Camshaft and Rocker arm upgrades
#1
Has anyone installed the crane cams 1.85 ratio rocker arms. What gains can be seen with them? Also does it give the truck a more lopey sound like a cam does, since it raises the intake and a few other things by 10%. Just curious. Also I'm looking into a cam, springs and pushrods If anyone has a set they would like to get rid of, let me know.
#5
here's my hp and tq graphs from installing the 1.89 accelerated lift rockers from VHP/CRANE on the wife's 99 formula
hp graph

tq graph no that's not a 60 rwtq gain either. it's a spike at the beginning of the run. the true gain is what the cursor shows.
hp graph

tq graph no that's not a 60 rwtq gain either. it's a spike at the beginning of the run. the true gain is what the cursor shows.
#7
I will disagree about the lope.
when I put the comp 1.85's on mine, it gave the stock cam a bit of a lope to it.
not much but very noticable.
but i will agree. had to take them off because they wouldn't work with the cam I went with
when I put the comp 1.85's on mine, it gave the stock cam a bit of a lope to it.
not much but very noticable.
but i will agree. had to take them off because they wouldn't work with the cam I went with
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#10
I installed mine at the same time I had gibson headers put on. I could feel a difference thru the entire rpm range. Most estimates are 10-15 rwhp which seems to be about what the graph above shows.


