Big block Chevy connecting rods?

Tiny
KHALED_454
  • MEMBER
  • 1979 GMC C3500
  • 7.4L
  • V8
  • 2WD
  • MANUAL
  • 400,000 MILES
Dear 2carpros team,

may you please advise me what connecting rods I have to choose if I'm using the same SRP pistons you used in the BBC rebuild you made.

Note: My Engine is also overboard to 0.030.

I appreciate your help guys!
Thursday, April 25th, 2024 AT 2:54 PM

2 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
We used the stock application connecting rods. They were resized and magnafluxed and balanced. Here is the video for clarification:

https://youtu.be/KbRdfZlCfiU?si=v_VDTJ4aOlHvT9UY

Let us know if you need anything else.

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Monday, April 29th, 2024 AT 6:13 PM
Tiny
RYAN L
  • ADMIN
  • 256 POSTS
Hi!

Thank you for watching the series!

Just like Ken said, we used the stock rods due to them being in amazing shape and they are plenty strong for how I wanted to build the engine.

But if you are looking for something that can handle more powered a forged set is the way to go.

https://www.summitracing.com/search/department/engines-components/section/connecting-rods/part-type/connecting-rods/make/chevrolet/engine-size/7-4l-454/engine-family/chevy-big-block-mark-iv/connecting-rod-length-center-to-center-in/6-135-in/connecting-rod-material/forged-4340-steel

Here is an entire list of stock length forged big block Chevy connecting rods. You will need to get them balanced with the new pistons and wrist pins.

Thank you for using 2CarPros!

Best,
Ryan
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Tuesday, April 30th, 2024 AT 10:49 AM

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