Re: 426 Street Hemi intake manifold question ?
[Re: cudaman1969]
#3158558
07/10/23 03:35 PM
07/10/23 03:35 PM
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rickseeman
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Come to think of it they had to come on the RO/WO cars or the throttles wouldn't have opened. Street hemi holes are too small the way I remember it.
2011 Drag Pak Challenger
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Re: 426 Street Hemi intake manifold question ?
[Re: rickseeman]
#3158582
07/10/23 05:05 PM
07/10/23 05:05 PM
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cudaman1969
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Come to think of it they had to come on the RO/WO cars or the throttles wouldn't have opened. Street hemi holes are too small the way I remember it. Hemi carbs are the largest ever offered except the TQ. The cutouts were for better distribution
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Re: 426 Street Hemi intake manifold question ?
[Re: dragon slayer]
#3158590
07/10/23 05:33 PM
07/10/23 05:33 PM
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6PakBee
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What does the engine development report say? Is that available in pdf to read? I am assuming (there's that word again) that is is the paper being discussed. I have not bought it yet but I plan to. SAE Hemi Paper
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: 426 Street Hemi intake manifold question ?
[Re: 6PakBee]
#3158612
07/10/23 06:50 PM
07/10/23 06:50 PM
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A727Tflite
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What does the engine development report say? Is that available in pdf to read? I am assuming (there's that word again) that is is the paper being discussed. I have not bought it yet but I plan to. SAE Hemi Paper While the mentioned book is great reading it isn’t the one I reference. The book I reference focuses only on the street Hemi release. All kinds of development work, dyno runs, etc.
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Re: 426 Street Hemi intake manifold question ?
[Re: cudaman1969]
#3158659
07/10/23 09:43 PM
07/10/23 09:43 PM
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Cab_Burge
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Come to think of it they had to come on the RO/WO cars or the throttles wouldn't have opened. Street hemi holes are too small the way I remember it. Hemi carbs are the largest ever offered except the TQ. The cutouts were for better distribution Which Hemi carbs are you talking about? The Holley cross ram race carbs or Carter Street Hemi carbs? The 1964 426 wedge cross ram carbs were the biggest Carter carbs I've heard of on production Mopar motors in production cars
Last edited by Cab_Burge; 07/10/23 09:44 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: 426 Street Hemi intake manifold question ?
[Re: Cab_Burge]
#3158665
07/10/23 10:25 PM
07/10/23 10:25 PM
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rickseeman
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I was wrong. I checked it out. I was thinking the 67 RO/WO cars had the bigger carbs and the Vanke manifold but they didn't. I've studied 68's and 65's but never really paid any attention to the 67's. I was just thinking that was correct.
2011 Drag Pak Challenger
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Re: 426 Street Hemi intake manifold question ?
[Re: Cab_Burge]
#3158700
07/11/23 12:32 AM
07/11/23 12:32 AM
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cudaman1969
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Come to think of it they had to come on the RO/WO cars or the throttles wouldn't have opened. Street hemi holes are too small the way I remember it. Hemi carbs are the largest ever offered except the TQ. The cutouts were for better distribution Which Hemi carbs are you talking about? The Holley cross ram race carbs or Carter Street Hemi carbs? The 1964 426 wedge cross ram carbs were the biggest Carter carbs I've heard of on production Mopar motors in production cars My understanding the Carter carbs all had the same size butterflies even the Hollys, 1-11/16, (big engines only)
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Re: 426 Street Hemi intake manifold question ?
[Re: cudaman1969]
#3158711
07/11/23 02:57 AM
07/11/23 02:57 AM
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Cab_Burge
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All the stock street hemi carter carbs I've seen, 1966 up to 1971 all have the smaller primary throttle blades than the rears. I'm thinking all of those carbs. flow around 600 CFM, both the front and back carbs, maybe not When Mopar put the new E series Carter 3705 AFB on the 1964 Max Wedge motors that shook the Hi Po world up and made those cars with those motors noticeably faster than the 1963 motors with the smaller 3447 ABF carbs G.M ended up dropping out of the Hi performance cars wars in the spring of 1964 is what I'm remembering now. Ford had brought out the 427 ford Thunderbolt Fairlanes and those cars gave the M. W. B body cars a run for the money so Ma Mopar came out with the 426 Hemi motors for racing only in the first part of 1964 for both drag racing and NASCAR racing back then
Last edited by Cab_Burge; 07/11/23 02:59 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: 426 Street Hemi intake manifold question ?
[Re: A727Tflite]
#3158739
07/11/23 08:10 AM
07/11/23 08:10 AM
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Joined: Jan 2003
Posts: 10,943 North Dakota
6PakBee
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What does the engine development report say? Is that available in pdf to read? I am assuming (there's that word again) that is is the paper being discussed. I have not bought it yet but I plan to. SAE Hemi Paper While the mentioned book is great reading it isn’t the one I reference. The book I reference focuses only on the street Hemi release. All kinds of development work, dyno runs, etc. What is the ISBN on the book you have?
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: 426 Street Hemi intake manifold question ?
[Re: 6PakBee]
#3158749
07/11/23 08:48 AM
07/11/23 08:48 AM
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Joined: Mar 2011
Posts: 3,178 Michigan
A727Tflite
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What does the engine development report say? Is that available in pdf to read? I am assuming (there's that word again) that is is the paper being discussed. I have not bought it yet but I plan to. SAE Hemi Paper While the mentioned book is great reading it isn’t the one I reference. The book I reference focuses only on the street Hemi release. All kinds of development work, dyno runs, etc. What is the ISBN on the book you have? This book was never intended for release outside Chrysler. It’s an internal technical report. I was lucky enough to find it squirreled away in paperwork found when I purchased a car from a Chrysler Engineer who had passed away.
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Re: 426 Street Hemi intake manifold question ?
[Re: Cab_Burge]
#3159050
07/12/23 09:11 AM
07/12/23 09:11 AM
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Joined: Jan 2004
Posts: 8,660 fredericksburg,va
cudaman1969
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Come to think of it they had to come on the RO/WO cars or the throttles wouldn't have opened. Street hemi holes are too small the way I remember it. Hemi carbs are the largest ever offered except the TQ. The cutouts were for better distribution Which Hemi carbs are you talking about? The Holley cross ram race carbs or Carter Street Hemi carbs? The 1964 426 wedge cross ram carbs were the biggest Carter carbs I've heard of on production Mopar motors in production cars You’re right cab, I checked the Hemi carbs again in fact I looked at all of them, AVS looked to be the largest
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Re: 426 Street Hemi intake manifold question ?
[Re: cudaman1969]
#3234916
05/25/24 03:27 PM
05/25/24 03:27 PM
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Craig J
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Then Eldebrock stepped up with the Rat Roaster, 2 4s and single 4 tops. How 'bad' is the stock street hemi intake compared to the dual quad single plane version that I have from Edelbrock for my 572 with a manual transmission? Goal is a nice running street engine, not interested in what it does at 7500 rpm.... Thanks Craig
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Re: 426 Street Hemi intake manifold question ?
[Re: Craig J]
#3234926
05/25/24 04:27 PM
05/25/24 04:27 PM
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rickseeman
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One would assume the dual plane would be better for that but that doesn't mean anything.
2011 Drag Pak Challenger
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