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View Full Version : Rear Axle with the smallest rear torsion bar?


ShelGame
09-02-2012, 09:54 PM
What rear axle would have the smallest rear torsion bar in it and still bolt into an '89 Daytona? What size would it be?
BadAssPerformance
09-02-2012, 10:17 PM
Probably a base Aries... or you can cut yours out?
shackwrrr
09-02-2012, 10:27 PM
Cut yours out then box it in with holey plate.
ShelGame
09-02-2012, 10:38 PM
Is it safe to just cut it out completely? I would think you'd need something in there. But, if it's OK, then that's a lot of weight, too...
Tbird232ci
09-03-2012, 12:47 AM
How much street driving does the car see?
GLHNSLHT2
09-03-2012, 12:56 AM
should be able to just cut it out, though a 89 Shadow would probably be your best bet.
BadAssPerformance
09-03-2012, 11:21 AM
How much street driving does the car see?

Pretty sure dedicated race car, so hardest cornering forces are down the return road? ;)
Tbird232ci
09-03-2012, 12:54 PM
Pretty sure dedicated race car, so hardest cornering forces are down the return road? ;)

That's what I was thinking, but I'd much rather ask than assume.

If that's the case, cut it out. No different than removing a swaybar.
RoadWarrior222
09-03-2012, 01:57 PM
What's the plan, thought you were underweight/weight penalised now, are you moving classes? ... or you want all your weight in lead slugs over the front wheels? :D
ShelGame
09-03-2012, 05:37 PM
How much street driving does the car see?

None.

---------- Post added at 05:37 PM ---------- Previous post was at 05:36 PM ----------


What's the plan, thought you were underweight/weight penalised now, are you moving classes? ... or you want all your weight in lead slugs over the front wheels? :D

Changing classes. Going to AF/S. Looking for more weight reduction, plus I want to free up the suspension as much as possible...
ShelGame
09-04-2012, 03:22 PM
Ah-Ha!

http://www.turbo-mopar.com/forums/showthread.php?18507-Rear-axle-interchange-Q-s&p=216461&viewfull=1#post216461

I knew someone had already measured the weight difference.

13lbs sounds like a no-brainer to me. I bet I can shave another 2lbs off of one of those axles before I put it in...
ShelGame
09-06-2012, 09:41 AM
Is the bar only welded on the outside edges? If so, I may just cut it out and put a thin-wall tube in there. I can probably save more than 13lbs doing that.

A 1-1/8" solid bar 48" long weighs ~13.5lbs (1-1/8" solid bar @ 48" long); a 1-1/8" x 1/8" wall tube weighs 5.3lbs; 8.2 lbs lighter
RoadWarrior222
09-06-2012, 12:21 PM
1 1/8" Titanium tube is only $3.00 an inch :D
http://titaniumjoe.com/tubing.htm

(and is really springy, it might actually work)

---------- Post added at 12:21 PM ---------- Previous post was at 12:14 PM ----------

(Whoa, I could get enough thinwall grade 2 for a straight pipe 2.25 exhaust for only $500 :D )
ShelGame
09-06-2012, 01:10 PM
1 1/8" Titanium tube is only $3.00 an inch :D
http://titaniumjoe.com/tubing.htm

(and is really springy, it might actually work)

---------- Post added at 12:21 PM ---------- Previous post was at 12:14 PM ----------

(Whoa, I could get enough thinwall grade 2 for a straight pipe 2.25 exhaust for only $500 :D )

Yeah, but it's really hard to weld it to steel :P