hot rodding my gs 750/850

[duaneage]

Squish area is measured and profiled with clay. There are specific clays for this but I have used modeling clay before with good results.

If you are turning the crank and replacing bearings the deck height can change. I would torque the cylinders down with a torque plate to simulate actual conditions and check it at 2 positions per piston.

If the ports are larger than the 750 your going to lose the low end and have driveability problems. I suspect your going to have better midrange and highend performance, especially if the valves are larger. Larger valves = more cam lift without changing the cam. I like an oversized intake flow myself although some have posted that teeny tiny intake ports are better.



How the F*&K do you guys know this stuff? Seriously - you guys have to have extensive hands on experience or a room full of tech books to recite this info lickity-split

A little bit of all of that really. Mostly car engines for me, bikes are similar enough. Bikes do have tighter tolerances and the aluminum does react differently than a steel engine does. I have read many manuals and tech books cover to cover, including my Suzuki factory manual. A stomping good read for sure.\\/

[Nerobro]

I have this really weird habbit. I'll find something I like.. and then learn anything there is to be learned about it. I have feet of books on the subject. Hotrod magezines, some working with my own engines, lots of talking to my dad. My dad was a gearhead in the 60's and 70's.

Suffice it to say, i read.. a lot.