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9
Lifted Yukon 5.3 Swap Exhaust?

Hey, Ive gone through most of the threads and havent really seen anything on this, sorry if it's already out there I spend hours on different forums looking. So I have a 1997 yukon 4x4 originally 5.7L. It has a 4" rough country lift and Im swapping a 5.3L LM7 into it. I had to modify the stock...
- 97Yukon4dr
- Thread
- Dec 26, 2021
- Replies: 0
- Forum: Exhaust
9
5.3L LM7 Swap into OBS

Hey, I'm going to be swapping the 5.7 in my '97 Yukon (4L60E and 4x4) with a 2002 5.3L LS over the winter. I know there's a lot of mixed info out there, and I was wondering what others' experiences were, things they wish they had done instead, and overall just recommendations and quality parts I...
- 97Yukon4dr
- Thread
- Nov 1, 2021
- Replies: 52
- Forum: Street Build Threads
9
Runs Rough Under Load

Hello, I own a 1997 GMC Yukon 5.7L v8 4x4 with the 4L60e trans. I've been stumped over an issue for a while now and I'm trying to find a real place to start. If I'm going up a hill and continue at or exceed 1500rpm going 70-90kmph the truck will run extremely rough, (feels like a terrible...
- 97Yukon4dr
- Thread
- Jul 4, 2021
- Replies: 42
- Forum: Transmissions