LSX 454 swap
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Instructor
Joined: Mar 2008
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From: NY
Just wanted to know more about the actual physical swap. I read in the GM performance parts catalog that the LSX 454 will accept all the factory accessories, and that it's the std. deck block, so it should look like it's the stock engine. Basically, whose done one of these swaps that could share some words of wisdom. Another thing, can a factory C6 manual transaxle handle the power of this engine?
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Joined: Jan 2014
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Just wanted to know more about the actual physical swap. I read in the GM performance parts catalog that the LSX 454 will accept all the factory accessories, and that it's the std. deck block, so it should look like it's the stock engine. Basically, whose done one of these swaps that could share some words of wisdom. Another thing, can a factory C6 manual transaxle handle the power of this engine?
Thread Starter
Instructor
Joined: Mar 2008
Posts: 226
Likes: 6
From: NY
The LSX 454 uses an LS7 intake. It uses an 8 bolt flywheel. Get one for a CTSV. I used a Vintage Air front Runner accessory drive and I had to mill a 1 1/2 inch recess in the back side driver side p/s alt. bracket to clear a freeze plug that protrudes further than on the aluminum block. Other than those hiccups everything bolted together just like any other LS. It did lower the front of my car about 3/4 of an inch because of the added weight of the iron block.
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Joined: Jan 2014
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I used it in a 57 chevy 150 sedan. I had the stock accessory drive on the LS2 but I switched to Vintage Air Accessory drive when I installed the Lsx 454. My thought would be that it will fit. I can't imagine that chevy didn't take that into account when they designed the iron block.
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LSX 454 in C6
The LSX 454 uses an LS7 intake. It uses an 8 bolt flywheel. Get one for a CTSV. I used a Vintage Air front Runner accessory drive and I had to mill a 1 1/2 inch recess in the back side driver side p/s alt. bracket to clear a freeze plug that protrudes further than on the aluminum block. Other than those hiccups everything bolted together just like any other LS. It did lower the front of my car about 3/4 of an inch because of the added weight of the iron block.
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