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Hey

I have a quick tech question someone may be able to help me with.

In regards to preparing RB30 Crankshafts. I noticed a lot of people talk about grub screwing the crank

(Screw in oil gallery plugs fitted)

Where are these located on the crank and what is involved? I have a crank here and I'm going to take it to a local machinist to have some similar work done and there but there not what you would call a ' performance' shop but they do good quality work. If I have a rough idea of what is involved and the location it would make it easier to explain it to them if they are not 100% sure.

A close up picture if available of the finished product would be helpful.

Thanks for your time; any help will be much appreciated!

Edited by rbr31andrew
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https://www.sau.com.au/forums/topic/290079-rb30-crankshaft-grub-screwing/
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I wouldnt call it oil....more like solidified chunks of crap!

Thinners and rifle barrel brushes and clean all the holes out.

Tap, and bam!

Grub screwed, so next time you clean your crank out, you just remove the grab screws and then clean, then reloctite them back in! :down:

Edited by r33_racer

grub screwing is just a more reliable/re-serviceable way to plug the galleries than the factory pressed in plugs. you need to remove the plugs to clean the shit out of the oil galleries

any machine shop will know what to dom we do ALL rb and SR cranks just for safety. Many v8 builds its a pre

requisite.

Pissa is i googled crank grub screws and got my own picture from sau :rant:

http://www.skylinesaustralia.com/forums/po...rewed-crank.jpg

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