questions about cams
 

hi i have questions about cams if anyone could help me

what might be wrong.. when the dyno hp comes out lower after installing new cams?
but the dyno graph have the same curves and stuff but just lower

nelson

I think there was another thread about this about the locking pin being bent??? You'll have to do some searching though.

Is it lower throughout the curve? Just on the low cam? Just on the high cam?
Can you post the dyno (before & after)? Which cams did you install? Any other changes to the car? Any changes to the dyno?

When I had a set of Toda cams installed, we saw huge losses on the low cam, but not so much on the high cam. That turned out to be due to the valve clearances being off. Valves were adjusted, and everything was OK.

i think its throughout the curve

You think it's throughout the curve? Were the cams in your car? Were you there when they dyno'd it? Did you see the chart? :stick: :D

Maybe your cams are poorly engineered. You didn't answer the rest of my questions, though. If you provide more information, you'll get better answers.

Without information, your question is almost as vague as "My car isn't running... what's wrong?" The answer to that could be anything from "You didn't put the key in the ignition and start it" to "It's out of gas" or "Somebody stole your motor".

A lot of things could cause you to have a power loss now. Could be anything from incorrect installation to poorly engineered cams. Or it could be something totally unrelated to the cams. Without more information, I doubt many people will bother to take a stab in the dark.

Here's my example of what could happen if your valves are out of adjustment:
http://forums.s2ki.com/forums/showthread.p...threadid=167650
You'll notice that I lost as much as 15 ft-lbs of torque on the low cam, but the high cam wasn't affected as much.

im trying to find the chart..
but for now thanks alot for the information

Hey, whatever happened to this thread? What cams did you install? I just installed a new set of Toda SpecA version2 cams, and may have seen similar results to yours. See my thread here:
http://forums.s2ki.com/forums/showthread.p...threadid=209605

Did you ever get yours sorted out? If so, what was the problem? (Maybe you can help me!)