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Unread 03-25-2014, 01:21 PM   #1
ckyaj
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1980 CJ7 
 
Join Date: Aug 2013
Location: Hebron, IN
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Cam questions

Hey guys new to this. Im building a GM 350 fuel injected to go into my cj7. First time doing this so im kind of making it up as i go along. Im trying to figure out what kind of cam to put in there. Im mainly going to use it for trails and mild crawling. Im not building a crazy high horse motor. I just want something that is going to sound good and have a mild lope. Any suggestions.

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Unread 03-25-2014, 01:48 PM   #2
crouse11c
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1985 CJ7 
 
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First what gears do you have and heads. This will make the differance. There is a program on compcams website that will help you decide. Just make sure to answer questions correctly. Thy have a program called cam quest also that does it with out waiting for response. But I would answer the questions an they will fit what you want.
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Unread 03-25-2014, 02:03 PM   #3
dg6772
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1986 CJ7 
 
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I contacted comp cams as I am doing the same. My 7 has 4.10 gears and a 700R4. They suggested. # 12-249-4 for me. Good from idle to 5500 if I remember correctly.

Dave in Muskegon using JeepForum
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Unread 03-25-2014, 04:42 PM   #4
LumpyGrits
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Tell'em, that you want to 'pull' from the stop light on........
You will want to maintain near stock manifold vacuum at idle, for brakes etc.
Good luck,
LG
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Unread 03-25-2014, 10:52 PM   #5
RenoF250
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1985 CJ7 
 
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Crower will recommend a cam as well. I filled it in a Dave Crower answered about 3 hours later on a Sunday. I ended up getting the BajaBeast for a mild cam with good low-end.
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Unread 03-26-2014, 05:02 AM   #6
swatson454
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1983 CJ7 
 
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Will this be a Gen 1 SBC with the addition of fuel injection or are we talking Vortec here?

Either way, for crawling around on the trails and general use, I'd go with either the Comp XE 256 or Lunati Voodoo 256. They'll both work just fine with exhaust manifolds and any kind of fuel injection you want to run.


Shawn
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Unread 03-26-2014, 08:34 AM   #7
duffer
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Compression ratio? Stock roller cam block? Valve size? Head type? The Comp XE 256 recommended above should give some decent bottom end, but if the CR is above 9.5 and it's a roller cam block, you could get something with more lift and still the short duration with good low end torque. Roller cam retrofits to the early Gen I blocks also work very well but those aren't cheap.
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