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4L60E shift override? I’m confused…’94 Z71

Hello, I caved to peer pressure this week after work and did a burnout in my 1994 Z71. My truck is: 5.7 TBI, auto trans, 4x4, extra cab, step side. Powertrain is original, 221K miles. I pulled the shift lever down into 1st gear, but when it hit 4K rpm it shifted on its own. This surprised me...
- Southwest ORV
- Thread
- Dec 19, 2021
- Replies: 24
- Forum: Transmissions
Heat riser - necessary? 1994 TBI 350

Hello friends, I have always wanted to know, is the heat riser really necessary on these TBI motors? For example, you see lots of folks flip the lids on their air cleaner housings, which would completely negate the heat riser. I even drove my '95 TBI 305 GMC for a year with the lid flipped and...
- Southwest ORV
- Thread
- Apr 30, 2021
- Replies: 38
- Forum: Engine Performance + Maintenance
88-91 vs 92-94 DASH DIFFERENCES - do they matter?

Hello friends, The dash in my 1994 K1500 Z71 must be replaced. It spent 27 years in Mesa AZ and the top is broken up so bad it is no longer attached up top, so the whole dash bounces unsupported when you drive. I see in LMC truck that they sell the new dash for the 88-91, but not for the 92-94...
- Southwest ORV
- Thread
- Apr 27, 2021
- dash
- Replies: 15
- Forum: OEM and Custom Interiors
It's finally mine - 1994 Chevrolet 1500 Z71. Purchased from original owner.

Hello friends, Today is a fun day for me. I purchased my uncle Paul's 1994 Chevy 1500 Z71. He is the original owner, and this truck is an original Mesa, AZ truck. I have had my eye on this truck since the day he bought it. He purchased it new in August of 1994, and I remember that day clearly...
- Southwest ORV
- Thread
- Apr 25, 2021
- Replies: 7
- Forum: Introduction