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12-19-2006, 01:08 AM | #1 |
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Join Date: Jan 2006
Location: Kaufman, Tx
Posts: 827
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Cam installation questions (When/Why to degree a cam)?????
I'm really just seeking info right now. I'm not in the process of building yet, but I am planning a motor build and want to understand this.
Background: Right now I'm planning a build; 383 w/forged bottom end, Hyd. Flat or Hyd. Roller cam, 10:1-10.5:1 comp., 200cc 2.02 heads. N2O of course. I'm not really wanting to twist the motor very high (6500rpm max) so I can drive it regularly. Planning on MSD 6al Plus ignition control as well. Here's my problem: I want to keep my rpm around 2500 at 70mph in O/D with 3:73 gears. Or as close to it as possible. I want a moderate cam that will flow the N2O (up to 200hp) and pull like a monster to about 6500rpm. As the juice will only be used a fraction of the time, I also want as good of performance as I can get on the motor. Most of the cam info I read (summit & jegs) recommends a 2500-3000 stall coverters for the grinds (280+), I THINK, I need? My logic says this converter will be on the verge or slipping (not locked up) at desired hwy speeds, right? Some also advertise "power bands" starting and ending higher than I want. My Questions?: Can a cam be degree'd to "move" it's effective power band up or down the RPM range? Does this also effect the min. stall speed required? If I'm thinking wrong, can someone please explain this to me? What is the purpose of degree'ing a cam? Benefits? Drawbacks? If I'm right, get ready for more questions. Either way, there will probably be a few more. I'm not looking for a part#. Although suggestions will not be shunned. I am looking for the information I need to make an informed decision. Any literature suggestions? Thanks in advance for helping to wipe out ignorance. Jay
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