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Old 04-27-2003, 07:53 PM   #1
OPAKRACING
 
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Throttle body size...

For a turbo b18c1, whwat size throttle body should i get?
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Old 04-28-2003, 12:26 PM   #2
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70mm would be best...
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Old 04-28-2003, 08:52 PM   #3
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Quote:
Originally posted by Jazn671
70mm would be best...


well, if its too big, then i'll lose back pressure and that means i lose low end torque....so are you sure a 70mm would be best for a turbo b18c1?
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Old 04-30-2003, 09:05 PM   #4
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Quote:
Originally posted by OPAKRACING
well, if its too big, then i'll lose back pressure and that means i lose low end torque....so are you sure a 70mm would be best for a turbo b18c1?


You'll lose velocity not backpressure, but with a small fast spooling turbo it wouldnt matter too much anyway. I wouldnt even bother switching it out.
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Old 05-03-2003, 09:03 AM   #5
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too big? i'd say it's too big for factory compression for a naturally aspirated honda but for a turbocharged honda, you'd want a 70mm throttle body streetable... you'd see up to 85 mm on 25+psi drag hondas...
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Old 05-03-2003, 10:51 AM   #6
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Quote:
Originally posted by Jazn671
too big? i'd say it's too big for factory compression for a naturally aspirated honda but for a turbocharged honda, you'd want a 70mm throttle body streetable... you'd see up to 85 mm on 25+psi drag hondas...


i see...thanks.
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Old 05-04-2003, 09:23 PM   #7
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I make quite a bit on a 65mm and it revs to 10.5K. If you want more Edelbrock will release a 70 and 75mm with an adapter in June
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