nnbs 4.8 turbo?
#1
Would love to hear some people boosting on the new silverados/sieera.. 4.8 or 5.3... times? what would be needed? was it worth it? or just links that would help me.. i heard its a pain to upgrade the fuel system...
thanks in advance
thanks in advance
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#8
So many people have done turbo installs I don't even think they do write ups anymore. You can probably search and find a bunch. Turbo installs on GMT900s are no different than on the 800s.
#9
your only problem is the 4l60 transmissions are junk
it goes 11.54 @ 118 with a th400
we just installed a 4l80e
taking it to the track friday
#10
Does he have a front mount turbo?? Hoe many psi? That has n20 i'n the mix too right...


