I know you recently installed Suburban seats. Being that the seat are power did you have the seat track fully forward when you mounted them, that wound give you more movement to the rear. The seats in my 05' Yukon also move up and down, not sure if yours do?

~ Craig
1958 Viking 4400
"The Book of Thor"
Read the story in the DITY
1960 Chevrolet C10
"A Family Heirloom"
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'59 Apache 31, 327 V8 (0.030 over), Muncie M20 4 Speed, GM 10 Bolt Rear... long term project (30 years and counting)

If you don't like driving yourTruck, you won't drive yourTruck..| Living life in the SLOW lane