13b weight
how much does a 1993-1994 mazda 13b twinturbo rotary engine weigh?
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Me and a couple of my skinny bitch ass friends are going to be carring one out of the basement in about a week so i can tell you then.
I think you also might be able to find info on it in the whole v8 vs 13b threads, I know i've seen it. ~Luke |
410lbs including turbos and all accesories, PS, AC , airpump etc. IIRC.
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13B or 13BREW?
BIG difference in weight, the FD engine (13BREW) has all the turbo weight. It DOES weigh in the 400+ pound range. |
How much does just a short block weigh?
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I picked one up once, then almost fainted. Must be well over 300 lbs. Lifted it over 3' into the back of my SUV.
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Shortblock (flywheel, waterpump, thermostat, pulleys and block) ia about 70kg (around 140lbs). One man can put it out of the car.
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400 lbs? that means that 250 lbs for the ps, ac, turbos ect.... that seems a little on the high end of guessing to me
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Originally posted by XSTransAm 400 lbs? that means that 250 lbs for the ps, ac, turbos ect.... that seems a little on the high end of guessing to me BTW, 70 kg would be 154 lbs. :) |
when i shipped my motor to pineapple racing the second time, it weighed in at 145lbs with a 9.5lb flywheel, just the block/flywheel
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Originally posted by 93BlackFD when i shipped my motor to pineapple racing the second time, it weighed in at 145lbs with a 9.5lb flywheel, just the block/flywheel However, the cast iron exhaust and turbo manifolds are extremely heavy. The P/S and A/C, brackets and pulleys weigh about 38.5 lbs., according to the weight reduction matrix posted elsewhere. Add in an alternator (10+ lbs.) and air pump (20 lbs.), the lower and upper intake manifolds coils, rat's nest, a lot of plumbing, motor mounts, MOP, etc. and you could pretty easily come up with another 255 lbs. of weight. Jeff claims his local truck scales are spot on, and although I like to give him shit about it, I believe his weight is very close. However, the scales have an acceptable error of 0.2% or 2 lbs. per every thousand pounds, and a minimum increment of 20 lbs., so it could be 20 lbs. in either direction, especially since it was in the back of a pickup at the time. :) |
Truck scales RULE;)!
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Jeff, here's your vindication, from Mazda's own lips... :)
Page 10 of the 1993 Mazda RX-7 sales brochure... http://www.iluvmyrx7.com/3rdgen/manu...fd-rx-7_10.jpg The last paragraph on the page reads as follows... "The net result is a new powerplant, including engine ancilliaries, exhaust system, and final drive, that is much more powerful, yet at approximately 320 kg weighs no more than the previous engine" Now 320 kg is 704 lbs. (1 kg = 2.2 lbs.), and it just so happens that I know the weights for the rest of the "stuff" mentioned in that paragraph... :) Part - Weight (Weighed by) Final drive (differential) - 77.6 lbs. (Me) Transmission (5 speed) - 112 lbs. (Me) Powerplant frame - 22.3 lbs. (Bernd Kluesnener) Driveshaft - 14 lbs. (Jeff Hoskinson) Pre-catalytic converter - 22.6 lbs. (Max Cooper) Catalytic converter - 33.5 lbs. (Gene Felber) Cat-back exhaust - 33.6 lbs. (Max Cooper) Total: 315.6 lbs. 704 lbs. - 315.6 lbs. = 388.4 lbs., which with the weight of your pickup included, is probably within the acceptable range of error for the truck scale (415 - 388 = 27 lbs.) you used. Interesting. I think we have as close to an accurate weight for a 13B-REW with all accessories as we're likely to get, short of sitting one on a corner scale. :) 388.4 lbs. |
Okay Jim so block alone weighs?? 150lbs, is this the concensus?
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Originally posted by jimlab Jeff, here's your vindication, from Mazda's own lips... :) Page 10 of the 1993 Mazda RX-7 sales brochure... http://www.iluvmyrx7.com/3rdgen/manu...fd-rx-7_10.jpg The last paragraph on the page reads as follows... "The net result is a new powerplant, including engine ancilliaries, exhaust system, and final drive, that is much more powerful, yet at approximately 320 kg weighs no more than the previous engine" Now 320 kg is 704 lbs. (1 kg = 2.2 lbs.), and it just so happens that I know the weights for the rest of the "stuff" mentioned in that paragraph... :) Part - Weight (Weighed by) Final drive (differential) - 77.6 lbs. (Me) Transmission (5 speed) - 112 lbs. (Me) Powerplant frame - 22.3 lbs. (Bernd Kluesnener) Driveshaft - 14 lbs. (Jeff Hoskinson) Pre-catalytic converter - 22.6 lbs. (Max Cooper) Catalytic converter - 33.5 lbs. (Gene Felber) Cat-back exhaust - 33.6 lbs. (Max Cooper) Total: 315.6 lbs. 704 lbs. - 315.6 lbs. = 388.4 lbs., which with the weight of your pickup included, is probably within the acceptable range of error for the truck scale (415 - 388 = 27 lbs.) you used. Interesting. I think we have as close to an accurate weight for a 13B-REW with all accessories as we're likely to get, short of sitting one on a corner scale. :) 388.4 lbs. |
Originally posted by jimlab Jeff's not guessing, but I suspect that soru81 is. Just the rotors (9.5 lbs. ea.) and the flywheel (22 lbs.) of a 13B-REW weigh 41 lbs. BTW, 70 kg would be 154 lbs. :) |
Jim, are you sure the 320kg includes the PPF?, seems like the extra 22.3lbs would put jeff's weight spot on, and i'm not sure why it would be included
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Originally posted by yy4u Jim, are you sure the 320kg includes the PPF? Differential - 77.6 lbs. Pre-catalytic converter - 22.6 lbs. Catalytic converter - 33.5 lbs. Cat-back exhaust - 33.6 lbs. Total: 167.3 lbs. 704 lbs. - 167.3 lbs. = 536.7 lbs. I assume they meant to say "powertrain" instead of powerplant. Basically, everything between the shocks from front to rear in the picture below... http://www.iluvmyrx7.com/3rdgen/manu...fd-rx-7_02.jpg |
I'm working on my 7th and the freaking engine is kicking my nerves. I do have Carpal Tunel Syndrome and working on the engine without a crane or hoist. I'm lowering the engine between the frint frame and the front suspenssion assembly. Is a pain but, the 13B Turbo is heavier than I thought.
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