440 six pack stock rods crank gram weight ?
#3198571
12/19/23 12:13 PM
12/19/23 12:13 PM
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B1Frank
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Does anyone know the bob weight of a 1973-1974 six pack rods 440 crank ? i have heard it is around 2700-2900 grams in stock form, i know this question has been asked before but i can't remember the ad. thanks to all,,,,,,,,, only check one time a day.
Last edited by B1Frank; 12/19/23 01:37 PM.
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Re: 440 six pack stock rods crank gram weight ?
[Re: AndyF]
#3198846
12/20/23 11:53 AM
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B1Frank
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I was thinking it was in the heavy range, i have a NEW eagle crank , but it is #2550 grams, i can use it but i don't want to pay $1,000 to 1,250 for pistons ..........that is too much for a street car......lol.
Last edited by B1Frank; 12/20/23 11:54 AM.
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Re: 440 six pack stock rods crank gram weight ?
[Re: B1MAXX]
#3199084
12/21/23 11:50 AM
12/21/23 11:50 AM
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B1Frank
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Thank you for looking, diamonds are $1,350 now , looking for a dome piston running a #88cc head, i can get a speed-pro dome but looking for a lighter set, where i live...... it is tuff to get anything done, machine work is the main thing,...................about ready to go to a stock steel crank. some pistons are 9.7 comp that does not do a thing for me. lol
Last edited by B1Frank; 12/21/23 12:03 PM.
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Re: 440 six pack stock rods crank gram weight ?
[Re: B1MAXX]
#3199104
12/21/23 01:06 PM
12/21/23 01:06 PM
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B1Frank
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Icon/srp/wiseco/ diamond /ross ..................... I have checked and #1 are cheap heavy dome speed-pro all are flat tops, with no comp # numbers with a #88cc head , but the pricey dome pistons, my luck ,...... if anyone has a solution ( piston wise) please pm me,............
Last edited by B1Frank; 12/21/23 01:44 PM.
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Re: 440 six pack stock rods crank gram weight ?
[Re: B1Frank]
#3199144
12/21/23 02:36 PM
12/21/23 02:36 PM
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JohnRR
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Icon/srp/wiseco/ diamond /ross ..................... I have checked and #1 are cheap heavy dome speed-pro all are flat tops, with no comp # numbers with a #88cc head , but the pricey dome pistons, my luck ,...... if anyone has a solution ( piston wise) please pm me,............ What about getting a lighter set of of H beam rods , the stock 6pak rods were a bad idea , hemi sized rods with little LY rod bolts. Also cut the heads down to a smaller chamber ?
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Re: 440 six pack stock rods crank gram weight ?
[Re: JohnRR]
#3199385
12/22/23 11:57 AM
12/22/23 11:57 AM
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B1Frank
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I cut #100 thousand off the # 452 heads on another motor , that many be a route for me, i checked on rods Thursday and they are 809 grams for a steel one, don't know how much six-pack rods weight ,.......... since you can't get what you want you have too compromise , sounds like life !! lol
Last edited by B1Frank; 12/22/23 11:57 AM.
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Re: 440 six pack stock rods crank gram weight ?
[Re: B1MAXX]
#3200064
12/26/23 11:41 AM
12/26/23 11:41 AM
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JohnRR
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I'm not knocking them. I just didn't think they would work with 2550.
You would need a piston/pin in the 790gr area. The stock piston/pin is somewhere in the 1000gr area as I can remember. I don't have a piston to weigh though. You are correct , trw replacement pistons are 1000-1100 grams , piston/pin
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Re: 440 six pack stock rods crank gram weight ?
[Re: cudaman1969]
#3200254
12/27/23 12:58 PM
12/27/23 12:58 PM
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B1Frank
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Do you guys think that if i buy a set of LIGHT Wiseco dome pistons /new crank bob weight (# 2550) / LY 440 rod in a +30 over block will it work in a street car with no balancing issues ? thanks for the input !!
Last edited by B1Frank; 12/27/23 01:05 PM.
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Re: 440 six pack stock rods crank gram weight ?
[Re: B1MAXX]
#3200494
12/28/23 01:52 PM
12/28/23 01:52 PM
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B1Frank
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Thanks I see your point, i got a card with the eagle crank with the weight, ???? you are right hoo know's ...................a bunch of trouble. with parts ! ............LOL
Last edited by B1Frank; 12/28/23 02:00 PM.
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