390 Cam Recommendation?
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Logistics Pro
Joined: Apr 2005
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390 Cam Recommendation?
Wondering what would be a good cam for a stock 1973 2bl 390. Is there something that will help power/fuel economy? That won’t require replacing the rockers? I’m just guessing that what’s in there is not the best due to emission requirements, am I wrong? Should I just leave it alone?
TIA.
TIA.
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Joined: Jan 2003
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From: Iowa
I see. In that case, Crane 343901 cam. New lifters. Summit part number MRG-1132 head gaskets to put you back to a stock compression ratio, since someone probably put the thick Fel-Pro's in it at some point.
Be sure to check your lifter preload on each lifter. If it's not right, you're going to break things.
You'd be better off to put a 4 barrel intake on it, a holley 600cfm vacuum secondary carburetor, and headers on it first. Then mess with the cam.
Be sure to check your lifter preload on each lifter. If it's not right, you're going to break things.
You'd be better off to put a 4 barrel intake on it, a holley 600cfm vacuum secondary carburetor, and headers on it first. Then mess with the cam.
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Logistics Pro
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Thanks for the info Rusty.
I plan to go the 4 barrel route in the near future, but right now I just want to get this engine in the truck. It's fully assembled and ready to drop in, but I just wanted to see if sticking a cam in it first would wake it up a little.
I may just drop it in the way it is and rebuild the 360 into a 390 for later. We'll see what the back and the wallet allow.
I plan to go the 4 barrel route in the near future, but right now I just want to get this engine in the truck. It's fully assembled and ready to drop in, but I just wanted to see if sticking a cam in it first would wake it up a little.
I may just drop it in the way it is and rebuild the 360 into a 390 for later. We'll see what the back and the wallet allow.
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Post Fiend
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. I'll have to wait to install them until after my next dyno run. We'll get some real numbers then.
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Joined: Oct 2004
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From: Bozeman, MT
woah there.... I just got it back together from a failed oilpump incident on the highway. Drove 32 miles without oil, ate itself alive, but it still ran!!!!. Im still trying to save up for some real heads, the C8AE's just don't flow well with my Comp 262ex. Then on comes a performer RPM to breath.
