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Re: Did 1986 squarebodys ever come with TBI ?
No.
'86 was carbed.
'87 was the first year for TBI in a square.
The original direction was to introduce it on the GMT400 models but management decided it was too much risk to do an all new truck and an all new powertrain in the same year.
They elected to pull TBI ahead to get some (more limited) field exposure prior to the release of the new truck.
K
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