[trax]

By now everybody and his brother has seen Colonel's weight reduction thread over at LS1Tech. Mike's (94Bird's) thread over at LS1.com was a big hit also.

In another week or two I'll be doing a bunch of weight reduction to the car and getting it ready for a 6-point rollbar over the summer. So I decided to pull up Mike's thread and assemble the several posts into a checklist to use on my own car. It's a great list of weight reduction specific for cars that still have to be able to turn (IMG:http://www.frrax.com/rrforum/style_emoticons/default/smile.gif)

Mike's list (as well as Colonel's) can be accessed as a formatted Excel spreadsheet here.

CODE

     Mike Taylor's (94Bird's) weight reduction list      

     Interior
           
49     Driver's Seat
43     Pass. Seat
19     Front bumper
2      Hatch Release Panel
42     Rear Seat and Belts
5      Steering Wheel Airbag
2      Foglights
15.5   Pass. Airbag
5.5    Rear Speakers & Panel
2.5    Rear Sound Insulation
0.5    Airbag mod. center console
0.5    Amp
4.5    Ctr. Speakers
4      Radio
3      Upper trim panel insul
3      Center console insul
-27    Corbeau Clubmans
-10    Seat Mounts
4      Cruise Control Mod
31.5   Carpet
26     T-tops
0.5    Front cap airbag sensor
5.5    Center console
14     Window
9.5    Interior Door Panel
8.5    Window Motor, Support Levers, etc
3      Door Speaker
4      Wiring, Screws, Etc
7.5    Door bar (ea)
2.5    Glovebox
28     Spare Tire
6      Jack


     Exterior
           
9      AC Condenser
15.5   AC Compressor
29     HVAC Box, blower motor, heater core, assorted hoses, etc
4      Headlights
19     Front bumper
2      Horns
7      Windshield washer reservoir (full)
3.5    Air pump
17.5   Stock battery in exchange for Hawker
42     Front lexan


463    Total

Any additions / changes?

[lateapex]

This is sort of on topic. I saw the most recent episode of “Sports Car Revolution” on the Speed Channel on 4/3 at 10:00 pm. They were working on a project car, an Acura RSX. They referred to a previous mod; they had changed the front brakes to Stoptech. They mentioned that they had lost 12 drive wheel HP from that. Since then, they had added a cat-back system and this week they upgraded to a Mugen low restriction, ram air filter box. These last 2 mods had regained most of the 12 HP they say they lost from the big brakes.

Did anyone see the earlier episodes? I would like to know how much weight the Stoptech system added. It is hard for me to believe that they could have lost 12 HP from a slight increase in rotating mass. Maybe it wasn’t slight. They spoke as if they were surprised by the size of the HP loss. I would be interested to know if they checked for brake drag after installing the new system, or if the whole loss is attributable to increased rotor mass.