NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   Can't Get It Off (https://www.nopistons.com/2nd-generation-specific-17/cant-get-off-24037/)

Apex13B 09-03-2003 07:24 PM

https://sdp-si.com/ss/gif/79010014.JPG





that is a cap head screw, sorry about the post *****

Pazuzu 09-03-2003 07:27 PM


Originally Posted by Apex13B' date='Sep 3 2003, 05:24 PM
https://sdp-si.com/ss/gif/79010014.JPG





that is a cap head screw, sorry about the post *****

Why wouldn't you use a hex-head cut-off-bolt-head-thingy? Lot's more power with a true box wrench then some little allen wrench...

Apex13B 09-03-2003 07:30 PM

The welding process loosens up the screw, especially when there is penetrating oil used. You wont need torque. I use this technique on Ford header plates all the time. https://www.nopistons.com/forums/pub...#>/biggrin.png



you flash heat the screw to near melting point and then cool it down, the lattice shifts and the screw FLIES right out



-nick

Rob x-7 09-03-2003 07:33 PM

heat and wack the **** out of it

Cheers! 09-03-2003 07:34 PM

if the thing has been soaked in pb-blaster / penetrating lube... and you apply the propane torch to it. BECAREFUL! think twice! Hose off the PB-plaster first. or use non flammable liquid wrench.



Don't ask me how I know htis



https://www.nopistons.com/forums/pub...#>/biggrin.png

Apex13B 09-03-2003 07:38 PM

poof, OH **** MY CAR

Rob x-7 09-03-2003 08:02 PM

a little fire never hurt no one



puts hair on your chest, or do I have that backwords? Takes hair OFF your chest, lol

teknics 09-03-2003 09:33 PM

if you have an air compressor and an impact wrench get a screwdriver and find an impact socket that fits snuggly over the handle.



put screwdriver into socket, put socket on impact gun and all you do is push as hard as possible into the screw then pull the trigger a bit to try to loosen it.



did this to frestyle's rotors and it worked wonders.



kevin.

mazdaspeed7 09-03-2003 10:11 PM

Drilling the head off will be the easiest way. The threaded part comes right out after you drill the head off. That was after I broke a bit using an impact driver like that. It twisted the bit 90 degrees before it finally broke.

j9fd3s 09-04-2003 11:05 AM


Originally Posted by mazdaspeed7' date='Sep 3 2003, 07:11 PM
Drilling the head off will be the easiest way. The threaded part comes right out after you drill the head off. That was after I broke a bit using an impact driver like that. It twisted the bit 90 degrees before it finally broke.

yah i drill em too



mike


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