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Thinking of doing something different...
#2865470
12/27/20 09:47 PM
12/27/20 09:47 PM
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Joined: Jan 2003
Posts: 4,276 Danville, NH
Mopar_Mike
OP
master
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OP
master
Joined: Jan 2003
Posts: 4,276
Danville, NH
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I'm in the process of building a 440 that is going to be mated to a 4-speed. Stock lower end with 2355 pistons. under .500 inch cam stock rockers and going with stealth heads with the 2.14 1.81 valve. What I was thinking of doing different was using a nascar MW single carb intake I have. I believe I could open up the intake port on the heads but what about the exhaust port? I wanted to use stock HP manifolds so I am guessing I would have to open up the HP exhaust manifold ports to match? is that possible? I would image that with the smaller cam it might be a waste, so maybe leave the exhaust alone? Just bouncing this around in my head and looking for opinions. I have tough skin so let them fly.. lol. Thanks.
RS23L7 4-Speed
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Re: Thinking of doing something different...
[Re: Mopar_Mike]
#2865547
12/28/20 01:22 AM
12/28/20 01:22 AM
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Joined: Aug 2003
Posts: 43,007 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,007
Bend,OR USA
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Sell the Stealth heads now and buy a set of the Trick Flow 270 heads instead of trying to make that intake fit on a head it wasn't designed for What year car and exhaust manifolds?
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Thinking of doing something different...
[Re: Cab_Burge]
#2865585
12/28/20 08:36 AM
12/28/20 08:36 AM
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Joined: Jan 2003
Posts: 4,276 Danville, NH
Mopar_Mike
OP
master
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OP
master
Joined: Jan 2003
Posts: 4,276
Danville, NH
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Fortunately I have not done anything yet. I just like the look of that nascar MW intake, smooth no marking but a part number etc. Car is a 67 GTX with its HP manifolds. I am not looking to make it a world beater, but just like that intake.. lol.. Seems the logical thing to do is leave heads alone and use a good dual plane intake.
RS23L7 4-Speed
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Re: Thinking of doing something different...
[Re: TonyS451]
#2865600
12/28/20 09:41 AM
12/28/20 09:41 AM
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Joined: Mar 2006
Posts: 9,791 MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,791
MI, usa
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That manifold was designed for high rpm. Prehistoric design. Not to mention I'll bet they're aren't cheap. Combined with stock manifolds and a small cam. You'll have a stone.
Doug
Last edited by dvw; 12/28/20 09:42 AM.
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Re: Thinking of doing something different...
[Re: dvw]
#2865606
12/28/20 10:19 AM
12/28/20 10:19 AM
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Joined: Dec 2004
Posts: 10,549 Rittman Ohio
fourgearsavoy
I Live Here
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I Live Here
Joined: Dec 2004
Posts: 10,549
Rittman Ohio
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I have to agree with Doug that intake was designed for running at 6000 RPM and just cruising is going to be like stepping on a rotten melon at anything below 5000 RPM. I seen one of those intakes before in Jim Kramer's stash of rare race parts and you are right they do look cool. The only thing that might make it run is the 4-speed keeping the engine up in the happy range. Put a 4.10 gear in there and a good cam designed with cast manifolds (check Andy's cast iron manifold build) and you might make it work Intakes are easy to change if you hate it Gus
64 Plymouth Savoy 493 Indy EZ's by Nick at Compu-Flow 5-Speed Richmond faceplate Liberty box Dana 60
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