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Re: Four barrel carb for 318
[Re: 340clone]
#1578716
02/13/14 11:33 PM
02/13/14 11:33 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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That ain't too much carb for it. I'm sure it is significantly less than 600 cfm (measure its' bores). What symptoms are you having? I have an Eddy 1406 600 cfm on a DD 318 & it runs flawless. All OE AVS's are emission carbs and are lean plus the air door adjustment. I'd suggest converting to Eddy performer 2 step rods/primary jets from a strip kit with sizes close to whatever is in the AVS right now maybe going several thou smaller on the "cruise" step for a start. You WILL notice the difference but holler back with what's going on
live every 24 hour block of time like it's your last day on earth
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Re: Four barrel carb for 318
[Re: 340clone]
#1578719
02/14/14 03:01 AM
02/14/14 03:01 AM
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Joined: Nov 2004
Posts: 507
340clone
OP
mopar
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OP
mopar
Joined: Nov 2004
Posts: 507
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The issue I'm having is that it seems to be running too rich. Even when I think it's properly tuned, It's still has a bit of a gassy smell to the exhaust, enough to make your clothes reek! LOL. Engine only has about 500 miles on it. A friend of mine said it was that the carb was too much for the engine. I didn't see how either, but I've adjusted the heck out of it with no real luck...
Last edited by 340clone; 02/14/14 03:03 AM.
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Re: Four barrel carb for 318
[Re: 340clone]
#1578720
02/14/14 03:09 AM
02/14/14 03:09 AM
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Joined: Jan 2005
Posts: 3,344 Central TX
roe
master
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master
Joined: Jan 2005
Posts: 3,344
Central TX
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Be careful, running excessively lean will give you the same smell of fumes. That's what happened to me, and leaning it out to fix th "Rich" running, fume smelling condition only made it worst.
1971 Plymouth Satellite 408/904 8 3/4 3.23 SG
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Re: Four barrel carb for 318
[Re: Baxter61]
#1578722
02/14/14 08:57 AM
02/14/14 08:57 AM
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Joined: Jan 2003
Posts: 20,205 Park Forest, IL
slantzilla
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 20,205
Park Forest, IL
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I would be more concerned about the port mismatch/vacuum leaks.
"Everybody funny, now you funny too."
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Re: Four barrel carb for 318 *DELETED*
[Re: slantzilla]
#1578723
02/14/14 09:44 AM
02/14/14 09:44 AM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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Port mismatch?
Right, keep believing that one
Last edited by Supercuda; 02/15/14 11:58 AM.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Four barrel carb for 318
[Re: Supercuda]
#1578724
02/14/14 12:55 PM
02/14/14 12:55 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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I would check the float levels/float saturation/float linkage/needle condition as it might be a carb rich issue. What adjustments have you done? do the boosters drip at idle? As said a lean misfire can kick up the same symptoms as the unburned mixture just goes out the tailpipe where you smell it just like you would smell it if it was excessively rich from a carb issue. regarding a vac leak, how does it run/is there any hesitation anywhere?
live every 24 hour block of time like it's your last day on earth
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