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#1
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Crankshaft # ID
Tearing down a '69 250 Sprint and came across a number I am not sure of.
It's either 3878802 or 9878802 I don't have anything on my list for this one. Any help identifying greatly appreciated.
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When I die, I want to go peacefully like my grandfather did, in his sleep. Not screaming like the passengers in his car. Last edited by Jeff Hamlin; 06-15-2014 at 08:22 PM. |
#2
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Not able to answer your question but it does raise another.
Check and see if the 69 Sprint Rods are "special" or not. Do they look like all the other rods that our OHC's use or are they different? Pics?
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69 OHC ZH Sprint Hurst 3 Speed 3:55 (1 of 213) 99 Valkyrie 1520cc Flat 6 108hp/110tq - For Sale http://sohcsix.yuku.com/forums/1/OHC-lounge Wanted: 1969 OHC "H" Camshaft |
#3
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Looks like the same casting # thats on my 69' 250 1bbl crank
I think your casting # is actually 3876802 Last edited by hpp; 03-24-2013 at 06:54 PM. |
#4
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whew,
Thanks I was beginning to think it was a Chebby crank swap.
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When I die, I want to go peacefully like my grandfather did, in his sleep. Not screaming like the passengers in his car. Last edited by Jeff Hamlin; 03-24-2013 at 08:12 PM. |
#5
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FYI;
Rods are no different the any of the others I have on hand.
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When I die, I want to go peacefully like my grandfather did, in his sleep. Not screaming like the passengers in his car. |
#6
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Almost looks like the only difference between the 1bbl and 4 bbl crank is more holes drilled into the 4bbl cranks counterweights.
How do the journals look will the crank need any machine work or just a polish? |
#7
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would you please REPEAT that very loudly for those that are hard of hearing
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Everything comes and goes Pleasure moves on too early And trouble leaves too slow |
#8
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Quote:
only part of rotating assembly that differs from 1 to 4bbl was the damper and bearings
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Everything comes and goes Pleasure moves on too early And trouble leaves too slow |
#9
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Quote:
THERE IS NO DIFFERENCE BETWEEN THESE RODS AND THE OTHERS I HAVE IN STOCK! THAT IS ALL.
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When I die, I want to go peacefully like my grandfather did, in his sleep. Not screaming like the passengers in his car. |
#10
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HIS?
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Everything comes and goes Pleasure moves on too early And trouble leaves too slow |
#11
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ROTFLMAO
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69 OHC ZH Sprint Hurst 3 Speed 3:55 (1 of 213) 99 Valkyrie 1520cc Flat 6 108hp/110tq - For Sale http://sohcsix.yuku.com/forums/1/OHC-lounge Wanted: 1969 OHC "H" Camshaft |
#12
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lol
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__________________________________________ "How I learned to stop worrying and love the OHC Pontiac L6" The Silver Buick- '77 Skylark coupe w/455, SPX, MegaSquirt 3 & TKO-600 (Drag Week 2011, 2012 & 2015!) 1969 Firebird with a turbo'd Pontiac L6 controlled by a MegaSquirt 3 and backed with a microsquirt controlled 4L60e and 4.56 gears! (Drag Week 2018!) |
#13
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Just discovered the crankshaft in my '68 casting date 250 is also 3876802. A quick online search seems to indicate this is a Chevy crank. Is this in fact a correct/original Pontiac part/part number, shared with Chevy I6 engines?
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#14
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OHC CRANKSHAFT NUMBERS I HAVE ON FILE;
9782279 ‘66-67-230 9790154 ‘68-69-250 3876802 ’69-250
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When I die, I want to go peacefully like my grandfather did, in his sleep. Not screaming like the passengers in his car. |
#15
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Thanks, Jeff. I had seen the first two listed online, but not the third number, so thanks for confirming.
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