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Hey guys so that worked out pretty well. Thank for all the help! So I hope ahead here but I decided to try and make some sparkplugs and well this is what I got....

damn!!! sooo..... the trust bearing i was using on the head had to much play... seemed great at first but i guess that was all grease that was keeping it tight. as i spun this and made the first cut it started very well nice constant spiral chip coming off but as soon as that bearing grease...

Wish me luck im testing this out right now

Yes I will be going for the o original 16v head however I will be sorting out all the bugs(timing, cams) with an 8 valve head at first. Steve does this look appropriate?

okay cool ill try 45 degrees here in a bit i through more pics up tonight

sweet! thanks I'm not sure how i thought of that haha, so yes the bearings are a very snug fit. pressed in both fixtures and the oiled brass bearing on the sliding fixture is a butter fit. and yes ill have about an inch of access movement on both sides if i place the cutter in the correct spot...

oops forgot the pics....................

okay so there a pic of a broken carbide 1/8in endmill. Now i figured this should be a good cutter although I need some input on what shape i should make it? just like a lathe turning bit, just i nice squared off corner? and also shown in the pics is how should i position it, angled,straight? im...

Hey guys so this is what i came up with so far. this only took me an hour to make i have not tried this yet ill test on some scrap. I would like to get some input on my cutter IE angle,shape ex....

Awesome! Thanks okay well that's kinds what I was thinking I started that and got to the 3rd journal with the boring head. I'm just to scared to flip it and try the last two. And ideas on how to get it centered when I flip it I can't fit a dial Ind. Through the first two hole and measure the...

thanks for the response. the girdle is 5052 t65 and the blocks 7075 t70. so the girdle is not necessarily soft just softer. but im not sure i follow you i understand line boring although when doing that the boring bar is held center on both sides. I cant really do that on a mill (that i know of)...

sweet! ya datsun's are the S**t. I have a 90 240sx thats all races out 6 point D1 cage and have the sr20det fully build 497hp 576ft-tq sucker rips bro! check her out. https://www.youtube.com/watch?v=Iq8ZVpPoZfQ

Hey guys, Okay so this is my first engine build and i decided to make a scaled down 4" long SR20DET (Japan turbo 4cyl).;D Now I'm working on the block, shaped, bored cylinders and cut out crank housing. I am now trying to cut my blocks main journals. Now i do not have a lathe or access to...

Let's see..... my opinion is it all depend on the "max runout " you wanna see and or wanna work around. All thread is just mild steel sometimes galvanized or with a zinc coating. Which is very weak for the type of stress you are applying. Will it work yes, is it ideal probably not. Ive never...

Sweet! Ya I will be in the same process here in two weeks. Im making my 4th axis on my mill table a lathe as well. I have a good simple light and sturdy plan. But I have been having troubles finding the right bearings. Need ones with no play really no more than 2 ten thaow but...