Pro 52?

[KTA]

The 12000 strokes per minute figure was indeed refering to the injection pump plunger. The pump turns half crank speed and therefore it injects for 3 cylinders per crank revolution. The plunger speed is therefore 3 times engine speed. That is 200 strokes per second, or in other words in less than 0.005 of a second.

[bgilbert]

For sled pulling I would go with a custom 2.5" x2.9" S400 with a .80 AR housing. I can build those for about or maybe even a little less than what a S300 costs from HTT or II.

Brian is that a bolt up turbine housing?

[DTanklage]

The 12000 strokes per minute figure was indeed refering to the injection pump plunger. The pump turns half crank speed and therefore it injects for 3 cylinders per crank revolution. The plunger speed is therefore 3 times engine speed. That is 200 strokes per second, or in other words in less than 0.005 of a second.

oh, i gotcha...

built a lot of single cyl motors, some twins, lots of 4 & 8 cyl motors, but never a 6! when i saw the odd number i was wondering what you were talkin about. yea, i see your point - that thing is hummin pretty good! a psycho fuel system with some crazy pressures may open up a whole new window of performance then, no?

[KTA]

For sled pulling I would go with a custom 2.5" x2.9" S400 with a .80 AR housing. I can build those for about or maybe even a little less than what a S300 costs from HTT or II.

Brian is that a bolt up turbine housing?

Bill With a big foot ATS manifold it is otherwise you need a t-3 to t-4 adapter like what the Pro52 uses. The only other way to do it is to put it in the S300 .80 hsg, but that is quite a bit more work and is kind of restrictive just to get it to direct bolt. I think the big foot ATS is the way to go, it has bigger ports too for better flow.

[DTanklage]

that manifold looks nice

[ford69557ci]

yeah if i ever get enough fuel to run some really crazy twins i wouldnt mind havin one. any seen the price?

[DTanklage]

its about the same as the regular one

1 or 2 hundy more with the big flange