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Unread 01-13-2010, 09:07 AM   #16
Mike Romain
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1986 CJ7 
 
Join Date: Nov 2007
Location: Off the Grid in Chester Grant, Nova Scotia, Canada
Posts: 12,034
Quote:
Originally Posted by Sundowners View Post
Also, It says that this cam is not for fuel injection. Why is that? I 'm planning on doing the "junkyard" TBI conversion. Can I still use this cam?
No, the cams have different settings for FI and carb, same for a non computer engine and computer engine and non EGR and EGR engines. Your distributor advance curve is also tuned to your cam. There is a way to easily change the advance curve on it to match up with a hot cam. JeepHammer has posted the method many times.

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Unread 01-13-2010, 09:15 AM   #17
Sundowners
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1985 CJ7 
 
Join Date: Jul 2008
Location: Pittsburgh
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Originally Posted by Mike Romain View Post
JeepHammer has posted the method many times.

Thanks, I'll do a search to see if I can find it.

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Unread 01-13-2010, 08:36 PM   #18
fredrok
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1985 CJ7 
 
Join Date: Jan 2005
Location: Golden, CO
Posts: 781
The FI cams have essentially less overlap and slightly different lobe centers. (read: valve timing)

If the engine wasn't already torn down, you could get away with a carb cam. They just aren't as efficient as the set up could be.

I'm using Comp Cams 68-232-4 for fuel injection. Outside of a Hesco or lesser known grinder, it's pretty much the only F.I. option from a mass grinder.

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