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Re: K30 Downgrade to Cummins Project
Quote:
Originally Posted by burnin oil
My next sentance said it all. The rotary will run out of umph before making the power of the big block HP wise. Now if the OP isn't trying to match the power output of the 502 and just wants the torque then the rotary pump will function very well for him. Rotarys are great for mild setups but injector selection is limited. The 7100 just has alot more parts available to go nuts with. Torque on a 12v tends to be 1.5-2 times the HP so a good 350 HP setup should yank 14000lbs through the mountains pretty well. I didn't mean to upset anyone about the rotary pumps and was only trying to say it would run shy trying to match the HP of the 502. Obviously the torque would be alot healthier than the gasser. I definatly agree that the static timing of the 7100 is its weakness.
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No one was up set. Just trying to make sure people can have a better idea of what these are capable of. The best set up would be a variable timing P-pump but then the simplicity would be out the window. 
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Ryan
1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread
1972 GMC Sierra Grande Longhorn 4x4
1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed
1972 C10 Suburban Custom Deluxe
1969 Chevy milk truck
1971 Camaro RS 5.3 BTR STG3 Cam Super T10
1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project
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