Installed pistons/rods crank wont turn.

[FastGS-T]

Ok crank spun freely and i installed the pistons and rods, now it wont turn.

The caps were not with their rod when i got them (used 1g Big Rods) but I am using new bearings and the crank is turned 10 under. So should it still matter the cap order? I know i can try and spin it after installing each rod till i find the problem but i want to make sure i know what to look for befor ei take it apart

the locks for the bearings touch the same side on the rod and cap correct?

also i dont have the bolt that goes into the crank to turn it, i was using a crescent wrench with it cought on that lip on the end to put the sprocket on correctly. Do i just need that bolt? I was turning pretty hard

edit: also when i un torqued the main caps the crank turned fine with the rods attatched.. was i just not turning it hard enough?

 

[luvmygst]

Plastigauge is your friend.

GO back through and check all of the clearances. It sounds like you have somthing binding.(to point out the obvious) If it turns when you loosen the mains I would go back and make sure yyou have the correct bearings, and mic everything. Better to take the time now and get it 100% than have to take it back out of the car. Good luck

 

[FastGS-T]

Yeah man I used plastigauge, and everything was correct, I just went back and added more assembly lube, and turned the crank each time a torqued on a cap to make sure the caps were in the right place. Then once it was all torqued again i can turn it now

 

[luvmygst]

I rebuilt my 7 bolt and I checked everything twice. The first time it made about 400 miles and spun a main bearing. I took it back out and did everything again, it made it about 350 miles. Im going to a 6 bolt. I hope you have better luck than me. From the research I have done it has somthing to do with the main girdle, it has no way to positivly locate itself when reinstalled. I thought about putting the dowel kit in it but I just gave up. Good luck.