Before you start tossing parts back onto your LS engine block to begin your rebuild, it’s absolutely vital that you’ve got all of the proper LS coolant passage block-off plugs re-installed—because if you sent your engine off to the machine shop, in all likelihood they removed them to finish the block and didn’t put them back in.
More importantly, you’ve got to make sure the infamous LS “barbell” oil galley plug is back in too.
That’s why the engine building experts at All Chevy Performance made this quick video. In just about two minutes, you’ll see exactly where all those coolant passage plugs fit, and you”ll get a close look at how to install that barbell plug as well.
You might also appreciate this article: Summit Racing Has an LS Oil Galley Barbell Plug That’s Better Than Your Original One
The video is packed with some handy plug install tips and techniques to ensure they whole job goes smoothly—give it a watch below.
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