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Discussion Starter #1
and tfs stage 1 plus 1.7's=how much lift?

I dont know the dynamics behind this and need to purchase some rockers.

I have a tfs stage 1 cam and my springs are good to .550 lift.

Im trying to figure out which rockers bring me closer to without going over .550 lift.

Thanks!
 

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I installed mine w/1.7rr's but switched back to 1.6rr's. I believe it was .534/.542.
 

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I forget what the specs are on the TFS1 (I'm running the Crower 15512, which is almost identical), but all you have to do is:

advertised lift / 1.6 * 1.7 = new gross lift OR

lobe lift * 1.7 = new gross lift

I know with the Crower 1.7's would have given me .533" intake & .554" exhaust. Although I may have been able to get away with it, I decided to use the 1.6's instead. I knew any power I may have lost would be made up for, ten-fold, by the SQ Trim :)
 

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Discussion Starter #5
ok, after redoing the math properly.. im going with the 1.7's

that puts me at .530 on the intake and .542 lift on the exhaust which I think will work well with .550 lift springs.
 
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