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Re: Top speed?
There are limiting factors. My tires are rated for 100 MPH. with my 4:11 rear end,that's 4320 RPM,quite doable. I do 85 MPH often,that's 3672 RPM and a bit more sometimes and there is a bunch left. Could go faster I guess but I wonder what other systems I might over stress. I'd like my truck to last. I also have flat hydrolic lifters and they shouldn't go much over 5000 RPM with that set up or you could get valve bounce which is the valve hitting the piston. If you want to go really fast use a roller cam and the double springs, (this is getting expensive).
Be happy w/100 MPH
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