1988 K5 Large or small radio?

[trukman1]

I was trying to buy a cut-out to repair a hack job, by PO, on my Blazer dash. Seller of a piece asked me if mine came with larger radio or smaller. I had no idea there was a difference but he said his '89 'Burb came with the larger radio. Can anyone help me determine which my '88 came with? Thanks. Gary

 

[Blue Ox]

Earlier trucks were set up for shaft mounted radios. i.e. knobs. Later ones had rectangular openings for 1-1/2 DIN radios.

You must be registered for see images attach

 

[Craig 85]

My 88 Suburban had the shaft style radio.

 

[1987 GMC Jimmy]

Yours came with a 2700 ETR, which is the small one shown in the picture Derek posted. The regular 2700’s last year was ‘87 as far as I know, and the 2000 ETR showed up in the trucks in ‘89. The 2700 ETR and 2700 have the same dimensions.

 

[Crispy]

Its the small radio. Below is the dash bezel comparison:
https://www.gmsquarebody.com/threads/1989-r3500.20599/#post-383738

This site has a bunch of 1988 Burbs in a gallery if you want to see what it looked like originally.
http://www.1990suburban.com/facts/year_comparisons/1988_chev_suburban/index.cfm

Are you gonna weld in new metal and go to an original style radio?