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Mattyo

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turn the surface of the lobe into a roughened surface to machine away excess jb.... whats so weird about that idea? if you are looking to minimize crank volume without doing a full circle crank that'd do it. you'd probably need to use an old or cheap crank, possibly a wallowed out bearing to slide crank into it, and spin it. ...then pull the bearing, put in a new bearing a good crank... voila... ya just got rid of excess case volume ...
 

Deets066

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turn the surface of the lobe into a roughened surface to machine away excess jb.... whats so weird about that idea? if you are looking to minimize crank volume without doing a full circle crank that'd do it. you'd probably need to use an old or cheap crank, possibly a wallowed out bearing to slide crank into it, and spin it. ...then pull the bearing, put in a new bearing a good crank... voila... ya just got rid of excess case volume ...
The crank does that already without modifying anything
 

Mattyo

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The crank can act as an abrasive...but not for initial seating. When you seat the crank. ...it'll stop wherever the jb is at its highest or most bulky point. If there is any rub over time I'll be gone...but if ya needed to crank to seat further you'd be sunk....at the initial seating ....it can only go so far. So if the jb is too bulky...the case halves won't come together .... and that would be sub optimal. Or am I cookoo?
 

Deets066

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The crank can act as an abrasive...but not for initial seating. When you seat the crank. ...it'll stop wherever the jb is at its highest or most bulky point. If there is any rub over time I'll be gone...but if ya needed to crank to seat further you'd be sunk....at the initial seating ....it can only go so far. So if the jb is too bulky...the case halves won't come together .... and that would be sub optimal. Or am I cookoo?
It worked fine for me, cases came all the way together and I was hard into the JB.
 

Mattyo

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So you did get a rub. ...interesting.

I don't have a set of 066 cases to play with now...but I got a China 440 kit to fiddle with ...you've given me some ideas :)
 

stihl_head1982

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These kits were from HLS pro parts (the site sponsor)? I looked on the site but didn't see them.
Were they a special deal for this competition thingy? (sorry I'm on the slow bus again).
 

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So you did get a rub. ...interesting.

I don't have a set of 066 cases to play with now...but I got a China 440 kit to fiddle with ...you've given me some ideas :)
Yeah it was locked up hard when I sucked the cases all the way together. Had to beat the crank to bdc and back to tdc with a beater and hunk of brass.

Then put a washer and flywheel nut on the crank and give her a whirl with the impact


Edit, I do not recommend this. Lol
 
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