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connecting rod end weights

Old Jul 16, 2006 | 08:26 PM
  #1  
Casey Butt's Avatar
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From: Troy, MI
Car: 1988 IROC-Z TBI
Engine: L04.3 = 305-310-336
Transmission: TH-700R4
Axle/Gears: 10-bolt, 3.42 posi
connecting rod end weights

Can anyone tell me the big-end or small-end weight of a stock 608g connecting rod?
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Old Jul 16, 2006 | 08:51 PM
  #2  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
They're all different. My engine has some Eagle H-beam rods. When I hurt my engine, I had to buy 2 new rods. The new rods are too heavy on the small end and there isn't enough metal to remove. I had to order 2 more rods with a big and small end weights to what I need. 25g overweight was too much and the excess weight can't be removed from the pistons.

Stock rods will be the same. Big and small end weight in one engine will not be the same as rods from another engine. The only way you're going to know the weights is to weigh the rods.
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