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crank shafts

Posted: Tue Mar 12, 2013 8:35 pm
by 1995 390 express
hello hope everyone is well- my question is- are the crankshafts in left and right hand rotation 454 gm engines the same ? i think they are and im just looking for some reassurance before i make a decision thanks for any advice.

Re: crank shafts

Posted: Wed Mar 13, 2013 6:36 am
by Allen Sr
I believe they are the same. I think the only difference is the camshafts and starters.

Re: crank shafts

Posted: Wed Mar 13, 2013 2:26 pm
by Stripermann2
Allen Sr wrote:I believe they are the same. I think the only difference is the camshafts and starters.
Plus the timing chain vs timing gear set-up.

Re: crank shafts

Posted: Wed Mar 13, 2013 4:06 pm
by 1995 390 express
thanks for replys- had a little issue with new rebuilt motor. spun a rod bearing but i have a great crank with original standard bearings from opposite side. hoping to just swap with new set of bearings.

Re: crank shafts

Posted: Wed Mar 13, 2013 9:23 pm
by Big D
Which one was rebuilt and spun a bearing, the counter rotator? Any indication why it spun?

Re: crank shafts

Posted: Thu Mar 14, 2013 6:43 am
by prowlersfish
Big D wrote:Which one was rebuilt and spun a bearing, the counter rotator? Any indication why it spun?
x2

And you need to change the rod on the bearing that spun.

Re: crank shafts

Posted: Fri Mar 15, 2013 4:23 pm
by 1995 390 express
thanks guys -it was the reverse rotation engine and the cause was me. installed the engine-pulled out distibutor to prime the oil pump. put it back in and didn t tighten down the fork enough- while motor was running the distributor popped up a bit dissengaging the oil pump drive. doesn t take long to ruin with no oil pressure.