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3 Rotor RX-7 2nd Gen Turbo II Project
(Pictures of the 20B teardown.)
1/8/2005 - Below are pictures of the long block 20B 3 rotor being
torn down and disassembled for a rebuild. We did not run into too many
problems, except for the removal of the 3rd lobe on the crank (eccentric
shaft). Special thanks goes to Tri Rotor for lending us a helping hand.
![](images/sm_20Bteardown1.jpg)
(Time to tear this 3 rotor down!)
![](images/sm_20Bteardown2.jpg)
(Tri Rotor and Dave beat me to it. I guess I'll take
pictures.)
![](images/sm_20Bteardown3.jpg)
(Arrrrrrgh! Aye tear down ye motor!)
![](images/sm_20Bteardown4.jpg)
(Hey hey! Please don't hump my 3 rotor!)
![](images/sm_20Bteardown5.jpg)
(Stock wiring harness goes in the trash!)
![](images/sm_20Bteardown6.jpg)
(I dub thee, "RATS NEST!")
![](images/sm_20Bteardown7.jpg)
(Look at that big A/C compressor!)
![](images/sm_20Bteardown10.jpg)
(Check out the sequential turbos.)
![](images/sm_20Bteardown11.jpg)
(1, 2, 3, 4, 5.... 6 spark plugs!)
![](images/sm_20Bteardown8.jpg)
(Down to a short block.)
![](images/sm_20Bteardown9.jpg)
(Close up of intake ports and exhaust ports.)
![](images/sm_20Bteardown12.jpg)
("S" is for the short tension bolts to the
intermediate iron.)
![](images/sm_20Bteardown13.jpg)
(Off comes the rear iron.)
![](images/sm_20Bteardown14.jpg)
(Rear rotor.)
![](images/sm_20Bteardown15.jpg)
(A raw view of the rotor and housing with the crank.)
![](images/sm_20Bteardown16.jpg)
(Another good shot of the crank (eccentric shaft).)
![](images/sm_20Bteardown17.jpg)
(A little pry on the lobe and a light tap and she busted
free.)
![](images/sm_20Bteardown18.jpg)
(Down to the front rotor and front housing.)
![](images/sm_20Bteardown19.jpg)
(I little love wipe.)
![](images/sm_20Bteardown20.jpg)
(The 3 rotor eccentric shaft AKA: Crank / E-Shaft.)
![](images/sm_20Bteardown21.jpg)
(All done! Time to clean the mess up! Hope you enjoyed it!)
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