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Re: pro-part headers question a-body 500"
[Re: poisondart2]
#1393584
02/26/13 12:47 AM
02/26/13 12:47 AM
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Joined: Feb 2007
Posts: 6,295
U.S.
moparniac
master
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master
Joined: Feb 2007
Posts: 6,295
U.S.
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with a tall deck I had to have a couple of the tubes modified to clear t bars and the collectors were pie cut some also to get the exhaust close to the body. after mods and powdercoating I have about $1350 into the headers.
Mopar Performance
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Re: pro-part headers question a-body 500"
[Re: moparman1954]
#1393588
02/26/13 05:18 PM
02/26/13 05:18 PM
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Joined: Jul 2010
Posts: 1,845
Tampa
DusterDave
top fuel
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top fuel
Joined: Jul 2010
Posts: 1,845
Tampa
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I bought my Pro Parts headers from Bob Mazzolini, but that was like 12 years ago. Call him and see if he stil sells them.
Gone to the dark side with an LS3 powered '57 Chevy 210
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Re: pro-part headers question a-body 500"
[Re: imfixinmopars426]
#1393590
02/26/13 11:59 PM
02/26/13 11:59 PM
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Joined: Jan 2003
Posts: 5,445
So Cal
Sinitro
master
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master
Joined: Jan 2003
Posts: 5,445
So Cal
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Be advised that the Pro Parts headers for an B/RB in an A body were designed incorrectly... Each tube was a different length, some were as short as 29" and the longest 54", on the dyno they were 40 HP short... For fit they are OK, but their performance sucks.. These were originally sold by Bill Bagshaw's Pro Parts distributor. Before putting out the $ you might want to check things out more closely.. Maybe they have been redesigned.. Note that Bob Mazzolini is a great guy, we are actually by his place in Riverside CA frequently. Just my $0.02... 
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Re: pro-part headers question a-body 500"
[Re: Dodgeguy101]
#1393592
02/27/13 10:26 AM
02/27/13 10:26 AM
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Joined: Jan 2003
Posts: 276
Mid west
Gearhead383
enthusiast
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enthusiast
Joined: Jan 2003
Posts: 276
Mid west
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Quote:
Would these be the same headers that CPPA sold back in the late 80's?? At least that is who I bought a set from, as I recall. The ones on the car right now, dont like the angled plugs on #6.
I don't believe so. If I recall, the CPPA were completely welded, one piece units that were a HUGE pain to install and tight all around. The Pro Parts headders have a bunch of slip tubes (like a puzzle) and have much better clearance around plugs and the starter. These also have one tube that exits out the fenderwell and then reconnects to the collector on the inside of the frame rail.
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Re: pro-part headers question a-body 500"
[Re: Gearhead383]
#1393593
02/27/13 10:51 AM
02/27/13 10:51 AM
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Joined: Mar 2010
Posts: 632
MD-USA
Dodgeguy101
mopar
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mopar
Joined: Mar 2010
Posts: 632
MD-USA
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Quote:
Quote:
Would these be the same headers that CPPA sold back in the late 80's?? At least that is who I bought a set from, as I recall. The ones on the car right now, dont like the angled plugs on #6.
I don't believe so. If I recall, the CPPA were completely welded, one piece units that were a HUGE pain to install and tight all around. The Pro Parts headders have a bunch of slip tubes (like a puzzle) and have much better clearance around plugs and the starter. These also have one tube that exits out the fenderwell and then reconnects to the collector on the inside of the frame rail.
These are in pieces, slip on collectors where one tube,#8, goes out thru the passenger side fenderwell and 2 tubes, # 3 & 5, go out thru the drivers side fenderwell. They are easy to get on and off, but hug the trans really close. Not sure why they angled them towards the center of the car like they did. But they hug the engine and dont hang down.
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Re: pro-part headers question a-body 500"
[Re: sixpackgut]
#1393595
02/27/13 02:03 PM
02/27/13 02:03 PM
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Joined: Jan 2003
Posts: 684
St. Charles, MO.
Slingshot383
mopar
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mopar
Joined: Jan 2003
Posts: 684
St. Charles, MO.
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The Headman and Hooker full fenderwell headers are best at equal length and gentle bends, but bye bye inner fenderwells, and they tend to crack with those tubes hanging out so far from the engine block.
1994 Undercover Chassis 125" altered
stack injected big block, soon blown and injected
Member of The Torque and Recoil Club
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Re: pro-part headers question a-body 500"
[Re: Dodgeguy101]
#1393597
02/27/13 07:59 PM
02/27/13 07:59 PM
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Joined: Jan 2003
Posts: 5,445
So Cal
Sinitro
master
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master
Joined: Jan 2003
Posts: 5,445
So Cal
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Quote:
Would these be the same headers that CPPA sold back in the late 80's?? At least that is who I bought a set from, as I recall. The ones on the car right now, dont like the angled plugs on #6.
No..
But as I posted header lengths are all over the place..
On the dyno, we were running one of our race 440s and the HP was down big-time.. Swapped out the Pro Parts headers and up came the HP. They look nice and have a decent fit, unless they have been redesigned stay clear..
Just my $0.02...
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Re: pro-part headers question a-body 500"
[Re: moparman1954]
#1393600
03/01/13 12:45 AM
03/01/13 12:45 AM
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Joined: Aug 2003
Posts: 43,274
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,274
Bend,OR USA
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Quote:
Sixpackgut, what size tire can you run with the Headmans? Any more tire clearance over the Hookers?
I had both sizes of the Hooker Fenderwells, 1 7/8 and the 2 inch,on my 1971 duster, went to the Hedman A body Indy head fenderwell headers and got a lot more tire clearances with them  I was running two different sizes front tires, 165/SR15 and 26x15 M/T ET Fronts, both would rub on the Hookers pretty bad, after putting the Hedamns on and rasing the front end up about one inch I could run the Moroso 7.10x15 on the front (after having to trim the stock Duster front fender wheel openings to clear them ) 
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: pro-part headers question a-body 500"
[Re: roadhazard]
#1393601
03/01/13 09:55 AM
03/01/13 09:55 AM
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Joined: Jan 2003
Posts: 16,929
NC
440Jim
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 16,929
NC
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Quote:
I'm with sixpackgut, it's Hedmans for me
IMO the best off the shelf header for power AND durability in a big block A Body 
Went through 2 sets of Hookers and all cracked at the flange
The best would be a custom set (length and dia), but for an off the shelf 500 CID A-body, I like the Hedman fenderwell headers too.
And the Hooker 2" fenderwell headers are worse than the ProParts for that application.
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anyone using this combo? any help would be great!! i want to order asap thanks,mike...
