choke heater assembly
FTE Legend
Joined: Jul 2010
Posts: 32,875
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From: Northeast, OK
My engine code is C1 (Cleveland PLT 1).
So, do you understand my issue now? My Edelbrock intake manifold I purchased does not have a place for me to reuse the heater choke assembly in the picture. I really have no info on it other than my repair manual says it is a choke heater assembly.
Any suggestions on eliminating it? I've talked to a few manufacturers and they all say they do not have aftermarket intakes with this option.
So, do you understand my issue now? My Edelbrock intake manifold I purchased does not have a place for me to reuse the heater choke assembly in the picture. I really have no info on it other than my repair manual says it is a choke heater assembly.
Any suggestions on eliminating it? I've talked to a few manufacturers and they all say they do not have aftermarket intakes with this option.
If I could see the other side of the manifold then we'd know if it was even set up for a choke stove. I'm guessing not as I haven't seen one on a 302 or 351W in this series.
My advice is to block that off in some fashion and use a carb with an electric choke. As for blocking it off, roadrash63 said that either a "DORMAN 555-097 and/or 555-306" soft or freeze plug would fit and that he would tell us which one. I'd suggest sending him a pm to see what he's found. You could put the plug in, put the bolts back in, and be done with it.
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Freshman User
Joined: Mar 2011
Posts: 32
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From: Cincinnati
Its an 85 with an automatic C5 trans. It is not a California truck.
I wouldn't need to block anything off since the picture I posted was the old intake. My new intake is an Edelbrock 3723 and it does not have a place for me to reuse this flapper valve or whatever it is. Would it help if I uploaded a picture of the carb also?
I wouldn't need to block anything off since the picture I posted was the old intake. My new intake is an Edelbrock 3723 and it does not have a place for me to reuse this flapper valve or whatever it is. Would it help if I uploaded a picture of the carb also?
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Joined: Nov 2007
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From: Denver Metro Area, CO
Would it help if I uploaded a picture of the carb also?
If you're gonna use an aftermarket intake manifold that doesn't have any accommodations for that device, that tells me the manifold doesn't have anyway of of allowing exhaust gases to pass through it.
You'd need to compare the ports on the sides, I guess....
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Freshman User
Joined: Mar 2011
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From: Cincinnati
Probably not.
If you're gonna use an aftermarket intake manifold that doesn't have any accommodations for that device, that tells me the manifold doesn't have anyway of of allowing exhaust gases to pass through it.
You'd need to compare the ports on the sides, I guess....
If you're gonna use an aftermarket intake manifold that doesn't have any accommodations for that device, that tells me the manifold doesn't have anyway of of allowing exhaust gases to pass through it.
You'd need to compare the ports on the sides, I guess....
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FTE Legend
Joined: Jul 2010
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From: Northeast, OK
My bad. Forgot the pic was of the old manifold, so don't need another picture. Duh!
Most intakes for the small blocks have the exhaust passages, but I've never seen an after-market with provisions for the flapper valve. In fact, the Ford manifold on my 351w doesn't have provisions for it, and my carb uses an electric choke. Works fine. I'm sure yours will as well if you use a carb with an electric choke.
Most intakes for the small blocks have the exhaust passages, but I've never seen an after-market with provisions for the flapper valve. In fact, the Ford manifold on my 351w doesn't have provisions for it, and my carb uses an electric choke. Works fine. I'm sure yours will as well if you use a carb with an electric choke.
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Freshman User
Joined: Mar 2011
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From: Cincinnati
My bad. Forgot the pic was of the old manifold, so don't need another picture. Duh!
Most intakes for the small blocks have the exhaust passages, but I've never seen an after-market with provisions for the flapper valve. In fact, the Ford manifold on my 351w doesn't have provisions for it, and my carb uses an electric choke. Works fine. I'm sure yours will as well if you use a carb with an electric choke.
Most intakes for the small blocks have the exhaust passages, but I've never seen an after-market with provisions for the flapper valve. In fact, the Ford manifold on my 351w doesn't have provisions for it, and my carb uses an electric choke. Works fine. I'm sure yours will as well if you use a carb with an electric choke.
FTE Legend
Joined: Jul 2010
Posts: 32,875
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From: Northeast, OK
I found some things online that suggest what you said earlier. This is a manifold exhaust crossover valve. I can't find anything on how it works or what it does. Obviously the new intake would be open all the time where as the old intake opens and closes. What would be the purpose of wanting to close it off?
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Freshman User
Joined: Mar 2011
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From: Cincinnati
Good question, and one for which I've been puzzling myself since I also have one of them. My guess is that it has something to do with getting exhaust gas to the EGR valve, which on mine gets its gas from that same exhaust passage. But that is a wild guess and it isn't supported by any facts.
At least now I know what it is so I can call Edelbrock again and see what they have to say about it.
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Freshman User
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From: Cincinnati
I found a few sites where people were saying the valve opens when it is cold to allow the carb to warm up quicker. They also claim if it is fully open when the engine is hot the carb can get extremely hot and the fuel can boil?? Several people online claiming they blocked them off.
At least now I know what it is so I can call Edelbrock again and see what they have to say about it.
At least now I know what it is so I can call Edelbrock again and see what they have to say about it.