Weighed a stock spindle today...
Well im sure i'll be well over my 50 lb weight loss once i add the strange rear brakes. Then deleting the abs crap and going with a strange manual master cyl should get me close to -75 lbs or better hopefully. This is the first car i've put on a diet. No cutting yet though.
I think i'm hijacking the thread....my apologies to the op.
Racecraft 2inch drop 93-02 spindles for 3rd gen brakes. NOT ultralights (ever lighter spindles) With the strange hub and 2inch 1/2 wheel studs 28.4#s for the pair
12.4 #s lighter going to the 3rdgen style spindles

Stock 93-02 spindles with the ears trimmed off (to fit the 93-02 brakes), With the strange hub and 2inch 1/2 wheel studs 37.2#'s
3.6#'s lighter then stock parts

More real numbers, I'll get the fully assembled brake setups later.
Stock front rotors 38.2#s pair
Strange pro2 rotors 13.6#'s pair
24.6 savings in the front rotors
Last edited by studderin; Apr 13, 2011 at 10:32 AM.
My Stock LS1 Rotors, pads, calipers (clearanced for 15" rims), and spindals weighed 50.2 per side on my scale.
New Burkhart Spindals with 3rd gen Aerospace brake setup weighed 23.2 per side.
Total savings 54lbs.
I've lost 167lbs off the front of the car this winter (includes moving battery to trunk). Think it's good for the last tenth i'm looking for?
You have to be careful about piling parts on a scale like that and getting a good reading. The weight has to be balanced and centered. If its tipping, and off balanced the scale will bind and real less. Move the parts around and you will get diffrent numbers. I found its better to do the weight yourself, and hold the part close to your body. We stand centered and balanced on the scale.
When my car was 3600 lbs and I was running it n/a I drove it around, with a set of 4.10's and a 28 inch tire, with a 5200 n/a converter. The ONLY part that was bad was trying to go anywhere on the highway. It required either keeping the car at 60 mph (2500 rpm) or ya have to spin it up a good bit to go faster....
Honestly, I didn't think it was that bad. Considering I knew I could put my foot right up the *** of pretty much anything I came across, even from a roll on the highway, well at least to about 145 where it ran out of gear.
I'd do it again in a heartbeat. The only thing I wouldn't do, is have a setup that required race fuel and try to do that. The 8 mpg isn't a big deal even at the 4.25 it is here in CT for super. 13 bucks a gallon for good race fuel? That sucks ***.
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I guess i could just try driving it in 3rd after the gear swap and see if i could live with it and go from there. How much less does a th350 weight vs a 4l60?
You have to be careful about piling parts on a scale like that and getting a good reading. The weight has to be balanced and centered. If its tipping, and off balanced the scale will bind and real less. Move the parts around and you will get diffrent numbers. I found its better to do the weight yourself, and hold the part close to your body. We stand centered and balanced on the scale.
I'll have everything back together next week and I'll report back on fitment etc. 
I weighted my stock stuff, for some numbers on the brake and spindle setups
Factory 01'Z brake and spindle setups right off the car. Spindles (uncut), rotors, pads, calipers (not ground), 2.5inch ARP m12 studs 103.2 pounds for the pair
Racecraft 2inch drop spindles (normal, non ultralight) Strange pro2 3rd gen brake kit, greased right off the car. 2.5inch 1/2 wheel studs (alum rotor hat, this PN and model not available right now) Right at 50.0 pounds for the pair.
I'll organize this better with the pics for better reference. Burthart spindles with the strange hubs, studs, greased ready to bolt on. 26.8#'s for the pair. (1.6#'s lighter then racecraft, 14.0# lighter then stocks)
The bare spindles are 19.4#s for the pair with castle nut, and caliper bracket hardware (3/8-24 bolts w/ nyloc nuts, and a .250 slum spacer)
I'm interested in doing a light(er) weight spindle and 3rd gen drag brake set.
The racecraft spindles look like the strongest (albeit heaviest) spindle available, and I'm fine with that, since I can go with 3rd gen brakes as well, but I think a 2" drop will be a little much.
If burkhart spindles are up to the task of a little weekend cruising with a responsible driver (who knows to dodge a pot hole) I'll go with them.
Any input?
I'm interested in doing a light(er) weight spindle and 3rd gen drag brake set.
The racecraft spindles look like the strongest (albeit heaviest) spindle available, and I'm fine with that, since I can go with 3rd gen brakes as well, but I think a 2" drop will be a little much.
If burkhart spindles are up to the task of a little weekend cruising with a responsible driver (who knows to dodge a pot hole) I'll go with them.
Any input?
The racecraft spindle looks more like a factory unit that's fabbed instead of cast/forged, but the added in 2" drop really kills it.
I think a stock height racecraft spindle would work great. Basically a slightly lighter stock looking spindle that runs 3rd gen brakes.
Oh well, maybe I'll just bite the bullet and run drag wheels all the time
The racecraft spindle looks more like a factory unit that's fabbed instead of cast/forged, but the added in 2" drop really kills it.
I think a stock height racecraft spindle would work great. Basically a slightly lighter stock looking spindle that runs 3rd gen brakes.
Oh well, maybe I'll just bite the bullet and run drag wheels all the time






