Got a 1983 Suburban C20 Dually Converted with a 454 Carbureted and Turbo400 transmission.
The 454 already has installed longtube headers and need a valve lifter adjustment due to "tapping" noise.
Here's a list which I ask that may it help the 454 gain a few mpg if not alot; Vortec Heads, high...
There's a 1983 Suburban c20 with a Turbo400 transmission , Dually Converted , and with a 454 carb which I want to convert to a diesel 6.5 turbo or to a cummins.
is it alot to do and expensive? also is it worth it.
Or stick with the 454 thats Carbureted amd convert it to fuel injection and...