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Torsion Bar ride height adjustments #370932 07/09/09 11:58 AM 07/09/09 11:58 AM
Joined: Jan 2003 Posts: 552 NYC SuperCommando OP super street
SuperCommando OP super street Joined: Jan 2003 Posts: 552 NYC	I have a new tire on one side of the car that rubs the upper brace found at the top of the wheel well at the front fender. It only rubs when I bottom out on a dip and oddly, the same tire on the driver side does not. So I thought I might crank the torsion bar up a bit on the passenger side and wondered if anyone knew how many turns of the adjustment bolt translates to how much of a lift. I cranked it half a turn clockwise but that didn't seem to do much... Also, this is a 318 B-Body...what kind of ride should i expect if I put 383 or 440 bars in this 318 car?

Re: Torsion Bar ride height adjustments [Re: SuperCommando] #370933 07/09/09 12:25 PM 07/09/09 12:25 PM
Joined: Jan 2003 Posts: 24,562 Brookeville, Md Mr.Yuck Not enough dumb comments...yet
Mr.Yuck Not enough dumb comments...yet Joined: Jan 2003 Posts: 24,562 Brookeville, Md	It takes a bunch of turns to raise it... [IMG]http://i66.tinypic.com/pui5j.jpg[/IMG] Coming soon!!!!

Re: Torsion Bar ride height adjustments [Re: Mr.Yuck] #370934 07/09/09 12:45 PM 07/09/09 12:45 PM
Joined: Jan 2003 Posts: 552 NYC SuperCommando OP super street
SuperCommando OP super street Joined: Jan 2003 Posts: 552 NYC	Looking for an estimate. If i wanted to get a quarter inch off the ground, what's that translate to? Like 2 full turns of the nut? 4 full turns?

Re: Torsion Bar ride height adjustments [Re: SuperCommando] #370935 07/09/09 12:48 PM 07/09/09 12:48 PM
Joined: Jan 2003 Posts: 24,562 Brookeville, Md Mr.Yuck Not enough dumb comments...yet
Mr.Yuck Not enough dumb comments...yet Joined: Jan 2003 Posts: 24,562 Brookeville, Md	no idea, they are very fine threads...Here's how I do it. I get the car on a nice flat surface. Measure the hieght at the best bumper line or body line you like. If you like the drivers side ride height than measure it and keep cranking the pass side until you get the same measurement. [IMG]http://i66.tinypic.com/pui5j.jpg[/IMG] Coming soon!!!!

Re: Torsion Bar ride height adjustments [Re: SuperCommando] #370936 07/09/09 12:49 PM 07/09/09 12:49 PM
Joined: Jan 2003 Posts: 32,929 Grand Prairie,Texas stumpy I Win
stumpy I Win Joined: Jan 2003 Posts: 32,929 Grand Prairie,Texas	I believe you get 1/4" for one full turn. That is a guess because each set up will be a little different due to the condition and spring rate of the old bars.

Re: Torsion Bar ride height adjustments [Re: SuperCommando] #370937 07/09/09 03:49 PM 07/09/09 03:49 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Be aware that changing the ride height(tbars) is going to change your current alignment settings. Dont know how much leeway you have with that though. live every 24 hour block of time like it's your last day on earth

Re: Torsion Bar ride height adjustments [Re: RapidRobert] #370938 07/09/09 03:56 PM 07/09/09 03:56 PM
Joined: Apr 2003 Posts: 12,234 Looking for a way out of Middl... IMGTX I Live Here
IMGTX I Live Here Joined: Apr 2003 Posts: 12,234 Looking for a way out of Middl...	Quote: Be aware that changing the ride height(tbars) is going to change your current alignment settings. Dont know how much leeway you have with that though. Also if you do not relieve the tension on the LCA bushing after adjusting the height you will cause premature bushing failure.

Re: Torsion Bar ride height adjustments [Re: IMGTX] #370939 07/10/09 01:38 PM 07/10/09 01:38 PM
Joined: Jan 2003 Posts: 552 NYC SuperCommando OP super street
SuperCommando OP super street Joined: Jan 2003 Posts: 552 NYC	Yeah thanks for the suggestions. I'm aware that tweaking the torsion bars will alter alignment. However the car has been due for an alignment for a while now so that will all be dealt with eventually. Right now I just need the tire to NOT rub the upper fender support brace. What is meant by "relieving the tension" on the LCA after height adjustment?

Re: Torsion Bar ride height adjustments [Re: SuperCommando] #370940 07/10/09 02:06 PM 07/10/09 02:06 PM
Joined: Nov 2004 Posts: 9,312 SoCal 68HemiB master
68HemiB master Joined: Nov 2004 Posts: 9,312 SoCal	Quote: What is meant by "relieving the tension" on the LCA after height adjustment? The need to do this is more or less important, depending on how much height change is involved. The lower control arm pivots at a bushing whose outer shell is fixed into the lower control arm and whose inner shell is fixed around a shaft that is in turn attached solidly to the K member. Whenever the outer shell rotates relative to the inner shell, the rubber between them "winds" slightly. Ideally, the bushing should not be wound at all at normal ride height. After any major suspension work [or significant height adjustment], you should fully tighten the nut that holds the shaft to the K member only after the normal height has been established. If the nut was already tight (as it would be in your situation), loosen it a bit, bounce things around some, and then re-tighten. Down to just a blue car now.

Re: Torsion Bar ride height adjustments [Re: 68HemiB] #370941 07/13/09 02:51 PM 07/13/09 02:51 PM
Joined: Jan 2003 Posts: 552 NYC SuperCommando OP super street
SuperCommando OP super street Joined: Jan 2003 Posts: 552 NYC	Okay, so loosen the nut where the words "Control Arm Pivot" point to, bounce the front around to settle thing and re-tighten. Do I re-tighten with the car on the ground and weight on the tires, or tighten with the front end jacked up, weight off the tires? 5349888-lcadiagram.jpg (54 downloads)

Re: Torsion Bar ride height adjustments [Re: SuperCommando] #370942 07/13/09 03:09 PM 07/13/09 03:09 PM
Joined: Nov 2004 Posts: 9,312 SoCal 68HemiB master
68HemiB master Joined: Nov 2004 Posts: 9,312 SoCal	You said: Quote: Okay, so loosen the nut where the words "Control Arm Pivot" point to, bounce the front around to settle thing and re-tighten. Do I re-tighten with the car on the ground and weight on the tires, or tighten with the front end jacked up, weight off the tires? From my previous post: Quote: Ideally, the bushing should not be wound at all at normal ride height. The answer is to tighten at normal ride height, e.g. with the car on the ground and weight on the tires. Down to just a blue car now.

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