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View Full Version : So I put together my KA's bottom end and...

StryfeS13
08-10-2010, 11:21 PM
So I started assembling the block today...checked my clearances, they're all perfect, lubed up the bearings, installed the crank..But then I noticed something...

Is this even a KA24DE crank!? I have never seen the key slanted, like that. It spins smoothly and has no trouble whatsoever spinning...so I think it is the right crank, but that slant is confusing me.

http://i35.tinypic.com/2di0odd.jpg


And what is this..?

http://i36.tinypic.com/245ii5g.jpg
I think it goes into the timing chain sprocket..the one that bolts to the head.
ballinnmiami240sx
08-11-2010, 08:24 AM
wtf is that. I would get a hold of an FSM asap.

www.240SXTECHDVDS.org Factory Service Manuals Page (http://www.240sxtechdvds.org/FSMs.html)
Sileighty_85
08-11-2010, 10:14 AM
the key is removable thats why it look slanted, pull the key out and make it straight
repda916
08-11-2010, 11:24 AM
that key is called a Woodruff keys, or a half-moon key, pull it out put it in the slot to make it straight.
240Shwag
08-11-2010, 01:29 PM
Straighten the key as said. No big deal, it got bumped.

And yes, thats the bearing part of the timing chain part that bolts to the head.
StryfeS13
08-11-2010, 09:44 PM
Yeah I figured it all out lol. Im just paranoid.

Did anyone buy Supertech pistons? What did you have to gap the first and second rings to?

I did calculations and got 0.017 for the top ring, and 0.022 for the second ring. Just wanna see what you guys have done.
StryfeS13
08-12-2010, 06:01 PM
bump
msglength
rogersdrifting07
08-12-2010, 07:18 PM
Straighten the key as said. No big deal, it got bumped.

And yes, thats the bearing part of the timing chain part that bolts to the head.
^
&
Why did you buy Supertech pistons...
R33E8
08-14-2010, 06:57 AM
Yeah I figured it all out lol. Im just paranoid.

Did anyone buy Supertech pistons? What did you have to gap the first and second rings to?

I did calculations and got 0.017 for the top ring, and 0.022 for the second ring. Just wanna see what you guys have done.

You did calculations or did you physically measure it?
itwillboost
08-18-2010, 05:42 PM
I know if you look through turbo magazine's website they did a very detailed build of a ka and i believe they used supertech.