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Post by BR[] on Sept 8, 2014 18:43:08 GMT -5
Ok then, Who Gets The Prize?
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Post by Deleted on Sept 8, 2014 19:15:56 GMT -5
Ok then, Who Gets The Prize?
I`ll take it I never win nothin, and I`m oblivious to most everything |
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Post by BR[] on Sept 8, 2014 19:59:59 GMT -5
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Post by bubbasz1 on Sept 8, 2014 20:01:28 GMT -5
I've been a cave man for years! A old timer told me once when I was a kid, "torque wrenches are for guys who don't know there own strength" I'm with you!! Ramz has used my torque than I have. OH!!! That leaves open a big door now hasn't it. |
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Post by Deleted on Sept 8, 2014 20:53:40 GMT -5
That was quick !! Failed to mention, I`m paranoid also  |
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Post by Deleted on Sept 8, 2014 20:57:49 GMT -5
I've been a cave man for years! A old timer told me once when I was a kid, "torque wrenches are for guys who don't know there own strength" I'm with you!! Ramz has used my torque than I have. OH!!! That leaves open a big door now hasn't it. I doubt very much that it`s a BIG door, but it does leave one to wonder. You two live in close proximity |
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Post by bubbasz1 on Sept 9, 2014 17:51:18 GMT -5
We sure do, Ramzi goes by the book, I just go, which isn't that often, more like stop would better describe it.
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Post by BR[] on Sept 9, 2014 20:43:56 GMT -5
We sure do, Ramzi goes by the book, I just go, which isn't that often, more like stop would better describe it.
but we love him  |
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Post by warhead on Sept 22, 2014 17:39:44 GMT -5
I think you guys know the answer to this one.
GO BY THE BOLT.
Early cranks going into 65 had 5/8ths bolt, including some Big Block crankshafts.
Those were torqued to 50 lb/ft.
Later cranks had the big bolt and 160# is not enough. Had one loosen up on a 350, and what a mess. Screwed the threads on the tip of the crank, and the bottom threads.
Torque to 200 lbs +, with blue Loctite.
But all yall already knows about the crank bolts.
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Post by Deleted on Sept 23, 2014 14:01:30 GMT -5
I think you guys know the answer to this one. GO BY THE BOLT. Early cranks going into 65 had 5/8ths bolt, including some Big Block crankshafts. Those were torqued to 50 lb/ft. Later cranks had the big bolt and 160# is not enough. Had one loosen up on a 350, and what a mess. Screwed the threads on the tip of the crank, and the bottom threads. Torque to 200 lbs +, with blue Loctite. But all yall already knows about the crank bolts. That`s interesting. I`ve had a few 64`s several 65`s both small and big blocks. Never had the small bolt variety. Who`da funk it ? |
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Post by Deleted on Sept 23, 2014 15:32:08 GMT -5
I think you guys know the answer to this one. GO BY THE BOLT. Early cranks going into 65 had 5/8ths bolt, including some Big Block crankshafts. Those were torqued to 50 lb/ft. Later cranks had the big bolt and 160# is not enough. Had one loosen up on a 350, and what a mess. Screwed the threads on the tip of the crank, and the bottom threads. Torque to 200 lbs +, with blue Loctite. But all yall already knows about the crank bolts. That`s interesting. I`ve had a few 64`s several 65`s both small and big blocks. Never had the small bolt variety. Who`da funk it ? Ya know, thinking back to the 64`s I parted out, one was a v-6, the other that I recall had no engine or trans. I know I had another 64 but  ? Might have been a big car? |
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Post by Deleted on Oct 27, 2014 14:53:10 GMT -5
Just came across this thread. There's a very interesting chart at www.repairengineering.com/bolt-torque-chart.html I notice that for a 5/8" U.N F. bolt there can be a large variance in the recommended torque, I thought "dry v/s lubricated" was particularly interesting (127'# / 170'#)(grade 5) So if it's a grade 5 bolt then your approaching or exceeding the failure limit at 150'#. I'm thinking the crank might be the weak link, if it was cast for sure, but with it's being forged, maybe not. IMO,I wouldn't impact the bolt on, I'd check the grade, count the threads, and go by the manufacturing industry charts, and also use lock tight! I also think that the damper to crank fit is the most important thing effecting a catastrophic failure at the front of the crank, it should be a snug, light press fit, IMO. |
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![BR[] Avatar](http://aliquippaoutlaws.homestead.com/Bro442_ANIM_150.gif)
? Might have been a big car?