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Discussion in 'Motor' started by francoblay1, Feb 27, 2015.
I have a 600 cam. You should try it, awesome!
I put the spacers in when I installed a 600 cam. I pulled the jugs to cut the bases to get the compression to 12.2 so the heads were off. That effectily made my pushrods .060 longer and I did not use lash caps. I know you are saying they are adjustable push rods so what is the worry. When I did my first prototype I made it .200 thick and with travel limiters in lifters the there was not a lot of thread engagement on the adjustable push rods. The .100 worked better for the geometry anyway.
You ran 12.2:1 compression with the S&S .600 cam ? What gas are you using ?
If you raised the rocker box .100", what thickness lash cap were you thinking of using ?
My bad on the compression ratio. It is 10.2 to one. I did this 01/27/10 and I got my motors mixed up. The 12.2 was the car in my avitar and I ran it on racing fuel then converted it to run on E85. I have never used a lash cap but when I was running out of push rod threads I was thinking of something like a .080 cap. When I went to the .100 spacer instead of the .200 it was ok. Did the E85 thing ever happen in the street bike world?
Good, glad you figured it out.
If you had used a .080" lash cap, that would have been the same (geometry wise) as reducing the thickness of your spacer by .080".
I don't know of any bike builders messing with E85 .