I'm sure this has been covered but I can't seem to turn up anything in a search.
Just got a 1995 GMC suburban 2500 with the 454 a while back. Just got it cleaned up and started driving it some the other day. Nice smooth running truck. But the reports are true... I am somewhat underwhelmed by the power. It's certainly quicker than a 350 but it's not on par with some of the Vortec 454s I've ridden in at all.
Seems ms there's not much in the way of mods aside from a rebuild with cam/higher compression/etc.
just wondered if the gurus here had any tips.
Thanks guys
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