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St. Jude Donor '05-'06-'07-'08-'09-'10-'11-'12-'13-'14
EG's Mod Addiction....
OK, so even though I have no 2nd gear because my last mod (shift kit install) went wrong, I still needed a "mod fix"....
My Mod Addiction continues..
Got the Harland Sharp Roller Rockers yesterday and installed them. Seat of the Pants say there is some HP gain, but that could just be my imagination. Harland Sharp tech support estimate 15-20rwhp gain with the mods I have
St. Jude Donor '05-'06-'07-'08-'09-'10-'11-'12-'13-'14
Originally Posted by eamador11
They look pretty in there. Are they noisy?
Ike, not really. My Crane dual springs are so stiff that I did not have the usual "sewing machine" sound that most heads/cam cars have. Now with the roller rockers, I have a little more valvetrain noise, but it sounds "robust", if that makes any sense.
Ike, not really. My Crane dual springs are so stiff that I did not have the usual "sewing machine" sound that most heads/cam cars have. Now with the roller rockers, I have a little more valvetrain noise, but it sounds "robust", if that makes any sense.
Stephen
With my 921 comp springs I have that sewing machine noise. I love IT....
Ike, not really. My Crane dual springs are so stiff that I did not have the usual "sewing machine" sound that most heads/cam cars have. Now with the roller rockers, I have a little more valvetrain noise, but it sounds "robust", if that makes any sense.
Stephen
I can't wait to hear it! There's nothing like a nice engine growl to make you want to open her up even more.
can't wait to see the after dyno results of this mod, -----brain just kicked on as i was typing this-----i can see a 15-20 gain from the rocker install, not from the rockers> from the increased rpm this will enable the motor to spin to(i remember this was your intention w/ the rockers)