Will save always dragging the compressor out or running hose through the trailer.