RC 550 saturated
310cc 200~220whp
370cc 220~280whp
440cc 280~330whp
550cc 330whp~380whp
660cc 380whp~425whp
720cc 425whp~475whp
880cc 475whp~525whp
980cc 525whp~600whp
Credit where it is due: You should thank Jeff Evans for those numbers.
Although I made 375@8000rpm on 550's...they were at like 8x% duty cycle.
370cc 220~280whp
440cc 280~330whp
550cc 330whp~380whp
660cc 380whp~425whp
720cc 425whp~475whp
880cc 475whp~525whp
980cc 525whp~600whp
Credit where it is due: You should thank Jeff Evans for those numbers.
Although I made 375@8000rpm on 550's...they were at like 8x% duty cycle.
80% is the generally accepted number...and its not that you shouldn't EVER let it go over that. For lack of better ways to put it, that 80% is where they are most effiecient. (Don't take that literally, I just didn't feel like typing it all out)
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i think you would be better off with bigger than 550cc as well. with a built engine you can handle more power, might as well get injectors with room to grow. i think they are the same price anyways.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dpetro1 »</TD></TR><TR><TD CLASS="quote">i think you would be better off with bigger than 550cc as well. with a built engine you can handle more power, might as well get injectors with room to grow. i think they are the same price anyways.
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^^^Exactly. If it's built then just go with 1000's. You can tune them to drive and idle just fine. And that'll leave you plenty of growing room.
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^^^Exactly. If it's built then just go with 1000's. You can tune them to drive and idle just fine. And that'll leave you plenty of growing room.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dpetro1 »</TD></TR><TR><TD CLASS="quote">or 750's if you wanna stay saturated</TD></TR></TABLE>
exactly. They are a little more then 550's but only about 30 dollars more, and that will easily be outwieghed by the 3rd gear pantie rippers.
exactly. They are a little more then 550's but only about 30 dollars more, and that will easily be outwieghed by the 3rd gear pantie rippers.
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Lei Siew Long
Forced Induction
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Aug 7, 2001 01:22 PM




