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Old 10-19-2017, 11:33 AM   #1
38bill
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Default 533 HP on the dyno.
I posted a photo a week ago of a flathead Ardun conversion at a local car museum nearby me. Here is the dyno run video. Too short but pretty cool.

https://www.youtube.com/watch?v=JIkH7eQxyus
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Old 10-19-2017, 06:06 PM   #2
jrvariel48
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Default Re: 533 HP on the dyno.
WOW!! That was really cool!
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Old 10-19-2017, 06:46 PM   #3
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Default Re: 533 HP on the dyno.
that's absolutely crazy numbers from a flathead.
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Old 10-19-2017, 07:57 PM   #4
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Default Re: 533 HP on the dyno.
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that's absolutely crazy numbers from a flathead.
Only thing is, it's no longer a flathead! It's an antique Ford block with aftermarket overhead valve hemispherical aluminum heads.
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Old 10-19-2017, 08:29 PM   #5
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Default Re: 533 HP on the dyno.
Yep
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Old 10-19-2017, 08:30 PM   #6
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I wonder how much $$ was put into it??

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Old 10-19-2017, 08:47 PM   #7
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Default Re: 533 HP on the dyno.
Sure like to know what was in it??
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Old 10-19-2017, 09:26 PM   #8
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Default Re: 533 HP on the dyno.
Looks to be this one, that some might remember being on eBay.

https://www.rcnmag.com/fresh-finds/t...d-needs-a-home

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Old 10-20-2017, 03:44 AM   #9
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Default Re: 533 HP on the dyno.
Amazing
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Old 10-20-2017, 03:51 AM   #10
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Default Re: 533 HP on the dyno.
If someone told you a supercharged Hemi made 500+ HP it probably wouldn't impress you very much.
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Old 10-20-2017, 05:12 AM   #11
deuce lover
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Default Re: 533 HP on the dyno.
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Originally Posted by tony starr View Post
Looks to be this one, that some might remember being on eBay.

https://www.rcnmag.com/fresh-finds/t...d-needs-a-home

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At $49K priced right.I got over 1/2 that asking price for a mint complete original set of Ardun heads only w/ intake and exhaust manifolds in 08.
Last edited by deuce lover; 10-20-2017 at 12:29 PM.
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Old 10-20-2017, 05:32 AM   #12
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Default Re: 533 HP on the dyno.
500hp on three main bearings....
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Old 10-20-2017, 06:15 AM   #13
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500hp on three main bearings....
But for how long?!
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Old 10-20-2017, 07:45 AM   #14
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But for how long?!
With Rick's bottom end, a very long time. Schnell knows flatheads.
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Old 10-20-2017, 07:50 AM   #15
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Default Re: 533 HP on the dyno.
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I wonder how much $$ was put into it??

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Old 10-20-2017, 08:31 AM   #16
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Default Re: 533 HP on the dyno.
Fantastic numbers ... curious - are Ardun conversions actually not considered flatheads?? I thing SCTA Bonneville has them as a different class that does not compete against a flathead??
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Old 10-20-2017, 08:50 AM   #17
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Default Re: 533 HP on the dyno.
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Fantastic numbers ... curious - are Ardun conversions actually not considered flatheads?? I thing SCTA Bonneville has them as a different class that does not compete against a flathead??
Flatheads are L-heads...Ardun are overheadhead valves.
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Old 10-20-2017, 09:37 AM   #18
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Default Re: 533 HP on the dyno.
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At $49K priced right.I got over 1/2 that asking price for a mint complete original set of Ardun's w/ intake and exhaust manifolds in 08.
Yeah, but your engine likely doesn't have all of the extra engineering, parts, and work that went into this Schnell-built engine.
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Old 10-20-2017, 10:57 AM   #19
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Default Re: 533 HP on the dyno.
It was built by Rick Schnell here in Minnesota. Its based on a 1951 Merc block. Here is another view. The thing is so shiny its hard to photograph.

5000+ RPM's - 533HP - 488 FP's of torque
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File Type: jpg Ardun.jpg (68.3 KB, 66 views)
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Old 10-20-2017, 12:16 PM   #20
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Default Re: 533 HP on the dyno.
The only thing that beats cubic inches is cubic money.
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