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/)
-   -   Dumb Question (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/dumb-question-31185/)

j9fd3s 01-02-2004 02:10 PM

i recently had an engine apart and since i dont have a tq wrench i just put the nut back the way i found it, the hex pattern was on the flywheel and i just mached it back up. is this good? bad?



mike

75 Repu 01-02-2004 02:16 PM

hmmmm.. You seem buff enough to put it back on snug.. but the mark can be misleading.. maybe under torque it may have taken a coule more turns.. but you should be okay.. till the flywheel shoots out of the tranny and cuts off your legs..

j9fd3s 01-02-2004 02:18 PM

ive never had one of those nuts fall off on me (knocks on wood)

kahren 01-02-2004 02:24 PM

how much do u weight? take a 2 foot bat nad hang on it at 90 degre angle that will bring it to 360 ft lbs https://www.nopistons.com/forums/pub...IR#>/smile.png

boost_creep 01-06-2004 11:13 PM

360 ft lb is what you need. But my suggestion is to buy a torque wrench. You without legs is not a lovely sight https://www.nopistons.com/forums/pub...IR#>/blink.png . Imagine having to drive your RX7 with hand controls https://www.nopistons.com/forums/pub...1047683473.gif . That should be enough to convince you that you should buy a torque wrench.

rx7_re 01-07-2004 01:20 AM

Simple physics, Torque = forceXdistance



how much you weigh times how long the bar is.



adjust the length of the bar till you hit 360ft/lbs and bingo.

phinsup 01-07-2004 01:22 AM

We used to do this with the Ford rear ends, they said when re-installing the same ring and pinion (say just doing bearings) to mark the nut, then turn about 1/8 inch past the mark and back it off to the mark. I dunno wtf that did, but that is the way we always did it LOL

mazdaspeed7 01-07-2004 01:29 AM

You *really* want to be sure its torqued down. Bad things can happen when it isnt. Just trust me on this one...

pengaru 01-07-2004 01:58 AM

did anyone else see that flywheel just roll by?

andynogo 01-07-2004 03:28 AM

360ft/lb- pah!



I take the scientific approach and do them up FT.



That's F@%king Tight if you hadn't realised..... https://www.nopistons.com/forums/pub...#>/biggrin.png



Imagine a 210lb fat b@stard jumping up and down on a metre long spanner, and you've just pictured me in my workshop! https://www.nopistons.com/forums/pub...1047683329.gif


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