My VC 460 Omega
I am gathering the last few items for my VC Omega build. If all goes to plan it will have the 92.5 mm lightweight Probe forged piston, ARC billet rod, semi balanced crank, shimmed for clearance cam and crank shafts, studs on cylinder head and side cover, 6500 rpm valve kit and raceseng billet flywheel with adjustable timing bracket.My plan is show pics as the build proceeds. This will probably a long process. My goal is to build a VC 460 that is very safe @ 6500 rpms. Stay tuned.
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Re: My VC 460 Omega
Good Luck and Best Wishes. I want to see how your crankshaft idea works out. I'm save my money for ARC's crankshaft so I can finish my Blower Motor. What cam are you planning on using?
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Re: My VC 460 Omega
Sounds really cool! You just can't leave anything alone can you Ray? :lhmo: :thumbup:
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Re: My VC 460 Omega
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Re: My VC 460 Omega
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Re: My VC 460 Omega
Gotta have a little more lift then the torque cam gives. The torque cam has .265 lift and 246 degrees of duration and 110 degrees of overlap. I think I'm going to try the cam listed below - 310 lift with 247.6 degrees of duration and 108 degrees of overlap. More lift and almost the same duration - +1.6 degrees more. With 1.3 rocker arms that's going to breathe real well.
http://www.nrracing.com/product-p/dynomod1-390.htm |
Re: My VC 460 Omega
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Re: My VC 460 Omega
Hey Ray, the VC440/460 I built reved to 7000. If it had an alum flywheel it would have gotten there much faster. It had the Isky racing cam that VC used to sell. I forget the specs on that one. But it's in my garage waiting for another project. I have to say that it was not a very strong engine in the low rpm range, but that may have been from the carb. I did switch to a Mikuni style 30 mm and it was much better but I never finished getting it dialed in before switching to the Vanguard.
edit: Specs on the cam say: .330" lift 246 duration @.050" 110 LC |
Re: My VC 460 Omega
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To answer your question -- 8 to 1 compression ratio with a potential of 12 to 1 @4500 rpm depending on blower belt ratio and a UT2 ignition system which has a 10 degree BTDC starting fire and advances to 27 degrees at 1800 rpm. http://www.buggiesgonewild.com/clone...ing-clone.html |
Re: My VC 460 Omega
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Thanks for the reply |
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