NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   Rotary Engine Building, Porting & Swaps (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/)
-   -   Engine Rebuild Costs (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/engine-rebuild-costs-9125/)

pengaru 12-12-2002 05:40 AM

http://pengaru.com/~swivel/cars/rx-7/13bt-rebuild.jpg



this is everything basically, except oil pump / oil pump chain, front pieces (torrington bearings etc, another $100 or so for all that) no front cover... no wber jets for oil jets mod, no thermopellet plug, no pilot bearing and seal... but the bulk of the possible rebuild costs are there.



I basically just did this rebuild, cept I used NA S5 rotors and NA S5 end housings, and reused my eccentric shaft. I also ordered all new S5 ribbed tension bolts (almost $300 in bolts right there)



It gets expensive if you let it, I also included the hardened RB stationary gears in the order... I also had mazdatrix street port the new housings.

Fd3BOOST 12-12-2002 05:45 AM

Good job, you beat me to it.

pengaru 12-12-2002 05:54 AM


Originally Posted by Fd3BOOST' date='Dec 12 2002, 11:45 AM
Good job, you beat me to it.

I stay at work all night hoping to get work done on a project and instead I just spend all night procrastinating. Sorry if I ruined your fun https://www.nopistons.com/forums/pub...IR#>/smile.png

DJ Rotor 12-12-2002 08:25 AM

You shouldn't need the eccentric shaft and most likely won't need the side housings, rotors, or gears either. There goes a large chunk of your cost.

pengaru 12-12-2002 09:36 AM

nod, I believe the point was to demonstrate worse case.

vosko 12-12-2002 09:52 AM

my engine cost about that much everything is new except rotors and eshaft.......... mucho deniro!!!!!!!!!!

pengaru 12-12-2002 10:51 AM


Originally Posted by vosko' date='Dec 12 2002, 03:52 PM
my engine cost about that much everything is new except rotors and eshaft.......... mucho deniro!!!!!!!!!!

damn, i did new rotors too https://www.nopistons.com/forums/pub...DIR#>/wink.png S4 to S5... but I saved on labour by doing it myself...

vosko 12-12-2002 11:06 AM


Originally Posted by pengaru' date='Dec 12 2002, 11:51 AM
damn, i did new rotors too https://www.nopistons.com/forums/pub...DIR#>/wink.png S4 to S5... but I saved on labour by doing it myself...

its not that much when you spending $4000 on parts. when i say everything on my engine i mean oil pump, etc

j9fd3s 12-12-2002 11:19 AM

yah i have a motor like that, it is a 12a though so

8871 side housings $350 total

n201 rotor housings $650 total

harden stationary gears $450?

new rotors $700

all seals and gaskets $800

competition oil pump $150



$3100!



mike

norotor_nomotor 12-12-2002 03:07 PM

cool... only difference is im gonna be rebuilding an 87 but i guess the prices wont differ by much


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