Originally Posted by BIGVTWIN

I run that much through my bike and have not had a problem as is the same with many other riders out there. I have yanked on it two up with wife, solo, and girl friend and have not even heard a bad sound or had a thought something was a miss.
However there are few people with those numbers that have had problems with crank. Most have self admitted that it was there fault. Whole shot runs,burn outs , clutch drops, all put a lot of stress on the crank.
If you are going to ride it like you stole it and abuse the hell out of it the chances go up that the crank will be a problem. If you can afford it I would say that it is always a good idea to do the crank work. I had concerns over my build and not doing the crank and must say that I have none now.
Just my.02 worth.

Originally Posted by 2009blackpearle

jamie what kind of cpp number do u end up with the 10.5 pistons and level b heads with the 888 cams. are the stock heads reworked about 85 cc chamber volume.
I have a 103 but made the mistake of blowing a fortune on se mva heads then finding out the stock reworked heads would have worked just as well. I changed to the se 10.5:1 pistons to match the mva heads. a builder near me said the air velocity is higher in stock reworked heads than my mva . am I correct in assuming flow is one thing but the speed of the air or velocity is critical also. I do have my original 96 cylinders and heads that I could bore out to 107. Since i already have the mva's with built in electric decompression releases I'm wondering how the mva's may work with 10.5 pistons and 888 cams. harley specs says the port volume is 98 and 2.120 intake valves, I dont see a exhaust valve size. combustion chamber volume 95 cc and lists scfm specs--lift-scfm flow .5lift-279
.55 lift-284 .6 lift-290 .65 lift-295
motor is at 103 now I have andrews 32h in bike now. the andrews doesnt seem to have the pull the 255 did with this set up above but the 255 causes a way too high a cpp with the 10.5 compression. I had a lifter start to pit up on bottom and put minor scratches in my 255 so i put the andrews in and ended up with a better cpp for the 10.5 compression.
lastly did u use woods lifters with the set ups
would the 888 work with a 103 or is the air flow volumes too low for the 888 cams with the slightly lower cylinder volumes

Originally Posted by soft 02

Jamie are your pistons compatible with H beam rods. I am sending my crank off in a month or so to have the stronger rods done and full crank work but I was wondering if your 107" pistons will fit right up or not. Thanks...

Originally Posted by 2010 ultra man

I don't understand why some people get all technical about the 107" build.Just get the 107" build as recommended for your riding style. You will get max power without having to touch the crank. Remember...your Harley is going to be fast....."Harley-fast".... it stops there. My bone stock $2,500.00-1998-998c.c. Kawasaki Concours- with tour bags full of gas obliterates my stripped down FLHTK Harley-Davidson 107" from a dead stop, on the track or the highway.Don't get me wrong, I love my 107. Just keep it simple, drop your bike off, let them do their magic and pick it up.This is my opinion.

Originally Posted by soft 02

Because 07+ HD cranks are a piece of ****. Its not if it fails but when.