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  #61  
Old 04-29-2022, 01:39 PM
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The intake plenum is a lot more sensitive to plenum height than most assume.
That being said, as Steve posted, if it is a street car giving up 8-10 hp is a non issue.

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  #62  
Old 04-29-2022, 01:39 PM
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Speaking of getting under hood, My Paisan ditched his high port heads with cut down Victor intake and went with E-heads North Wind intake and made 810 hp on pump gas. We collaborate on motor build, he made all the decisions. It’s a gorgeous 1970 Firebird completely street legal.

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  #63  
Old 04-29-2022, 03:15 PM
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Currently working on a nostalgic build using a 428 with ported RAIV heads topped with a S-K tunnel ram and a pair of Ford 4201/4202 carburetors.
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  #64  
Old 04-29-2022, 04:08 PM
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Originally Posted by PAUL K View Post
Currently working on a nostalgic build using a 428 with ported RAIV heads topped with a S-K tunnel ram and a pair of Ford 4201/4202 carburetors.
The head in back wants some attention

  #65  
Old 04-29-2022, 04:57 PM
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That is one bad motha! The other one is on a flow bench.

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Last edited by PAUL K; 04-29-2022 at 05:02 PM.
  #66  
Old 04-29-2022, 04:58 PM
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The Northwind is shorter but has a deeper plenum than a Victor.

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1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever!
1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand
1965 GTO 4 barrel 3 speed project
2004 GTO Pulse Red stock motor computer tune 13.43@103.4
1964 Impala SS 409/470ci 600 HP stroker project
1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs
  #67  
Old 04-29-2022, 05:06 PM
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The Northwind is shorter but has a deeper plenum than a Victor.
I think the Northwind with a 1" spacer is still shorter than a Victor. I can't imagine trying to run the Northwind without a half inch spacer minimum. I'd rather rework a HSD if I couldn't fit a spacer on the NW.

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  #68  
Old 04-29-2022, 06:46 PM
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The Northwind is shorter but has a deeper plenum than a Victor.
Dan Barton did allot of work to Northwind intake, it wasn’t that good out of the box, but he’s happy happy got it all under the hood. Real nice sleeper. 9’s here we come.

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  #69  
Old 04-29-2022, 06:48 PM
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I think the Northwind with a 1" spacer is still shorter than a Victor. I can't imagine trying to run the Northwind without a half inch spacer minimum. I'd rather rework a HSD if I couldn't fit a spacer on the NW.
Yes..almost 1” shorter then Victor, he thinks he can get 1” spacer in there.

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  #70  
Old 04-29-2022, 07:00 PM
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I should’ve said made 810 hp, with 1” spacer.

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  #71  
Old 04-29-2022, 07:23 PM
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The problem was the high port are close to 1” taller then the E-heads to begin with. Because of the rise port in the HP. The Victor that was matched to hp was done be Dan. Still with the E-Head and northwind he made close to 70 more hp.

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  #72  
Old 04-29-2022, 07:39 PM
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The problem was the high port are close to 1” taller then the E-heads to begin with. Because of the rise port in the HP. The Victor that was matched to hp was done be Dan. Still with the E-Head and northwind he made close to 70 more hp.
Got a dyno sheet?

  #73  
Old 04-29-2022, 07:42 PM
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No I don’t, just going by what he told me.

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  #74  
Old 04-29-2022, 08:55 PM
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No I don’t, just going by what he told me.
Guess we'll have to take your word that hp heads and victor were 70hp less than e-heads and nw intake

  #75  
Old 04-29-2022, 09:13 PM
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Not my word, I have no reason to question his word. The High port were originally done by Kauffman but didn’t flow the numbers they said on another flow bench. The E-heads do flow 387 cfm @ 750 lift after the second go around. Because someone bench was off on the first. Second time they did 387 cfm was back up on another bench.

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  #76  
Old 04-29-2022, 09:16 PM
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Not my word, I have no reason to question his word. The High port were originally done by Kauffman but didn’t flow the numbers they said on another flow bench. The E-heads do flow 387 cfm @ 750 lift after the second go around. Because someone bench was off on the first. Second time they did 387 cfm was back up on another bench.
Wide port e-heads?

  #77  
Old 04-29-2022, 09:24 PM
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Wide port e-heads?
Yes. 540-546 ci some were there can’t remember exactly. Also forgot to mention was cam change too. Which I can’t remember the specs.

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  #78  
Old 04-29-2022, 09:33 PM
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Dan did allot of work to that Northwind. So it’s not something that works out of the box.

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  #79  
Old 04-29-2022, 09:46 PM
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Dan did allot of work to that Northwind. So it’s not something that works out of the box.
Interesting the northwinds i have tested and been apart of test all worked good out of the box with just a port match and carb spacer

  #80  
Old 04-29-2022, 09:57 PM
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They probably do depending on the application. I’m not one to question Dan

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