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Re: What kind of crank is this?
[Re: IMGTX]
#2974023
10/13/21 04:47 PM
10/13/21 04:47 PM
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Joined: Jan 2003
Posts: 25,877 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,877
Rio Linda, CA
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Measure the bearing journals.
The INTERNET, the MISinformation superhighway
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Re: What kind of crank is this?
[Re: gzig5]
#2974031
10/13/21 05:16 PM
10/13/21 05:16 PM
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Joined: Apr 2003
Posts: 12,235 Looking for a way out of Middl...
IMGTX
OP
I Live Here
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OP
I Live Here
Joined: Apr 2003
Posts: 12,235
Looking for a way out of Middl...
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I will measure the journals tomorrow. I know for a fact is isn't a 360 crank but didn't think to measure it. I always thought it was a forged 318 truck crank but never got around to looking too deep at it.
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Re: What kind of crank is this?
[Re: Cab_Burge]
#2974510
10/15/21 01:18 AM
10/15/21 01:18 AM
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Joined: Jan 2005
Posts: 12,419 Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
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273 and 318 used this forged crank as long as they came with a forged crank, 69 273 automatics were cast as were 69+ automatic 318s for a while then even manuals got cast cranks, I am not sure what year the manual 318 went cast. The only significant difference in this and 340 crank is the drilled journal, the 340 had a heavier rod and piston requiring some weight removed somewhere to balance it so a hole drilled in the journal it was. You could run a really light rod/piston to get close enough to balance it normally or better yet, drill the hole AND run light rods pistons AND balance it properly to make it real light and strong.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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