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/)
-   -   Flywheel Torque (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/flywheel-torque-69718/)

dac 05-04-2008 11:15 PM

What is the best way to torque the nut on the flywheel?



I don't have a torque wrench with the capacity of 300 ft pounds.



I have the Mazdatrix 3 foot bar, and flywheel stop. Can I just use that?



Assuming I can get the pilot bearing out.

hsmidy 05-04-2008 11:53 PM

yeah you can use that if you can put enough weight on it, that or go find ya local diesel mechanice (truck work shop) and ask to borrow there torque wrench

psyclo 05-05-2008 12:08 AM

You have a 3 foot wrench? Easy, find someone that is close to 100lbs and hang them on the end of it. Torque = Force x Radius.



As for the pilot bearing...... hard out, gentle in. That bearing is a PITA.

j9fd3s 05-06-2008 11:41 AM

ive got the 3 foot bar too, 150lbs guy + 3 foot bar = close enough.



ive also never had a problem with an impact gun either, although its prolly like 150 ftlbs

dac 05-07-2008 12:53 PM

So I'm like 210.... So what stand on one foot? LOL



So I need to borrow a 100 lbs kid. Hmmm



Going to pressure test the motor tonight. I made a front block with a Tire Scheder valve in it and a air gauge, but had a heck of a time plugging the holes in the side of the housing (for the Turbo Water).



Again more Mazda only tools... For Sale/Rent



Maybe NoPistons should take a collection so people could borrow them??

j9fd3s 05-07-2008 07:54 PM

i think its like a foot and a half?

dac 05-07-2008 11:13 PM


Originally Posted by j9fd3s' post='900026' date='May 8 2008, 01:54 AM
i think its like a foot and a half?



Well I did my best at putting as much weight on my 3 foot wrench as I could without flipping the motor over on it. I put RED lock tight on the nut as well. Gonna run to PineappleRacing Friday to get a new pilot bearing. So I am hoping I can get the motor put in this weekend. https://www.nopistons.com/forums/pub...IR#>/smile.gif HAPPY HAPPY JOY JOY.



Still got more work to do. New Radiator (which isn't here yet) Drain the 2+ year old gas... And a bunch of little things.


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