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If the front end alignment is good and the other parts are in fair shape OK. I've run my stock front suspension parts on both my street car and...
If it wants to change direction at speed with hard throttle applied, it's most likely the rear suspension. Rear axle torque and the different...
Mhad, make sure you know what your car really weighs and a close approximation of the torque you have. I made a major mistake by putting some...
peabody, you are lucky fellow to be closely involved with a good manufacturer. Don't recall when QA1 got going, but wish I had taken advantage of...
Call QA1 and ask them. The QA1 K members I have look quality. But I never used one.
I had 3 positions for my front eye in my '65, 1" higher & 1" lower than stock. I tried all 3. Each using the spring package I found to work best....
I quit using the snubber early on. I worked on the leaf combination and the shocks. Turned out that the shocks were a lot more important than I...
For a street car with very limited track time, a stock type leaf is practical. If tire size is the issue, move the springs in. The offset hangers...
If it's a drag car, get the good advice on the adjustment. They can be difficult. Even the Cal Trac's seem like they can be. A ladder bar may be...
The Mopar books are a great place to start. Then you can start tinkering.
I think ESPO has lots of leaf combinations. The set that my Satellite had were not the same as the OEM Mopar XHD (Super Trak) springs. But the...
I've heard from several folks that the newer Mopar springs are not durable. I know that the Mopar springs from the '70' & '80's were good. In the...
Kern, I like the idea of passenger side XHD's on both sides. Shock and sway bar tuning is way beyond me.
The added leaf on the passenger side accounts for the natural torque of the axle and driveshaft. The Mopar XHD package (in the old days) was very...
When you say strong to weak, does that equate to torsional resistance?
4404ME, Keep in mind it's not ONLY the bar diameter that matters. The spring rate depends on the metallurgy and forging process used to make them....
Doesn't the antisieze creep off onto the pads?
The 6/7 design will be better for hard acceleration. The HD 6/6 are pretty good, will be a better left & right turn combo, my guess. ESPO were...
A Hemi X would have either the Trac Pak or Super Trak Pak spring package. These are a biased design with the added front half leaves on the...
I quit using a snubber after my 1st year racing. I found the correct spring package and shocks do the job. When I bought my Satellite in 2013 took...