GMH94Z28

I finished up my cc503 cam install today and it started up fine and ran fine but there is high treble sound coming from the engine area. I can hear the sewing machine sound from the roller rockers. I am thinking that maybe they could be hitting the valve covers. I did cut some of the baffling out of them maybe not enough.

truedualws6

The sewing machine is very typical. Anything more than that and it's worth your while to at least pull the drivers rocker cover and take a look.

Sweetz28_72

Did you get a tune for it also, or are you running stock programming.....I ask because I am so close to ordering that cam right now its crazy

SS MPSTR

pro-mags are not quiet.

RallyBoy1

Not to hijack, but what other rockers are recommended that are as good as the pro-mags but not as noisey?

GMH94Z28

I readjusted the rr and all is quiet now. I did get a tune from ion (madtuner). It is nice and quiet now. Here is a link to a video of it.
http://gh94z28.diinoweb.com/files/ and click on the only avi file.

James Montigny

Great to hear you got em to quiet down, just don't overtighten.

ACE1252

Sounds very nice, what is your idle speed?

GMH94Z28

Right now it is set to 750.

GMH94Z28

I took some more video tonight one is at 750rpm and the other is at 800rpm. Not much of a difference. I love this cam sounds. http://gh94z28.diinoweb.com/files/ they are a little smaller so they should open faster.