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A goal finally realized. 900hp
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DRR Pro
Picture of SpeierRacingHeads
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The engine is back on the dyno. I made the HULK, XXL in size looking for a little more. Make pulls later today or tomorrow.



 
Posts: 1420 | Location: Hays Kansas | Registered: January 23, 2006Reply With QuoteReport This Post
DRR Sportsman
Picture of FootbrakeJim
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Beautiful work, Chad!
Aside from the porting, a lot of hours went into that surface finish.


Dan "Jim" Moore
Much too young to feel this damn old!!
 
Posts: 1104 | Location: Farmersville, TX  | Registered: December 05, 2002Reply With QuoteReport This Post
DRR Top Comp
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I would like to know how much more the intake makes on dyno.


https://postimg.cc/gallery/np3zpruo/
"Dunning-Kruger Effect"
-a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge.

Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue.

4X NE2 CHAMPION. 2020 TDRA NE2 Champion
 
Posts: 4291 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post
DRR Pro
Picture of SpeierRacingHeads
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quote:
Originally posted by Curly1:
I would like to know how much more the intake makes on dyno.


It's on the dyno today. Yesterday Chris made one pull and it made more power than before and was fat. My guess done is 670/917
 
Posts: 1420 | Location: Hays Kansas | Registered: January 23, 2006Reply With QuoteReport This Post
DRR Pro
Picture of SpeierRacingHeads
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They are done. I will post up details for those curious. But I have this. It didn't make a big change peak, but it made 15/10 more on average! Manifold and engine tweaks to it.

 
Posts: 1420 | Location: Hays Kansas | Registered: January 23, 2006Reply With QuoteReport This Post
DRR Top Comp
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That is nice and a significant improvement. When you get to that kind of power with 23* heads to get that much more is impressive.


https://postimg.cc/gallery/np3zpruo/
"Dunning-Kruger Effect"
-a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge.

Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue.

4X NE2 CHAMPION. 2020 TDRA NE2 Champion
 
Posts: 4291 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post
DRR Pro
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Can you post the video of the final dyno session?
 
Posts: 2687 | Location: 53056 | Registered: December 30, 2009Reply With QuoteReport This Post



DRR Pro
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https://youtu.be/f1I-T8fW9Fw?si=AWHADKrRC_zm2iSP

This message has been edited. Last edited by: SpeierRacingHeads,
 
Posts: 1420 | Location: Hays Kansas | Registered: January 23, 2006Reply With QuoteReport This Post
DRR Pro
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quote:
Originally posted by SpeierRacingHeads:
https://youtu.be/f1I-T8fW9Fw?si=AWHADKrRC_zm2iSP


Saw it flash 921 hp in the video…WOW
 
Posts: 2687 | Location: 53056 | Registered: December 30, 2009Reply With QuoteReport This Post
DRR S/Pro
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Makin steam!


California Screaming!
Raceless in California!
 
Posts: 4672 | Location: Vacaville  | Registered: January 07, 2004Reply With QuoteReport This Post
DRR Pro
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Final Results after porting the URE HULK23 manifold.

915 hp at 8000 rpm
675 tq at 6350 rpm
Test Range 6300 to 8200

Avg Hp - 873
Avg Tq - 634
21 avg hp increase
15 avg tq increase

Previous Results with port matched URE HULK23 manifold.

900 hp / 648 tq
Avg Hp - 852
Avg Tq - 619
 
Posts: 1420 | Location: Hays Kansas | Registered: January 23, 2006Reply With QuoteReport This Post
DRR Pro
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If you installed bungs in that manifold, EFI injectors, ecu and topped it with a 1450+ cfm single blade throttle body (toilet style) on that engine … slower, same , faster?
 
Posts: 2687 | Location: 53056 | Registered: December 30, 2009Reply With QuoteReport This Post
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