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427John's latest activity
4
427John
replied to the thread
Valve covers
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Holmes was the original manufacturer for Moon, you may be right the early Cal Customs did look a lot like the Holmes covers.
Apr 11, 2024
4
427John
replied to the thread
I am stumped : carburetor issue
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MRHP hit the nail on the head, with the difference between fuels from the 50's and 60's (no ethanol) to todays gas I would be totally...
Mar 17, 2024
4
427John
replied to the thread
Notched 068 block
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Early truck 348 blocks were double notch, later truck 348's were single notch, I think they coincided with early 348 truck heads not...
Mar 16, 2024
4
427John
replied to the thread
Is this a 1961 409
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It would take an unethical person to do something like this, and there never seems to be a shortage of those so I'm sure it has been done.
Mar 16, 2024
4
427John
replied to the thread
3732692 Crank grind
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That video is probably referring to the nitrided cranks used in some HP 427's and 454's such as L-88's and ZL-1's, not sure if the 425...
Mar 14, 2024
4
427John
replied to the thread
Is this a 1961 409
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The problem with the VIN you keep referring to though is a 61 VIN, supposedly stamped into an engine that was assembled in Nov 61...
Mar 11, 2024
4
427John
replied to the thread
Looking for any company that ever made a tri-power set up for the 348-409 engines besides GM's one and only cast iron piece.
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Pontiac made an aluminum tripower intake for their389SD program, can't remember if it was for 59 or 60, but they are few and far...
Mar 9, 2024
4
427John
replied to the thread
Best Rear End for 409
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If it were me and I was going with the 3.55 gear I would stick with the stock converter, I wouldn't bother with a looser converter for...
Feb 27, 2024
4
427John
replied to the thread
Thinking about a stroker short block, going rate for a block?
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While it is in contradiction of the original engineers reasoning of increasing journal diameter to maintain overlap when increasing...
Feb 22, 2024
4
427John
replied to the thread
Correct length of clutch pedal push rod
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Are you certain you have the right height TO bearing? there are 3 different heights for chevy's, I went thru this in my 64 K20 when I...
Feb 20, 2024
4
427John
replied to the thread
Thinking about a stroker short block, going rate for a block?
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I had a 454 crank that was already .040 under and I considered going to the SBC journal, but it cleaned up at .050 and I was able to...
Feb 20, 2024
4
427John
replied to the thread
Best Rear End for 409
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Assuming some sort of big block with the Turbo 400, I would go something in the mid 3's 3.36 or 3.55 nothing lower, the larger and more...
Feb 18, 2024
4
427John
replied to the thread
Best Rear End for 409
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If Chevy had used them in their big cars, they would have been the rear that the aftermarket flocked to because the numbers of them out...
Feb 14, 2024
4
427John
replied to the thread
Best Rear End for 409
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If you were talking 64 or earlier I would say early Pont/Olds 9.3, but being a 65 a 12 bolt is just as La Hot Rod says, they were way...
Feb 14, 2024
4
427John
replied to the thread
All aluminum 409???
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Were the blocks he did use the aluminum bore or were they meant to use a pressed in iron sleeve? I think they either used a different...
Feb 13, 2024
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