rare4k
Jan 7th, 07, 11:46 AM
there is a 880 67 manifold on ebay that has the 3909880 on the out side under that it has the RH2 under that is GMT.The one I have is the same but the GMT is not there mine has only GM and RH1 not 2 the question is what does the T mean?there both non-smog and the casting dates are not that far apart that one is a C and the one I have is a E any one know thanks phil