Suburban vs Tahoe fitment info.

[1badc4]

Both of those trucks would have a 4L60E. It's possible that a lower mileage unit would be the right one to run, but the duty each one saw would also be a factor; as in a 150k trans of crusing duty would probably be better than a 100k trans that performed regular towing duty.

G80 is the code for the Eaton gov-lock traction aiding rear end. Those things are hit & miss. Taller gears are better in all cases in my opinion, and the highest gears that make sense in a longroof to me are 3.73's (RPO GT4). I have a GMT800 suburban with 3.42's and I wouldn't want to tow with it for very long. I also have a GMT800 suburban with 3.73's, but it's wearing 35" mudders so it is begging for a regear to something more ideal (4.30 or 4.56).

both trucks have GT4/G80 as for the burb I got with 144 now has 183, Ihave done a bunch of towing with my car trailer through mountains. my buddy had it on his lift letting me do u joints and said trans was definitely out before. probably rebuilt. it shifts perfect. I think I will probably toss burb trans in garage for Just in case. thanks for input.

 

[mountie]

( Breaking thread rule)......

How "Bad" is your C4 ??

 

[SUBURBIAN]

( Breaking thread rule)......

How "Bad" is your C4 ??

That's what I want to know. LT1? LS?

 

[1badc4]

( Breaking thread rule)......

How "Bad" is your C4 ??

 

[1badc4]

That's what I want to know. LT1? LS?

Cam only LT1

 

[1badc4]

 

[Tonyrodz]

Cam only LT1

Ahhh, another Jersey boy. North Jersey?

 

[1badc4]

Ahhh, another Jersey boy. North Jersey?

Deep South Jersey

View attachment 225595

 

[Tonyrodz]

Deep South Jersey

Really? Figured North. I'm Central.

 

[1badc4]

Really? Figured North. I'm Central.

due east across the river from Philly