Cliford/Offy/Hedman?
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Laughing Gas
Joined: Oct 2003
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Cliford/Offy/Hedman?
I know this has been discussed before and I've read all of the seperate posts I could find but I still have a few quesions. I'm building a 1980 Bronco. It originally had a 400, NP435 and the 9".
The 4spd and the 9 are staying, the 400 is already gone. I have an early 80s 300 (Duraspark) that's going to get rebuilt with a healthy cam (260ish) and a port/polish on the head. My question is about the induction and exhaust. This will be a daily driver with some offroading, nothing radical. I want to go with a 500 Edelbrock but am having a hard time deciding between the Clifford and the Offy intake. I like that the Offy is dualplane but with the cam and head work I'm doing I shouldn't lose low end with the Clifford. Also, which header? Is anyone running a Clifford intake and header? Or a Clifford with the Hedmans? Any info and/or ideas appreciated.
ps will be single 2.5 exhaust
The 4spd and the 9 are staying, the 400 is already gone. I have an early 80s 300 (Duraspark) that's going to get rebuilt with a healthy cam (260ish) and a port/polish on the head. My question is about the induction and exhaust. This will be a daily driver with some offroading, nothing radical. I want to go with a 500 Edelbrock but am having a hard time deciding between the Clifford and the Offy intake. I like that the Offy is dualplane but with the cam and head work I'm doing I shouldn't lose low end with the Clifford. Also, which header? Is anyone running a Clifford intake and header? Or a Clifford with the Hedmans? Any info and/or ideas appreciated.
ps will be single 2.5 exhaust
Logistics Pro
Joined: Jan 2002
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From: GANS
I had a 500 edelbrock with Cliffy intake and headers, Had tons of low end.. it need a cam to put the power a little higher though.
I had cliffords single exhaust header, and it didn't fit worth a crap.
I had cliffords single exhaust header, and it didn't fit worth a crap.
Logistics Pro
Joined: Jan 2002
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From: GANS
Thats ok. The header comes in three pieces:
The front 3 cylinders come down to a collector (these are both relatively short)
the rear 3 cylinders come down to a collector
and a y pipe brings them down to the final collector.
The front 3 cylinders come down to a collector (these are both relatively short)
the rear 3 cylinders come down to a collector
and a y pipe brings them down to the final collector.
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Laughing Gas
Joined: Oct 2003
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Thanks for clearing that up. Did the upper collectors fit to the head well? If you bought just the upper collectors and not the y-pipe could you custom build one that would work better?
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Logistics Pro
Joined: Jan 2002
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From: GANS
You could; it would be a bit of a pain, because the collectors come to close to the frame. I'll take a pic of the setup since I am going to my folk's house where the truck (well, actually the frame) is at, and you can get the idea.
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Laughing Gas
Joined: Oct 2003
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Likes: 6
That would be awesome, thank you. I'm trying to plan this build as completely as I can before I get started and the intake/header is really the only thing I haven't decided. I appreciate your input with this, I'll be looking foreward to those pics!
Logistics Pro
Joined: Jan 2002
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From: GANS
This are the pics; if you want, I can work you out a deal on the headers if you deside to go that way. I'd sell you the intake as well, but I discovered yesterday it has a crack going through the top side.. 
. thats what I get for leaving it outside for a year.
. thats what I get for leaving it outside for a year.
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Laughing Gas
Joined: Oct 2003
Posts: 896
Likes: 6
Thanks for the pics, that helps clear it up for me. What would you want for the headers? Which model (part# etc) are they. How long have you had them? Condition? And would they fit an 80 Bronco?