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Old Aug 20, 2008 | 09:51 AM
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Rod Weights
can someone provide me with the weight of the factory 400 rods? Thanks in advance.
 
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Old Aug 29, 2008 | 02:54 AM
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I always weighed them and made them all weigh the same as the lightes one. If you want them for some other stuff, sorry don't have any available.
 
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Old Aug 29, 2008 | 07:42 AM
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do you remember what the average weight was?
 
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Old Aug 29, 2008 | 12:11 PM
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Maybe tim know this one.
 
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Old Aug 29, 2008 | 12:12 PM
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Dirt racer with what kind of scale did you weight them ?
 
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Old Aug 29, 2008 | 01:20 PM
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The last rods I did was for my 429. Can't remember the weights though. I bought my scale from Jegs. Its a small gram scale. I think it was about $160. I made the pistons, rods and pins match the lightest ones and then had the machine show balance the rest.
 
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Old Aug 29, 2008 | 08:36 PM
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why would you wanna know the weight of them for? if you are balancing the engine you should have something to weight them with....
 
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Old Aug 29, 2008 | 11:01 PM
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In balancing and engine the rod will have 2 weights.

The small and and the big end.

Each weight is used for different reasons.

I can get deeper if you really want, I will check

a balance sheet of a previous balance job when I am at the shop.
 
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Old Aug 30, 2008 | 10:42 AM
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The large end effects rotating balance of the crank, small end is reciprocating weight which isn't as critical. kotzy
 
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Old Aug 30, 2008 | 05:27 PM
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i am curious to know how much the 400 rod weighs in comparison to a BBF or BBC rod that is 6.7 or 6.8 long.
 
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Old Aug 31, 2008 | 02:55 AM
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I would weigh one for you, but don't have one in my shop. I do have 460, 302, 351w, and 350 chevy rods. Sorry.
 
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Old Aug 31, 2008 | 03:05 AM
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Originally Posted by job1bf
i am curious to know how much the 400 rod weighs in comparison to a BBF or BBC rod that is 6.7 or 6.8 long.
well you can't compare factory rods of ANY motor to aftermarket stuff. the 6.7 and 6.8 rods are NOT factory they are aftermarket only. Also there is no such thing as BBF or BBC 6.7 or 6.8 rods (and the stroker BBFs use the rods but have BBC rod bearing and piston pin dimensions so not really distinguishing there either)
So to compare them you would have to know WHICH 6.7 or 6.8 rods you want to compare against Hbeam, billet Ibeam, forged Ibeam, alum on and on (I do have a set of Oliver Billet 6.7" rods sitting here if you really want to know )

and on top of all that why try to compare stock rods of one engine family with aftermarket stuff of a completely different engine family?
 
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Old Aug 31, 2008 | 06:23 AM
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never mind. i was just curious.
 
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