Need Help with LS Truck Accessory Drive Setup!

Seeking Advice on LS Truck Accessory Drives

I’m diving into an LS engine swap for my truck, and there’s so much info out there about the accessory drives. I’m feeling a bit overwhelmed and could use some guidance. Here’s where I’m at:

What I Know

I’ve read that the accessory drives can come from a variety of vehicles like Corvettes, Camaros, and other trucks, each offering their own setup and compatibility issues.

Questions I Have

  • Differences Between Drives: What are the main differences between the Corvette and truck accessory drives? Are there any performance advantages or fitment issues that I should be aware of?
  • Fitment Issues: I’m particularly concerned about fitment in my specific truck model. What should I keep in mind when selecting an accessory drive?
  • Purchasing Options: If anyone knows of reliable sources for LS accessory brackets and kits, I would really appreciate your recommendations.
  • Modifications: Are there any common modifications that I might need to make during the installation process?

Additional Notes

If anyone has done this swap or has experience with LS accessory drives, your insights would be invaluable! Any tips, tricks, or resources would really help me feel more confident about tackling this project. Thanks in advance!


I’m glad you brought this up! LS engine accessory drives can be quite varied. There are different configurations such as the truck and car configurations, which can affect fitment. What specific LS engine are you working with?

I’m using a 5.3L LS, and I want to make sure I have the right setup for power steering and alternator. Any recommendations?

For your 5.3L LS, you can consider the factory truck accessories or go for aftermarket options like the Holley or March Performance kits. They have great fitment and performance enhancements.

I’ve heard great things about March Performance setups. Are they easy to install?

Yes, March Performance is user-friendly! They usually provide good instructions. Just make sure to verify the spacing on your accessories. It can get tight!

I’ve been looking into the differences in sizes too. The smaller pulleys for compact designs can look nicer but may limit cooling options. What’s your priority?

Mainly power and reliability! But I also don’t want to overheat during long drives.

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If you’re worried about overheating, consider keeping the larger factory pulley options for the water pump. It can make a difference, especially in hot weather.

Also, just a heads up, some configurations might need special brackets for the alternator. Anyone else having issues with that?

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Good point! I was warned about that too. How do I know if I need those special brackets?

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Typically, the accessory drive kit will indicate what’s needed. You can also check forums or your specific engine model to see if anyone else has had to modify their setup.

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So many factors to consider! This can get a little overwhelming but exciting. As they say, more power equals more speed, right?

That is true, but sometimes it feels like more headaches too, haha! How do you keep it all organized during the build?

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Label everything! I also suggest creating a checklist of parts needed. Reflecting on previous builds helps – trust me, it pays off!

I recently installed an LS accessory drive in my truck and ran into issues with alignment. Ensuring everything was straight made a huge difference. Anyone else have similar experiences?

I totally agree! I had a tough time with the tensioner. It kept slipping until I tightened everything properly. What setup are you using?

I had to go through three different brackets before I found one that worked! Did you guys face any size or compatibility issues?

For me, the biggest challenge was figuring out which belt size to use. There are so many options out there. Can anyone provide a definitive guide?

I wish there was one! I ended up measuring a ton of times. A good tip is to use adjustable pulleys if possible.

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