there are 3 options 160 which was on the 94-95 auto, the 180 which was on the 96-98 auto and the 215 which were on the 5 speeds, ideally it'd be best to get the 215, more power right off the pump, but second bet which is just as good is the 180, the 160 is ok but tend to have sticky valves and plungers, etc.
my ideal pump (what i just built) 215 maxed barrels balanced and flowed(simple for injection pump shop cost me $300)- hint: search ur local salvage yards for the pump and find a local injection pump shop u trust. u can have a really nice pump for under 1k if u do ur homework
well if your looking for big numbers, 215 pumps come with retard plungers which actually defuel once pushed to big limits, your best home built street driven pump would be a 180 pump if your looking to get the max on a budget, just do a search on retard plungers, just my opinion.
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