Weight of Stock RX8 Parts
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Joined: Apr 2009
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I have begun compiling a list of all the weights of the various stock parts of the car
Please PM Zoom44 or Brillo to add any additional information.
Base RX8 / cloth seats / no sunroof / fully fueled - 2960lbs
Hi Power Engine Fully Dressed (Flywheel but no clutch) less Airbox - 267.5lb (per Racing Beat)
Short Block with no attachments per MazMart - 184.0lbs
Stock Wheels (18'') - 21.5lbs
Stock Tires (RE040 18") - 26lbs (some users have reported 28lbs...need to check)
Stock Small Battery - 21.1lbs
Stock Replacement Battery - 37lbs
Lug Nuts - 0.3lbs
Engine Cover - 2.3lbs
Battery Cover - 0.7lbs
Emergency Tire Kit - 4.8lbs
Washer Fluid Tank (full) - 1.43lbs
Car Jack with Case - 6lbs
Bumper Reinforcement - 15.6lbs
Front Seat (power/leather) - 55lbs
Front Seat (cloth/base) - 37.5lbs (including sliders and mounting equipment)
Stock Catback Exhaust - 38.6lbs
Stock Cat & Midpipe - 23.2lbs
Stock Exhaust Manifold (with O2 Sensor) - 17.6lbs
Stock Intake System - 13lbs
Full A/C System - 18lbs
Stock Power Plant Frame - TBD
Stock Aluminum Hood - 15lbs
Stock Front Brake Rotors - 18.5lbs each
Front Calipers and Pads - 13.0lbs each
Stock Rear Brake Rotors - 12.5lbs each
Rear Calipers and Pads - 9lbs each
OE Front Shock Assembly w/ spring - 11.5lbs
OE Rear Shock Assembly w/spring - 12.5lbs
Endlinks front each 7 oz
Front sway bar 6.3lbs
Fog lights 1.2lbs
Oil pan with bolts 4.7lbs
headlight washer with hose 1.75lbs
4 brake dust covers 2.4lbs
Strut Front Bar 4lb
Aftermarket Parts:
Mazda Speed Exhaust - 33lbs
RX8 Store Cat - 11.31lbs
Greddy oil pan with bolts 6 LBS 1 oz
Intercooler piping with BOV no silicone couplings 7 LBS 0 oz
Greddy catch can 1.75lb
Greddy air filter 2 LBS
Interceptor X-EMS 3 LBS
Intercooler 10.6lbs
Turbo header with bracket 20.3lbs
Turbo *Greddy * 12.5lbs
Front racing beat sway bar 9.4lbs
Racing beat endlinks EACH 11 oz
Greddy strut bar Front 4.6lbs
Couplings with metal straps 3 LBS 0 oz
Greddy Front Strut Bar 4.6lbs
Please PM Zoom44 or Brillo to add any additional information.
Base RX8 / cloth seats / no sunroof / fully fueled - 2960lbs
Hi Power Engine Fully Dressed (Flywheel but no clutch) less Airbox - 267.5lb (per Racing Beat)
Short Block with no attachments per MazMart - 184.0lbs
Stock Wheels (18'') - 21.5lbs
Stock Tires (RE040 18") - 26lbs (some users have reported 28lbs...need to check)
Stock Small Battery - 21.1lbs
Stock Replacement Battery - 37lbs
Lug Nuts - 0.3lbs
Engine Cover - 2.3lbs
Battery Cover - 0.7lbs
Emergency Tire Kit - 4.8lbs
Washer Fluid Tank (full) - 1.43lbs
Car Jack with Case - 6lbs
Bumper Reinforcement - 15.6lbs
Front Seat (power/leather) - 55lbs
Front Seat (cloth/base) - 37.5lbs (including sliders and mounting equipment)
Stock Catback Exhaust - 38.6lbs
Stock Cat & Midpipe - 23.2lbs
Stock Exhaust Manifold (with O2 Sensor) - 17.6lbs
Stock Intake System - 13lbs
Full A/C System - 18lbs
Stock Power Plant Frame - TBD
Stock Aluminum Hood - 15lbs
Stock Front Brake Rotors - 18.5lbs each
Front Calipers and Pads - 13.0lbs each
Stock Rear Brake Rotors - 12.5lbs each
Rear Calipers and Pads - 9lbs each
OE Front Shock Assembly w/ spring - 11.5lbs
OE Rear Shock Assembly w/spring - 12.5lbs
Endlinks front each 7 oz
Front sway bar 6.3lbs
Fog lights 1.2lbs
Oil pan with bolts 4.7lbs
headlight washer with hose 1.75lbs
4 brake dust covers 2.4lbs
Strut Front Bar 4lb
Aftermarket Parts:
Mazda Speed Exhaust - 33lbs
RX8 Store Cat - 11.31lbs
Greddy oil pan with bolts 6 LBS 1 oz
Intercooler piping with BOV no silicone couplings 7 LBS 0 oz
Greddy catch can 1.75lb
Greddy air filter 2 LBS
Interceptor X-EMS 3 LBS
Intercooler 10.6lbs
Turbo header with bracket 20.3lbs
Turbo *Greddy * 12.5lbs
Front racing beat sway bar 9.4lbs
Racing beat endlinks EACH 11 oz
Greddy strut bar Front 4.6lbs
Couplings with metal straps 3 LBS 0 oz
Greddy Front Strut Bar 4.6lbs
Just had to bump this... Excellent info!
