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RX-7 1st Gen Specific (1979-85) RX-7 1979-85 Discussion including performance modifications and technical support sections

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Old 01-26-2009, 08:34 PM   #1
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My first build

I replaced all bearings and the rear and front oil seal















half bridge






FINISHED!











Hylomar is really really anoying to work with, but amazing stuff
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Old 01-27-2009, 11:53 PM   #2
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Nice. I can't wait until you put everything together. Why not just make one dedicated build thread and keep updating it?
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Old 01-28-2009, 09:26 AM   #3
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Too late maybe ...


Im still a bit worried about it

Not sure if its gonna work. Makes 6 solid WOOSH sounds, but I feel the apex seals a bit jammed. One the rear rotor they move freely against the spring force, on the front... takes a lot to move them.

I guess Im gonna have to wait till the engine is in the car to make a real comp test and find out
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Old 01-28-2009, 07:47 PM   #4
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Took me a whole day just to do this...


no gasket on the front cover, not sure if you guys agree on this
















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Old 01-28-2009, 09:38 PM   #5
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Not bad. Not sure about the no gasket though, I would think it'll be ok though.

As long as you dont hear screaching and the engine still rotates freely w/ the wooshes, you'll probably be ok.

Good thing is rotaries will run pretty much on any setup - bad build or good. Its the first rebuild, if it makes it 15K miles vs 100K miles, what matters is you built it and you've learned a new skill
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Old 01-28-2009, 09:49 PM   #6
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Quote:
Originally Posted by WE3RX7 View Post
Not bad. Not sure about the no gasket though, I would think it'll be ok though.

As long as you dont hear screaching and the engine still rotates freely w/ the wooshes, you'll probably be ok.

Good thing is rotaries will run pretty much on any setup - bad build or good. Its the first rebuild, if it makes it 15K miles vs 100K miles, what matters is you built it and you've learned a new skill
Thanks man, I needed kind words today.

I ported the hell out of the engine, I wanna take this car to drag races

Lets hope the engine turns out ok
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Old 01-30-2009, 03:09 PM   #7
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I'm sure it'll be ok for a while. After seeing some rebuilds put together with practically ALL used parts and in a hurry and still make it down the track, I'm sure it'll work out,lol.
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Old 01-30-2009, 10:35 PM   #8
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Some vids you guys might enjoy

End play


Pressing out stat gear bearings


Pressing in new rotor bearings


Rear pressure regulator mod
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Old 02-03-2009, 09:24 AM   #9
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Very nice shots, xlr8. I hope your hard efforts and cleanliness pay off in yummy performance goodness!
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Old 02-03-2009, 09:34 AM   #10
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One of these days I'll have to do some porting. I'd love to have the extra hp, but right now I'm too into autocrossing and class restrictions don't allow for any porting. Eventually I'll probably move up to a class that does allow it, but then I'd need all other kinds of upgrades to keep up (bigger brakes, bigger tires/wheels, and the list goes on and on).

I hope your build works out for you. But even if it doesn't, just remember to take the knowledge you've picked up and keep going. Nothing is a total loss...


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Old 02-03-2009, 10:57 AM   #11
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I´ve decided that even if it goes wrong I will keep trying

today I picked up the paint to do the engine bay before installing the engine
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Old 02-04-2009, 01:56 PM   #12
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oil pickup mod









I still need to work it out with the dremel
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Old 02-04-2009, 07:07 PM   #13
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Good deal my friend. You took the challenge and that alone is worth praising. Good luck.
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Old 02-04-2009, 07:40 PM   #14
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that looks as though it'd be way more efficient than the factory setup, much broader area.
do you plan on putting a screen on there?
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pissed off?being that close to a rotary, id say youd be pist-on
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Old 02-04-2009, 07:54 PM   #15
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Quote:
Originally Posted by takahaski.r View Post
that looks as though it'd be way more efficient than the factory setup, much broader area.
do you plan on putting a screen on there?
nop
the screen is a big restriction to flow.

I have to be VERY carefull with the sealant when installing the oil pan
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