GM 7.4L TBI to Vortec Conversion
Has anybody attempted a TBI to Vortec conversion? When I bought my MH in 2004 I was told to buy a '96 or newer to get the Vortec but wasn't told to make sure the chassis was also the same year. I woun...
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Two totally different animals other than some of the short block. The Vortec coincided with the introduction of OBD2 emissions while the TBI was still OBD1. Possible sure, but the dollars spent would be insane. Your TBI can be improved for far less. BenK is probably the best source for info on the early 454s, I would search his posts.
