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Great info Mike ;-TI needed a set of studs too a while back for a 750 8V project. At that time the ony way even Martin Hagemann could help me was selling me an additional used V75/4 crank case - happy for that today, as it turned into an additional mill later on ;DGreat work and great info ;-T
Great work and great info
Both pistons were weighed with rings. An interesting note, the V75 wrist pin is a lot heavier than the V7 Classic wrist pin. 16 grams heavier. At this point I am going to either lighten up the V75 pistons, or order some pistons from Arias that are the proper weight.
Couldn't you also have the crank (re)balanced to work with the new heavier pistons?
Any chance you will have this ready by RvM in a few months? I'd love to see this thing in the flesh when you're finished.
Sir, I salute you! ;D ;-T I assume that Imola heads are available? It would be absolutely great to not have to worry if I trash a head. ;D If spending a little money will fix it.. no problem. ;) ;D NLA sends a shiver through my spine. I've dealt with that stuff on antique airplanes entirely too often.
Fabulous effort that I bet will pay good dividends. I wish the factory had done as much when they "redesigned" the 750 top-end.I'm also interested in how the power train will handle the expected power increase.Thanks for your work !
The Guzzi Baja Dakar bikes got the crap beat of them and most of the failures were in the frame and wheels. They did use a swingarm and rear hub from a LeMans adapted to the SB gearbox though so that much for sure is entirely different from what Mike will be using. I haven't seen any reports on the current swingarm assembly experiencing failures in recent years (I could be oh so totally wrong...) so perhaps the weak points of years prior have been resolved. One would hope so anyway.Hey Mike, does a digital scan imply that they could make entire heads?
I will call and ask, sounded like to me they have to have something to work with though. I don't think they could do an entire head.
I'm eager awaiting the end results. However...I love the Heron heads. It's the last production motorcycle with them, and it gives a broad powerband that starts down low in the rpm range.With a marque as small as Guzzi, if they started making 4 valve heads I fear the would drop the Herons.
I'd been looking to do this for a few years, but since I still can wip up heads here, I'm too much a mizer to fork out the money. However, degitizing the heads fully, would make possible a production, as well as implementing a few improvements like slightly wider cooling fins. This would serve two purposes, like better cooling and look better too. I always liked slightly over sized heads compared to the cylinder, like the Ippo. Looks cool right :) Just 1-2mm over shooting the diameter of the cylinder.
Yes, don't get me started on the Ippo/aero heads. One of these days.... :) :) :) ;-T ;-T ;-TI'd like to give it a few years, and buy a 2013 Racer and put some square cylinders and Ippo heads on it....sheesh!! This small block obsession is hard to shake! LOL
Whatever happened with that Guzzi powered drone (with the Ippo/Areo engine) that was being offered for sale last year in southern USA?
It just seemed to vaporize...