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| Originally Posted by skidlids But the thread wasn't meant to be just about Nogs crank, although the thread where it was mentioned was the catalyst for the initial question "No Modifications - what does it mean" To me and many others No modification means leave well alone, if it doesn't and relates to meeting factory specifications I'm wondering if I can afford this little lot one of my con rods is slightly heavier than the other and both are heavier than the minimum weight quoted by the factory, I know what I will do I will balance them so that the meet the factory minimum weight. After all the engine will be smoother and less likely to shake apart Same as above goes for the new pistons Also my rear cylinder head has a lower flow rate than the front cylinder head and I know someone elses flows more than that, so I think I'll get someone to alter them so they both match the higher flow rate of somebody elses engine, so long as I don't exceed the class bhp limit Just been comparing camshafts and found mine have a fraction less lift than my mates and are even different to each other, I'll have to get them ground to the factory tolerance that will give the best performance. I'm not modifyong them as thats probably how some left the factory. After checking the combustion chambers one is marginally smaller than the other so what I will do is match the other one to it, a quick skim will sufice after all its not really removing material as thats how it should have left the factory it just good practice to balance them out. Just found out so and sos flywheel weighs a tad less than mine but is still within factory tolerance, I'll have to adjust mine to suit. Crikey how much  be better off racing in CB5s |
Skids, I understand what you're saying. I do. Hell, it could well be happening. Who knows? There may be a vast selection of 583 parts under someones bench being selectively pieced together into finely matched component sets..... (and no i don't have any room under my bench
)
I stand by previous posts though. I've turned work away because of what's been asked of me but I don't see an issue with building a good, reliable engine and if that included being asked to balance it then I would.
Just an aside though, if the RC do clarify the issue, and just suppose it was ruled against, how the hell would you check it?