1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck

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1967 390

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Jan 20, 2020 | 05:04 PM

#1

Johnnyb1993

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1967 390

I have a 1967 390 in my 74 f250 it has c8ae-h heads and a XE-262 cam aftermarket intake and a holly 750 carb anyone have an rough idea on HP?

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Jan 20, 2020 | 08:01 PM

#2

somethingclever

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From: SW PA

What is the compression test results?
what does the timing curve look like?
what is your WOT a/f ratio curve?
are you at sea level or 5000’?
Hp in 120f temps or -20F?
SAE STD or uncorrected?

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Jan 20, 2020 | 09:24 PM

#3

440 sixpack

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assuming it's basically stock compression and it has some wear on it you should be something a little over 300 horse. that's in old school brake HP like they did back then.

Not a fireball but about as good as it got for this vintage.

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