Twins sizing?

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Twins sizing?

Postby DoWhat? » Sun Jul 19, 2009 8:52 pm

I'm looking to build a set of twins. I want to use my WH1C with the stage III 60mm comp and a 12cm wastegated turbine side over a HT60 with the 23cm exhaust side. Does that sound like a feasable setup? Is there anything to gain by going to the 28cm exhaust side on the HT60?

I jsut need a little guidance... its my first set of twins...
-91 W250 day cab 5 speed
strait pipe, monkey pump, big tires
-96 Ford F-250 PSD
strait pipe, big injectors, tunes
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DoWhat?
fuel screw!!!!
 
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Postby Begle1 » Sun Jul 19, 2009 9:19 pm

You probably want the smaller housing on the second turbo, and might need an external wastegate.
1990 D-250 Regular Cab: Tweaked injection pump, built transmission, a cataclysmic charlie foxtrot of electronics, the most intense street-ran water injection system in the country, and some more unique stuff.
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14mm rotor
 
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Postby JQmile » Mon Jul 20, 2009 4:20 pm

Sounds like one heck of a quick-spooling setup to me! If you're not spinning a ton of rpm (like 4000+) you should be fine.
1989 D250 2wd. Scheid 14mm VE pump and 5x25's, J&H Performance 47RH trans with Suncoast manual valvebody, dual wastegates, 62/65/14 S300, NX Dual Stage nitrous, 487 on fuel, 972 on the jug.
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14mm rotor
 
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