i have a 98 tahoe 5.7 can i swap it into a 02 avalanche 5.3?

Asked by Oct 19, 2017 at 03:12 PM about the 2002 Chevrolet Avalanche

Question type: Maintenance & Repair

3 Answers

131,845

I'm not going to say you can't, but it will be extremely difficult to do so, and when you finally did get it in and running you will be disappointed with the performance. so if you ruined your 5.3 then either have it rebuilt or find a used one to put in. If you can afford it try a crate engine from the dealer or from Summit racing.

1 people found this helpful.

what about the trans.? will that have to be replaced also? sry im a noob ..but its looking like a crate engine would be my way to go thx..

131,845

Don't think so, it's still. 4L60E. It's the electronics that the real stickler.

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