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#1584129 08/02/2025 4:07 PM
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This may have been posted before but I have not seen it and found it interesting info about Chevy's first V-8 265.

www.youtube.com/watch?v=rWtxmXYqCPI

Don

Last edited by klhansen; 08/02/2025 5:25 PM. Reason: Removed embedded video

1967 GMC 9500 Fire Ladder Truck
"The Flag Pole"
In the Stovebolt Gallery
'46 2-Ton grain truck | '50 2-ton flatbed | '54 Pontiac Straight Eight | '54 Plymouth Belvidere | '70 American LaFrance pumper fire truck | '76 Triumph TR-6
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As I recall, the biggest gripe about the 265s I worked on was pistons- - - -if an engine didn't have two or three cracked piston skirts down by the Invar expansion control strut, it was a rare bird! Those cracked pistons clucked like a mama hen with a new brood of chicks!
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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Great video Don!

Thanks for sharing!

Mike B smile


Mike Boteler

1956 Chevy 3100 Resto Rod
1956 8400 Wrecker w/Holmes 525
1956 9200 Tractor w/Allison Automatic
1952 Willys M38 Army Jeep
1953 Willys M38A1 Fire Jeep
1978 Jeep CJ-5 Navy Jeep
1984 Jeep CJ7
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Guy I was working for as a teen rebuilt a 265 for a customer's '55 pick up, got it running and no oil to the L.H. (as I recall) lifters / rockers. He called an old machinist friend who told him " look at the old cam, should have a flat on rear brg journal, take the new cam to the grinder & grind a flat on the the rear onto the new cam to match the o.e. one." Seems early production V8 didn't have a drilled passage to feed oil the lifters on that bank, oil flowed via the cam flat. I've never seen such a thing again.


BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
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The flat spot was on the distributor housing, not the cam. If the distributor got clocked wrong and the wires in the cap got walked around a couple of towers to compensate, oil to the passenger's side lifter oil gallery got shut off. Later distributors had a full circle groove instead of a flat.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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Screenshot from the video.
Attachments
IMG_20250803_155238765.jpg (301.46 KB, 99 downloads)


BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022
Joined: Feb 2004
Posts: 28,674
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That's a new one on me-- - - -I've seen several of the flat-spot distributors. They were probably used together to oil one of the lifter galleries.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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Thanks Don. Got one of those in my shop.


~ Victor
1941 3/4-Ton Pickup (in process). Read about it in the DITY Gallery
1955 Grumman Kurbside "Doughboy" 235/3 on tree w/ OD
1957 3100 - moved on
1959 C4500 Short Bus "Magic Bus" - moved on
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Really interesting. Thanks for posting that.


Geoff

1955 2nd Series 3600 235 cid, 4 sp. - Current
1979 Chevy K10 350 cid 4 sp -Sold
1955 2nd Series Wide Window 283 cid 3 sp - Totaled

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