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Indy 440 EZ Heads with 67 440HP Exhaust Manifolds
#2534702
08/11/18 06:35 PM
08/11/18 06:35 PM
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Joined: Jan 2003
Posts: 4,288
Danville, NH
Mopar_Mike
OP
master
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OP
master
Joined: Jan 2003
Posts: 4,288
Danville, NH
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Wondering if anyone has had any problems using stock port Indy EZ heads with 67 440HP exhaust manifolds, or other year HP manifolds for that matter. I did a mock up and looks like number 6 and 8 might be tight to fit a plug wire on because of the angle plugs. My concern is getting wires to work with this set up. Thanks.
RS23L7 4-Speed
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Re: Indy 440 EZ Heads with 67 440HP Exhaust Manifolds
[Re: Mopar_Mike]
#2535102
08/12/18 03:21 PM
08/12/18 03:21 PM
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Joined: Mar 2007
Posts: 3,285
West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,285
West Coast, USA
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Don't those manifolds defeat the purpose of using an aftermarket aluminum head.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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Re: Indy 440 EZ Heads with 67 440HP Exhaust Manifolds
[Re: jbc426]
#2535261
08/12/18 08:20 PM
08/12/18 08:20 PM
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Joined: Jan 2003
Posts: 14,499
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,499
So. Burlington, Vt.
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Don't those manifolds defeat the purpose of using an aftermarket aluminum head. I don’t think the problem is necessarily “aftermarket aluminum heads” and ex manifolds, but I don’t think larger runner volumes along with ex manifolds are going to be the hot ticket. The 84cc E street heads have straight plugs(no manifold issues), and the smaller runners are probably going to be better 90% of the time.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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