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Canadian Poncho Homepage -> Canadian Poncho -> The Lounge -> Does anyone have a 396 or 427 dismantled right now?
Post Info TOPIC: Does anyone have a 396 or 427 dismantled right now?
4SPEED427


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RE: Does anyone have a 396 or 427 dismantled right now?
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ashmore wrote:

The crank is a 6223 with 3/4 counterweights. The pistons are 68 396 std bore.

 

425A2AD9-C229-4023-A0F7-CD6AB9F71C5E.jpeg

 

 Interesting,. I weighed my 427 piston/rod/rings assembly...

 

427

Piston/rings/pin assembly   930 grams

Piston/rings       assembly   776 grams

Piston only                         711 grams

Connecting rod only            835 grams

TOTAL WEIGHT OF THE PISTON ASSEMBLY WITH THE ROD IS 1765 GRAMS



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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
65 SD L79


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3 cranks out are 6223 . thought I had an NOS 7115 BUT CANT PUT MY HANDS on it right now. I left a message for a good buddy that should have crank



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4SPEED427


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I'd love to know the weights on each of those as well as the counterweight measurement Kevin, especially the 7115. Thanks!

I'm convinced there will be different weight 6223 cranks due to counterweight widths.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
65 SD L79


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so the bathroom scale said 53.6 for the first crank so thats not right

 

 



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4SPEED427


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Wow, that sounds WAY off! Quick, get on the scale, I bet you've lost weight!

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
68 Grande


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OK, here we go. 6223 forged crank from a 366 tall block balancing on a small piece of wood on our glass top bathroom scale is 70.2 lbs. I think its pretty accurate.

2nd counter weight width .778 and third counter weight is .756 wide.  The timing sprocket is still on the crank so that sprocket weight would need to be deducted.



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-- Edited by 68 Grande on Sunday 31st of January 2021 03:21:16 PM

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