If I read this right, you want to remove the rear panel of glass and
replace it with aluminum. If this is correct. Do it with thick metal
and quickly. If I have been told correctly that piece of glass helps to
keep the GMC in its correct shape. Chuck
replace it with aluminum. If this is correct. Do it with thick metal
and quickly. If I have been told correctly that piece of glass helps to
keep the GMC in its correct shape. Chuck
