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#1
11-19-2023, 12:14 AM
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1956 Pontiac dual quad engine information needed
I'm asking for information on this engine for a friend of mine. He has found what he believes to be a old nascar engine and is hoping to get some more information to decode it. All I know at this point is it's a 56 dual quad engine.
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#2
11-19-2023, 12:30 AM
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Brad Yost 1973 T/A (SOLD) 2005 GTO 1984 Grand Prix 100% Pontiacs in my driveway!!! What's in your driveway? If you don't take some of the RACETRACK home with you, Ya got cheated    
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#3
11-19-2023, 12:54 AM
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Rick Gonser is a tech advisor for POCI.You should be able to get his number from the Smoke Signal monthly mag.tom
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#4
11-19-2023, 07:30 AM
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Just the air cleaner assembly for that motor is worth a small fortune if it’s still present.!
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
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#5
11-19-2023, 08:11 AM
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Thank you. I will attempt to contact Rick. Will post pics if he sends any
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Be carefull of the feet you step on today.They may be attached to the a$$ you kiss tomorrow. |
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#6
11-19-2023, 08:12 AM
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I saw one when I was very young. Wow! I thought. I think that is where that 524886 camshaft originated.
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#7
11-19-2023, 09:02 AM
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Hmmmm, wonder if the 1956 Salt Falts Pontiac Engrg 24 hour lifetest video (about 15-20minutes) is the Ab Jenkins 24 hour run.
Is on CD, and willing to know best way, place to upload it. |
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#8
11-19-2023, 12:06 PM
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Few pics
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Be carefull of the feet you step on today.They may be attached to the a$$ you kiss tomorrow. |
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#9
11-19-2023, 12:08 PM
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Heads are not the original 2 4 castings from what I can tell.
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Be carefull of the feet you step on today.They may be attached to the a$$ you kiss tomorrow. |
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#10
11-19-2023, 12:54 PM
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Block number looks correct
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Be carefull of the feet you step on today.They may be attached to the a$$ you kiss tomorrow. |
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#11
11-19-2023, 03:01 PM
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Those are the correct head casting numbers according to the info I have.
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
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#12
11-19-2023, 04:07 PM
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Wallace racing showed 522845 as the 2 4 heads. From what little I know the ones he has have a bigger combustion chamber and need cut .071 to get the same compression ratio. Other than that both heads are the same
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Be carefull of the feet you step on today.They may be attached to the a$$ you kiss tomorrow. |
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#13
11-19-2023, 06:22 PM
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Thanks for sharing. Looks like some hd cast iron around the mains.
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#14
11-19-2023, 10:06 PM
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Looks quite solid in the lifter bore area!
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LIFT HEAVY, LIFE IS TOO SHORT TO BE SMALL! |
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#15
11-20-2023, 07:50 AM
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Cam should be 522869,sorry. Other nos. Block#, manual trans 'S', auto 'H'. Head cast for all 56 V 8 522010. I do not have specific chamber volumes. From my listings intake,#523554. Distributor # 1110875. Carb # 7009820. Good luck. Nice find.
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#16
11-20-2023, 10:00 AM
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2-blot block was good enough for early nascar huh. Wonder what rods were successful.
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#17
11-20-2023, 10:11 AM
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Here's screenshots from Craftsman Service News on the 285 HP engine:
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#18
11-20-2023, 06:54 PM
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Thanks John and everyone else for the information. Very helpful
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Be carefull of the feet you step on today.They may be attached to the a$$ you kiss tomorrow. |
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#19
11-21-2023, 01:41 AM
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Interesting specs John. Ignition timing surely wasn't "aggressive"- no more than 30 degrees @ 4,000 RPM!
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Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons? ... or has built a record breaking DOHC hemi four cylinder Pontiac? ... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967) ... or has a Pontiac born the same year as Jim Wangers? (1926} 
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