2004 Fummins
#11
#12
The super is a 60/65 I believe, the killer is a 61.5/65 or 68 can't remember, and a special is a 64/71. My buddy has a special, loves it for power but you will need bigger injectors and forsure proper pattern and pop pressure to run it efficiently and would still spool kinda slow. Perfect with a cam and can't tow very well without one. The super is the best of the three for fast spooling twins. And the killer is good aswell for a little slower spooling setup. Hopefully that helps.
#13
#14
The killer is a 61.5/64 and would be fine for towing. And the special is to big for towing I think but not sluggish or that smokey at all. My buddies with a 64/71, htt manifold, 50 sticks, 180 pump with a custom 100 plate, afc mods, and my tuning and really clean and only a bit slower then my he351. That's only with 5x11 injectors.
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