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cam selection

Looking at cam selection on start up page 1-4  I am running this on a 1.6 roller rocker , this is advertised specs for a 1.5 so total would be 602/618 IIRC   Howards roller cam

Duration 300/306, Lift .562/.580. lobe sep 110  adv dur 300 int   306 exh

Intake Duration at 050 inch Lift:  247  

 

Exhaust Duration at 050 inch Lift: 253

Thanks Jimmy

 

Your cubic inch would help decide, but would start with cam 3.  Then want to see a datalog showing the vacuum, AFR trim and AFR learn.

I have a similiar question I am getting ready to install fitech on my 400 sbc .30 over with a herbert cam 570/570,240/240,110lc which cam setting should i start with 3 or 4? thanks

Quote from kjbell on May 2, 2019, 12:18 pm

I have a similiar question I am getting ready to install fitech on my 400 sbc .30 over with a herbert cam 570/570,240/240,110lc which cam setting should i start with 3 or 4? thanks

Probably 2 on that cubic inch.  Try and look at data.  Won't be 4....

Thanks for the info I will be installing in the next few weeks I’m sure I’ll have some more questions  thanks again

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