Is a standard BBC connecting rod 6.135 in length? - Chevelle Tech

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post #1 of 4 (permalink) Old Jan 10th, 05, 5:27 PM Thread Starter
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Rich
 
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I need to get my rods ordered and they list many different lengths. I need a stock length rod for my 427 and I want to make darn sure I order the correct ones! Just double checking myself!

TIA
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post #2 of 4 (permalink) Old Jan 10th, 05, 5:34 PM
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Rich

All BBC rods for low deck motors are the same length. 396/402/427/454 ...all use the same rod length. The LS6 / LS7/ L88 rods were beefier and had bigger rod bolts but the lenth is the same.

GM kept that same lenght rod by moving the pins around in the pistons to achieve proper deck clearance in the blocks. All the blocks are the same height also with of course the the exception of the TRUCK and later day 572 engines.

I cannot recall the lenght but any source that quotes a lenght for a BBC rod in a passenger car is giving you the correct length for your 427 rod.
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post #3 of 4 (permalink) Old Jan 10th, 05, 5:36 PM
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Yes, 6.135" is right.
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post #4 of 4 (permalink) Old Jan 10th, 05, 6:14 PM Thread Starter
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Rich
 
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Thanks! 6.135 it is.

The catalog I had listed numerous stroker rods of varying lengths without mentioning which length was stock, etc. so I wanted to make sure 6.135 was the stock length.

I got 'em ordered and they are on their way!
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