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\r\n __________________
\r\n \'89 RX7 GTU, half-Bridge-port S4/S5 NA, E6K, Full RB exhaust, weekend warrior.
\r\n\'83 RX7, The "this might take awhile" project.
\r\n\'87 RX7 GXL, Rest In Pieces.
\r\n\'98 Subaru Impreza Outback-sport, rx7 rescue vehicle, down for repair.
\r\n\'94 Ford Ranger, daily.\r\n
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Old 12-06-2010, 07:54 PM   #1
N.RotaryTech
Home-brew Rotary
 
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Join Date: Feb 2008
Location: GooseCreek SC
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Default My ongoing project car
All right, this month I'm redoing my HBP engine.
I'm actually going to tear down both motors I have and build up one good one.

First off is the original S5 NA motor that was in this car.
Some history about this motor:
I did a rebuild on this motor back in 2005 with the help of a builder. I did this cause I was totally new to rotaries. I wont mention or bad mouth the builder cause he kinda taught me what I know about doing rebuilds.
This motor ran really well till I swapped in the S4 bridge-port.
Ive put about 55k miles on this motor.
It drank a 1/4 qt of oil every 1500 miles it seemed.
I had it dynoed once, and it only made 131rwhp.
I raced a stock na subaru impreza wagon once and was even.
Toward the end of the last few thousand miles I put on this motor, I revved the hell out of it and I bounced it off the rev limiter a couple of times.

Well today I tore it down, and this is what I found.





If you look carefully, you'll notice that there are no corner seal plugs in this side of the rotor!?




All the other corner seal plugs have been located. So 3 were not installed.

Build up of ? junk.


The porting on the center iron.




Im going to use this center iron and the stationary gears from this motor cause the bearings look better than the ones in the S4 motor.

That's it for today.






__________________
'89 RX7 GTU, half-Bridge-port S4/S5 NA, E6K, Full RB exhaust, weekend warrior.
'83 RX7, The "this might take awhile" project.
'87 RX7 GXL, Rest In Pieces.
'98 Subaru Impreza Outback-sport, rx7 rescue vehicle, down for repair.
'94 Ford Ranger, daily.
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