552" P51 Build - 460 Ford Forum
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post #1 of 24 (permalink) Old 02-21-2015, 01:09 PM Thread Starter
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552" P51 Build

D0VE-A block bored .060 over w/ ProGram splayed 4 bolt caps
4.5 scat forged crank internally balanced
Scat 6.8 H-beam rods w/ ARP 2000 bolt upgrade
Diamond -20cc dish pistons (11.5 compression )
Ported P51 heads
Mafia intake port matched to heads
1" jomar powercone spacer
Paul Kane stage 1 HV oil pump
Comp solid roller .760/.705 lift 276/280 duration 110 lobe sep.
1050 dominator
Mad Dog 2 1/8 fender exit headers w/ 4 in. collectors


Engine was dynoed with scorpion roller rockers but have recently switched to comp xd rockers after breaking 3 of the scorpions. Engine was dynoed on 93 octane. Currently in a 1979 f250 4wd and running great. Thanks Lem Evans and Paul Kane for parts.
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post #2 of 24 (permalink) Old 02-21-2015, 01:59 PM
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Very good build, lot's of bottom end all the way to 6500 and still making power. You mite twist that 79 in half. Steve
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post #3 of 24 (permalink) Old 02-21-2015, 03:12 PM
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Cool

Should be fun

B F Evans Race Parts
270-278-2376
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post #4 of 24 (permalink) Old 02-21-2015, 07:09 PM
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552" P51 Build

I'm very impressed! Good job at that rpm!!!


Let's get some pics of that deal.

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post #5 of 24 (permalink) Old 02-22-2015, 12:27 AM
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Very nice! Street car motor!

557ci 70 Maverick, [email protected] 1.25 60ft.... So far....
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post #6 of 24 (permalink) Old 02-22-2015, 10:24 AM Thread Starter
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Thanks for the replys. Any suggestions from anyone about the cam? My engine builder had used a cam with these same specs in a 514 with cobra jet heads that he built for my buddy, except he called comp and got them to add a little more lift for mine. Very happy with the way this cam performed but just wondering if there is more power in this motor with different cam specs. My heads flowed 415 @ .750 lift. I also have a 4300 stall converter and a very strong built c6. The truck is a weekend play toy that I drive on the street every now and then but will also use it to play in the mud and sand drags. Will also try and post some pics today.
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post #7 of 24 (permalink) Old 02-22-2015, 02:36 PM
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I'm not sure how much power could be added with a new cam. Those are some pretty stout numbers for a pump gas motor. If there is any left I'm not sure it would be worth the expense to squeeze out that extra 7 1/2 horsepower.

Impressive build. Good job.

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post #8 of 24 (permalink) Old 02-22-2015, 05:34 PM
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Quote:
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Thanks for the replys. Any suggestions from anyone about the cam? My engine builder had used a cam with these same specs in a 514 with cobra jet heads that he built for my buddy, except he called comp and got them to add a little more lift for mine. Very happy with the way this cam performed but just wondering if there is more power in this motor with different cam specs. My heads flowed 415 @ .750 lift. I also have a 4300 stall converter and a very strong built c6. The truck is a weekend play toy that I drive on the street every now and then but will also use it to play in the mud and sand drags. Will also try and post some pics today.
What you not happy with pump gas 824hp...lol

Why did he stop the pull at 6500?

Nice build man.......the most hp ive seen on pump gas with these heads.
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post #9 of 24 (permalink) Old 02-22-2015, 06:34 PM Thread Starter
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Oh im very happy with the horsepower, just was wondering what a different cam might have done for it. After the first 2 or 3 dyno pulls i was also wondering why he only pulled to 6500 but after i saw the horsepower and torque numbers I really didnt care lol. Would like to know what the peak power of this thing might be though. Forgot to mention that we also made a pull on 100 octane sunoco fuel and bumped the timing to 30 degrees and it made 838hp at 6500.
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post #10 of 24 (permalink) Old 02-22-2015, 06:44 PM Thread Starter
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A pic of the engine in the truck...
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post #11 of 24 (permalink) Old 02-22-2015, 06:51 PM
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Am I reading those A/F numbers correctly?

71 Comet 289/Liberty TL/11.9Xs
84 Cougar HO/T5
77 F250 4x4/466
78 F350 CC hauler/460

Never shoot your mouth off unless your brain is loaded!
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post #12 of 24 (permalink) Old 02-22-2015, 06:51 PM Thread Starter
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And one of the truck....
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post #13 of 24 (permalink) Old 02-22-2015, 06:55 PM
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And one of the truck....
Nice. I've got a 77 high boy...gotta luv em.

71 Comet 289/Liberty TL/11.9Xs
84 Cougar HO/T5
77 F250 4x4/466
78 F350 CC hauler/460

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post #14 of 24 (permalink) Old 02-22-2015, 06:59 PM Thread Starter
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Am I reading those A/F numbers correctly?
Alot of those numbers on the dyno sheet confuse me pertaining to air, fuel, etc. so im not sure what numbers are normal and what arent. I was just along for the ride....
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post #15 of 24 (permalink) Old 02-25-2015, 05:44 PM
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Alot of those numbers on the dyno sheet confuse me pertaining to air, fuel, etc. so im not sure what numbers are normal and what arent. I was just along for the ride....
You might want to take the time to ask because if they are accurate it is horribly lean and will eat itself shortly.

1973 Mustang Convertible
460 D0VE-C Heads w/CJ size valves, Lunati voodoo 227/233 cam, Edelbrock performer rpm manifold, FPA headers, Holley 950 HP carb, C6 w/2500 stall converter, 3.50 trac lock
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