NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   Rotary Engine Building and Porting FAQ Section (https://www.nopistons.com/rotary-engine-building-porting-faq-section-85/)
-   -   tension bolts (did you ever re-cadminum plate them?) (https://www.nopistons.com/rotary-engine-building-porting-faq-section-85/tension-bolts-did-you-ever-re-cadminum-plate-them-54979/)

Cheers! 11-15-2005 12:35 PM

Did you guys ever re-cadminum plate your tension bolts?

1Revvin7 11-15-2005 01:01 PM

I believe if you are going to use those stock T bolts, use them once and replace.

RONIN FC 11-15-2005 03:44 PM

Agreed, unless you like coolant leaks.

j9fd3s 11-15-2005 04:00 PM

we did it for the race car, oOoo shiny. i dont think the inside of the engine cares weather the bolt looks good or not

1Revvin7 11-15-2005 10:01 PM

Out of curiousity whats the cost on that?

j9fd3s 11-15-2005 10:20 PM


Originally Posted by 1Revvin7' post='778735' date='Nov 15 2005, 08:01 PM

Out of curiousity whats the cost on that?



its like powder coating, they do it by the pound. that was something that paul had had done a couple years ago.



it really does look nice to redo all the little bolts and brackets and stuff, in the gold cad

RONIN FC 11-16-2005 10:37 AM

What is it supposed to do to the bolt? Just make it shiney?

j9fd3s 11-16-2005 11:35 AM


Originally Posted by RONIN FC' post='778858' date='Nov 16 2005, 08:37 AM

What is it supposed to do to the bolt? Just make it shiney?



yep. you know how if you order a new bolt its that shiney gold color?

Cheers! 11-16-2005 11:49 AM

So everyone here who rebuilds their motor replaces even single tension bolt?

RONIN FC 11-16-2005 12:02 PM

I think of it like a cylinder head, or a flywheel, I wouldnt dare reuse bolts on one.



Torque isnt too high for them, so i guess you could reuse them. But I wouldnt, new bolts are cheaper than another rebuild.


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