Raptor 11:1 stage 2 hotcam problems
#1
Im wondering if i bump up the compression to 11:1 and get the stage 2 cam will i have problems with it tearing up my dad has been teling me if i do it with the piston and cam then it going to start tearing up and things are going to start to f up
so i was wanting to know if anyone has had any trouble with a similar setup thanks
so i was wanting to know if anyone has had any trouble with a similar setup thanks
#6
I would stick with the stage I cam when using an 11:1 piston. The stage II requires hd valve springs, more freq valve lash adjustments, & a close eye on everything else already mentioned. Try the 11:1 with stage I cam, maybe try some head porting in the future as well. Then in a year or two if you are bored with the power, try the stage II cam & hd spings. Don't forget, the power is mostly top end with the stage II cam. The stage I gives a better mid power hit, more useable for most trail riders. If you are determined to use the stage II cam, I would also use a 12:1 piston to assure a good bottom end.
JMO. Check out my dyno graphs for what the stage I can do for you.
JMO. Check out my dyno graphs for what the stage I can do for you.
#7
Just for an FYI I also have a dyno chart posted. Mine is with a 686 stage 2 cam. It's gonna be different with the larger bore and FCRs but you can get some idea of where the stage 2 makes power. Mine's also an 01 still running the stock transmission and the only tearing up I do is eating clutches. You can expect to go through a couple every now and then with a higher powered engine.
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