LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Help with picking a cam for a 383.

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Old Nov 19, 2006 | 09:40 AM
  #16  
rje's Avatar
rje
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From: Engelhard, N.C.
OK, so how about you guys give me some cam specs to use.

Randy
Old Nov 27, 2006 | 04:09 PM
  #17  
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From: Oklahoma where trees are made of wood.
Ok I know this thread fell down a ways, but I have been on vacation .

I would look just a bit more .050 duration that the 236/242 cam, and go in the 250 range there. I would also open the valves slightly farther to the tunes of .610 to .620 and drop the lobe sep to at least 110 with a 108 ILC.

Now this will take some spring, but we are racing
Old Nov 28, 2006 | 10:48 AM
  #18  
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rje
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From: Engelhard, N.C.
Since I last posted I've made a decision on the cam and here are the specs, 249/250@ .050 .621/.621 with 1.6's 108ls. Hopefully this will do what I want.

Randy
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