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Which cam for a 403 LS2

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Old Dec 2, 2006 | 09:02 AM
  #21  
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Originally Posted by Quik
try this one out 244/248 612/615 112+2 it was actually spec'd for a 408. its never used puleld it out cause i went with the L92s
A buddy of mine has this cam (or atleast the same duration and similar lift) in his 402. It dosnt idle much choppier than my torquer 2 cam in that bhig motor. Car seems to drive real well with no surging or stalling. Makes plenty of power too.

Originally Posted by MSGHUFF
Huh???? please explain your theory behind this?
Bigger cube motors will swallow much larger cams because you have to flow more air into the bigger cylinders. A cam that might be pretty wild in a 346, might be fairly tame in a 402.
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Old Dec 2, 2006 | 09:39 AM
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Originally Posted by Quik
try this one out 244/248 612/615 112+2 it was actually spec'd for a 408. its never used puleld it out cause i went with the L92s
That's similar to mine which is 244/250 .612 lift but on a 113 lsa. Idles and drives really good; especially for an A4.
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Old Dec 2, 2006 | 10:16 AM
  #23  
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Use the 238/242 xer lobes with a 112+4.
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Old Dec 2, 2006 | 04:15 PM
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Originally Posted by MSGHUFF
Huh???? please explain your theory behind this?
with a little bigger cam u could have had well over 500rwhp and more tq across the board its all about matching cylinder head flow and engine size to cam size
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Old Dec 2, 2006 | 11:04 PM
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Originally Posted by GTslOw
with a little bigger cam u could have had well over 500rwhp and more tq across the board its all about matching cylinder head flow and engine size to cam size

Yes, I agree about matching your cyl heads/cubes to cam selection. I could have made a more peak power, but you dont need a huge cam to make power even with a stroker..... Bigger isnt always better. Your comment that a 232/238 is to small for a stroker is wrong. That cam and some properly matched components can outpower and have a better Avg TQ and HP then some of the bigger cams mentioned in this thread.
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Old Dec 3, 2006 | 12:25 AM
  #26  
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I was thinking more along the lines of "Under the Curve" power levels and being easier to tune for daily use.

A 232/238 cam that has .609" lift when paired with a set of heads that flow in the 300 to 330 cfm range at .600" lift should work well for a 402 to 408.

And yes it is a small cam for a max power 408 but for a daily driver it would be easier on the driveline and easier to tune -vs- the large sticks that most people list up.

Now if he was going to use the L92 type heads I'ld suggest something along the lines of a 232/244 113 lsa. Which would give him good daily driving and buttloads of torque.

Also the LS1 Voodoo line is similar to the COMP XER lobes on the Quick ramp up but has a smoother closing action (per Lunati anyway). Basicly they are suppose to open really quick but close at a slower smoother rate for less valvetrain noise.
Just don't pair a Voodoo cam with the Comp Pro Magnum Roller Rockers as it's a noisy combination!
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Old Dec 3, 2006 | 09:28 AM
  #27  
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how about a comp cam xtreme energy?? 234HRor 272hr i think..
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Old Feb 21, 2007 | 12:50 PM
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Jeff.... are you going to change cams? What are the specs including valve timing events on the current cam, such as ICL numbers etc....... I want to compare it with the cam I selected.
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Old Feb 21, 2007 | 01:09 PM
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Old Feb 21, 2007 | 02:12 PM
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108 ICL?? I dont really see what the issues are with that cam selection....


anyone else care to chime in??
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Old Feb 21, 2007 | 05:32 PM
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was the cam installed straight up? no advance? nevermind.... +4 ground advance huh.... hmmmmm

Patrick..... read his cam specs and give your rough opinion!!!

Last edited by WizeAss; Feb 21, 2007 at 08:37 PM.
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