My RX7 FD3S Re-Amemiya Twin Turbo Build - Page 24

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Thread: My RX7 FD3S Re-Amemiya Twin Turbo Build

          
   
  1. #231
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    Fascinating stuff, so do you guys add 2-stroke oil to your regular pump gas tank? From my understanding, the OMP is meant to inject minimum amounts of conventional 4-stroke oil into the rotors to keep everything smooth and the seals happy. I'm guessing the idea behind the 2-stroke oil is preventative insurance in case the OMP fails? Do you experience any drivability issues with the added 2-stroke oil, or not really since it's made to be mixed with gas and still combust efficiently?
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    yup...the 2 stroke does the same thing as the OMP basically, but with more peace of mind and more reliably as well since its mixed directly to the gas, it also lubes the seals better than the OMP does because fuel injector spray patterns have a wider area than the small OMP nozzles

    i keep the OMP and premix just to be safe...little things like that are what keep rotarys running hard, revving high, and not popping seals
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  3. #233
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    Quote Originally Posted by curacaosfinest View Post
    ...i keep the OMP and premix just to be safe...little things like that are what keep rotarys running hard, revving high, and not popping seals
    Spoken like a true Rotary-head Nice job man! I am loving watching this build right now!
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    got some more work done

    setup the rest of the fuel system, and clocked the turbos to the right positions

    i must say its starting to look reallyyyyy interesting!!!

    also, we got a nice visit from one of my buddies down here, he brought his new car to get setup with some proper ISS Forged wheels!!!
    hes also doing a full restoration on it...should be beautiful!! its so awesome to see one of these again...Eunos Cosmo ftw!!



















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  5. #235
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    Quote Originally Posted by curacaosfinest View Post
    yup...the 2 stroke does the same thing as the OMP basically, but with more peace of mind and more reliably as well since its mixed directly to the gas, it also lubes the seals better than the OMP does because fuel injector spray patterns have a wider area than the small OMP nozzles

    i keep the OMP and premix just to be safe...little things like that are what keep rotarys running hard, revving high, and not popping seals
    Thanks for the info, learn something new everyday!
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  6. #236
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    This really is an incredible build, nice to see people really think there builds through and have the patience to do them correctly. Do you think you will make it to HIN next week?

  7. #237
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    Triple rotor FTMFW! But on the real, what kind of car is that in!? Videos? triple and quad rotors sound soooooo amazing!
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  8. #238
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    Quote Originally Posted by DanielGonz View Post
    Triple rotor FTMFW! But on the real, what kind of car is that in!? Videos? triple and quad rotors sound soooooo amazing!
    Eunos Cosmo

    Mazda Cosmo - Wikipedia, the free encyclopedia

    1990 - 1995

    Fourth generation
    • Production 1990 — 1995
    • Body style coupe
    • Layout FR layout
    • Engine 1.3L 13B-RE
    • 2.0L 20B-REW
    • Transmission 4-speed automatic
    • Wheelbase 2,750 mm (108 in)
    • Length 4,815 mm (190 in)
    • Width 1,795 mm (71 in)
    • Curb weight 1,570 kg (3,461 lb)
    • Related Mazda RX-7
    The Eunos Cosmo (loosely based on the 1985 MX-03 concept car) started production in 1990 on the new JC platform. The Eunos Cosmo was the top-line touring flagship of the Eunos luxury channel. It is the only Mazda to use a triple-rotor engine. The car was a 2+2 coupe and was loaded with power amenities. Only an electronically controlled 4-speed automatic transmission was available.

    Two engines were available, the twin turbo 13B-RE and the 20B-REW. The triple rotor 20B had 2 Litres (1962 cc) of displacement, making it the largest capacity rotary offered for sale by Mazda. It produced 300 hp (224 kW) and 300 lb·ft (402 N·m) with twin turbochargers. The JC series Cosmo set several firsts in Automotive history. Its 13B-RE and 20B-REW engines were the first series production twin sequential turbo systems to be offered for sale on a rotary engined car (The twin sequential turbo piston engined Porsche 959 predates the Eunos Cosmo by several years). The better known FD RX-7 didn't receive the twin turbo 13B-REW engine until early 1992. Plus was the first production car in the world to get a GPS option & the first in Japan to use the "Palmnet" serial data comms system for ECU-to-ECAT operation.

    This 4th generation Cosmo was way ahead of its time electronically as well by being offered [4] with Car Control System, a CRT colour touch-screen controlling climate control, mobile phone, GPS car navigation, NTSC TV, radio and CD-Player. Mazda promotional video for Eunos Cosmo (Japanese)

    The Cosmo was speed limited to 180 km/h (111.8 mph) to suit Japanese regulations, but the 20B-REW version was capable of 255 km/h (158.4 mph) if given a free run.[5] With over 380 N·m (280 lb·ft) of torque available at just 1800 rpm, the Cosmo could launch from standstill to freeway speeds quickly; however, this came at the expense of heavy fuel consumption. The JC Cosmo was expensive even by today's standards, as Mazda still has not matched the sales price of this car some 18 years later for anything else in its range.

    The Cosmo was manufactured from February 1990 until September 1995, and gathered a total of 8,875 sales. A split of 60/40 sales between 13B-RE and 20B-REW variants made the triple rotor 20B-REW version a rare car. Although the Cosmo remained a Japanese market-only vehicle (export had been proposed originally under the Eunos sales channel or the defunct USA-only Amati sales channel.[5] ), the Cosmo has found its way to RHD countries such as Australia, New Zealand, & the UK (LHD Norway)thanks to limited import regulations for private importers from these countries. The Eunos Cosmo appeared in Sega GT and in the Gran Turismo, Gran Turismo 2 and Gran Turismo 5 games, as well as the Arcade game series Wangan Midnight: Maximum Tune 1, 2 & 3.
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    Quote Originally Posted by abauza17 View Post
    This really is an incredible build, nice to see people really think there builds through and have the patience to do them correctly. Do you think you will make it to HIN next week?
    I will definitely be at HIN next week. Look for my car in the ISS Forged/Vision Autos Booth!!

  10. #240
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    Got some more work done this after noon

    Finally got my tires!! Continental ExtremeContact DW
    Front: 265/35/18
    Rear: 295/35/18

    they aren't my first choice at all, but they were basically the only ones that were on back order...it was either these or Nitto Invos, but the Invos are sad excuses for performance tires.

    I've heard good reviews, but i'll definitely be swapping these out for some proper BFGoodrich KDW2 and then the Toyo R888 for the track


    swapped out the pulleys with the new Touge Factory units. They really are awesome. Lightweight, brings the alternator pulley and water pump in the smaller stock sizes, and then the crank pulley is smaller and lighter...and it comes with a power steering pulley!! super sick kit and decently priced as well!!
    I put some comparison shots so you guys could see

    also did the turbo blankets on the twins they're finally ready to into the car for good!!!!






















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