Racing is life!
Joined: Dec 2008
Posts: 45
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From: Grapevine, TX
Stock alternator weighs 13 pounds from what I can tell. (not sure if that's relevant to most of you) I'm looking for one that about half that.
Lexan was discussed a few pages ago. Mazdaspeed still has some pieces but the front windshield is NLA. I was sent to SHIELDS®
One of these days I'll chime in on stock front fenders vs. fiberglass ones.
Lexan was discussed a few pages ago. Mazdaspeed still has some pieces but the front windshield is NLA. I was sent to SHIELDS®
One of these days I'll chime in on stock front fenders vs. fiberglass ones.
Last edited by cpa7man; Nov 3, 2012 at 09:02 AM. Reason: spelling
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Joined: Jul 2007
Posts: 125
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From: Australia
does anyone know how much the stock doors weigh? both the front and rear? I'm thinking of getting some carbon fiber ones that weigh in at 12lbs if the the weight loss is significant it would be worth purchaseing because its weight from the center of the vehicle so it wouldnt have much affect on the front to rear weight distribution.
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Joined: Oct 2011
Posts: 434
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From: Houston, TX
Head unit (CD unit + A/C controls): 6.6 lbs
The Bose door speaker is lighter than I expected. Less than 2 lbs comes to mind. I'll have to weigh them again.
The door's heaviest pieces are the glass and the actual upholstery cover. The door itself is pretty light.
The Bose door speaker is lighter than I expected. Less than 2 lbs comes to mind. I'll have to weigh them again.
The door's heaviest pieces are the glass and the actual upholstery cover. The door itself is pretty light.
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Joined: Oct 2011
Posts: 434
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From: Houston, TX
Some more data. I hope it's not redundant and if it is, I hope it is consistent (just not willing to read the 2,718,281 posts on this thread)
Weight in grams
Front door trim (each) 2,900g
Front Bose speakers with amp module (each) 1,286g
Front door tweeter and its trim (each) 176g
Rear Speaker (each) 908g
Rear Amplifier 1,090g
Sound Module 180g
Center console - front bracket 293g
Rear speaker cover panel (with tweeter) (each) 664g
Rear seat/Trunk plastic panel (each) 270g
Rear center panel (between speakers) 574g
Center Console (plastic trim) 3,400g
Read side trim (behind suicide doors) (each) 780g
Weight in grams
Front door trim (each) 2,900g
Front Bose speakers with amp module (each) 1,286g
Front door tweeter and its trim (each) 176g
Rear Speaker (each) 908g
Rear Amplifier 1,090g
Sound Module 180g
Center console - front bracket 293g
Rear speaker cover panel (with tweeter) (each) 664g
Rear seat/Trunk plastic panel (each) 270g
Rear center panel (between speakers) 574g
Center Console (plastic trim) 3,400g
Read side trim (behind suicide doors) (each) 780g
there are 28 grams/oz and 16 oz/lb (and always at least one person marching out of step with everyone else)
will you please correct your earlier post to the common weight unit rather than make everyone grab a calculator?
will you please correct your earlier post to the common weight unit rather than make everyone grab a calculator?
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Joined: Oct 2011
Posts: 434
Likes: 4
From: Houston, TX
HID headlight assembly - 5.8 lbs (each)
Fog light assembly - 0.77 lbs / 12.3 oz / 351 g (each)
Oil cooler duct (plastic piece used instead of fog light assembly) - 3.1 oz
Note that the fog light assembly was previously reported to weigh 1.2 lbs in this thread, which must be either incorrect or referring to both fog lights (plus/minus error)
Fog light assembly - 0.77 lbs / 12.3 oz / 351 g (each)
Oil cooler duct (plastic piece used instead of fog light assembly) - 3.1 oz
Note that the fog light assembly was previously reported to weigh 1.2 lbs in this thread, which must be either incorrect or referring to both fog lights (plus/minus error)
