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LOL he's a really nice guy and offers very fast turn around, I'm in another State and including shipping time I had it back in 1 week.

No probs Ric. Just did a PILE of research into this before having Michael build mine ;) I don't think he cares about having a website as his work is mostly word of mouth.

TW: Correct! Guess I'm one of the few that's had both cranks in the same motor with no other changes within weeks so had a chance to make a direct comparison ;) 7M 6M

No need to line bore Rods are the same Both cranks are fully balanced but the later 7M crank has smaller counterweights on all throws whereas the early 6M style crank has larger counterweights and misses a couple of throws and will be harsher across the rev range.

Seemingly there's an Oil feed issue to the planetry gears set that needs the case mod to prevent failure.. MV uses Brown clutches as according to Mike they have more friction area and hold better than Blues.

:runaway:

Use quality Viton seals ;)

Lane: LOL did you make 400 on a 65K old bottom end and was it easy ;)

Andy: 55+ psi so I'm careful to NOT rev the motor too much when cold, 10/60 Castrol Synthetic.

Ric: Damn who ships a gasket in Wood ??? :aigo:

There's quite a bit of custom machine work that needs to be done to the case.....

You have a huge IC so bugger all restriction = loads of FLOW stock plug gaps are HUGE and it's a 10+ year old Ignition system so yeah could very well be .... Only guessing here from the information you've posted.

How long did it run and what assembly lube was used?

Could be spark blowout and when the silencer is in it cuts down on the flow through the motor which in turn lower cylinder pressures which prevents the spark going out which makes it drive better ;)

Yeah 400's easy 65K bottom end no probs......:nono: Ask for a show of hands those that have a genuine 400rwhp in street trim more than once without any dyno cheats...... If it were that easy EVERYONE would make 400+.

Ummm and they would be? There should be a leaflet with them

I worked in the industry when I was a kid and can't believe this sort of dodgy shit is still going on...... :(

Sorry can't remember the brand Supragirl/Suze got it for me so I could keep CC with my Momo.

None taken :D Can't be sure but it looks local to me...