Pontiac - Race The next Level

          
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Old 02-01-2017, 10:02 AM
hill461 hill461 is offline
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Default 450cfm

My warp - 6 heads are advertised 460 cfm as cast nothing but a gasket match . My 541 dynoed 1025 at 7500 rpm . I was quite impressed . They are back at Kauffmans shop to be cnc ported in preparation for the new aluminum block 535 . Don't know it I will dyno this spring or fall once race saeson is here it'll hit the track
Hill461

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Old 02-01-2017, 05:48 PM
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My warp - 6 heads are advertised 460 cfm as cast nothing but a gasket match . My 541 dynoed 1025 at 7500 rpm . I was quite impressed . They are back at Kauffmans shop to be cnc ported in preparation for the new aluminum block 535 . Don't know it I will dyno this spring or fall once race saeson is here it'll hit the track
Hill461
Pretty DARN good for a MILD engine set-up!


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Old 01-31-2017, 02:33 AM
Dragncar Dragncar is offline
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400 cfm fellas. The intake needs to have things done to work. Great starting point.

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Old 01-31-2017, 08:11 AM
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400 cfm fellas. The intake needs to have things done to work. Great starting point.
What needs to be done?

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Old 01-31-2017, 10:20 AM
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How will the super wedge work with the Old Faithful cam? (LOL)

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Old 02-02-2017, 08:51 AM
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How will the super wedge work with the Old Faithful cam? (LOL)
That's funny.....may I add "go big or go home"!

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Old 02-01-2017, 08:18 PM
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I thought Warp6 was a billet head?

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Old 02-01-2017, 08:38 PM
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I thought Warp6 was a billet head?

Yes & No it started off as a Billet then KRE casted it! Right now its the Best flowing head out there! Also the Quickest/FASTEST right now.......but that could change Boss Birds RA5 are charging hard!!


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Old 02-02-2017, 07:42 AM
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Yes & No it started off as a Billet then KRE casted it! Right now its the Best flowing head out there! Also the Quickest/FASTEST right now.......but that could change Boss Birds RA5 are charging hard!!


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No there not the best flowing head out there.

The only reason it's fast is its light.

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Old 02-02-2017, 04:15 PM
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Thank You John Langer, for the post. I did the math on the numbers this morning and was a bit surprised at how efficient
the SUPER WEDGE heads were (making that much Horsepower) for EACH of those 450 cfm of air. Thanks for the clarification.

Tom V.

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Old 02-02-2017, 04:29 PM
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Quote:
450cfm will NOT give you 1300hp n/a on top of a 565" Pontiac. Not even close.
Same as 414 CFM won't make 1200 HP N/A?


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Old 02-02-2017, 05:16 PM
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Same as 414 CFM won't make 1200 HP N/A?

It won't... you need around 460-480 cfm to make 1200 hp na on a 565" Pontiac. I can say I have a dyno sheet that says I make 1500hp but if I don't run the number did I really make 1500 hp?

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Old 02-02-2017, 05:43 PM
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Agree 100%


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Old 02-02-2017, 06:00 PM
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It won't... you need around 460-480 cfm to make 1200 hp na on a 565" Pontiac. I can say I have a dyno sheet that says I make 1500hp but if I don't run the number did I really make 1500 hp?


Well HELL thats interesting!



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Old 02-03-2017, 08:01 PM
Gary Kubisch Gary Kubisch is offline
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Same as 414 CFM won't make 1200 HP N/A?

So how much horsepower is an engine making if it propels a 3000 lb car to a 171 mph quarter mile trap speed ?

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Old 02-04-2017, 11:27 AM
Gary Kubisch Gary Kubisch is offline
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Originally Posted by johnta1 View Post
Same as 414 CFM won't make 1200 HP N/A?

So, since you answered with what seems to be an inaccurate calculator.

I'll ask you this way .... whether you believe the dyno sheet or not.

Doesn't the on track performance back up the HP claim?

You can answer correctly or let it go ....

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Old 02-04-2017, 11:42 AM
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Quote:
Doesn't the on track performance back up the HP claim?
Did you do the calculation?
What did it show if you did?

The MPH will show what HP was used to get that speed.
(doesn't mean that is what the total HP of engine is)



Quote:
You can answer correctly or let it go ....
BTW, are you trying to imply that I don't think the 414 CFM won't make 1200 HP?


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Old 02-04-2017, 11:47 AM
Gary Kubisch Gary Kubisch is offline
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Originally Posted by johnta1 View Post


BTW, are you trying to imply that I don't think the 414 CFM won't make 1200 HP?


Yes. And it struck a nerve with me knowing exactly where those numbers are from.

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Old 02-02-2017, 05:54 PM
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Depending on the price point, that head could be a very good option.

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Old 02-02-2017, 06:29 PM
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Quote:
Originally Posted by John Langer View Post
It won't... you need around 460-480 cfm to make 1200 hp na on a 565" Pontiac. I can say I have a dyno sheet that says I make 1500hp but if I don't run the number did I really make 1500 hp?
Normal rule of thumb is" (from a old super flow caclulation):

CFM times 2 and then a efficiency multiplier for a very good port.

So we do 480 cfm times 2 = 960 HP (or 2 hp per cfm) not too hard to do.
Then we multiply by the efficiency factor (1.1, 1.15, 2.0, 2.5, etc)
So in this case using Langer's number for CFM we get 2 times 480 cfm = 960 HP TIMES 1.25 efficiency factor and we get 1200 horsepower.

If we do the same calculation again for the 1300 hp number:
we get 2 times 480 cfm = 960 HP TIMES 1.35 we get slightly under 1300 hp.
1.35 is a bit of a stretch for typical engine.
If we do the same calculation again for the 1300 hp number:

we get 2 times 414 cfm = 828 HP TIMES 1.45 (NOT A TYPO) we get slightly over 1200 hp. ( 1200.6) You have to have a really good set-up to generate that type of multiplier number.

I tend to go with Langer's statement.

Tom V.

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