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Jet size FWHP to RWHP conversion

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Old 07-16-2008, 05:38 PM
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Default Jet size FWHP to RWHP conversion

I have a Dynotune Nitrous kit that came with these jet sizes..

50 BHP=.032
75 BHP=.042
100 BHP=.048

But my HSW Interface is adjustable by RWHP...so approx what would my jet sizes equal to in rwhp?
Old 07-16-2008, 05:46 PM
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mabye around 14% loss
50 is 43
75 is 63
100 is 86
Old 07-16-2008, 05:49 PM
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you could go by typical drivetrain loss or there are a couple of nitrous jet calculators out there on the nitrous websites. i thought dynotune had one on there site? maybe it was anouther. i know cold fusion nitrous had one, and a couple of others. its been awhile since i looked at them but i know at least one of them showed flywheel and rear wheel hp.
Old 07-17-2008, 07:42 AM
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nitrous is rated at RWHP not FlywheelHP. A 100 shot is to be a 100hp at the tires. now other thing play into this, such as cams, tune, timing, bottle pressure, ect...
say you buy a NX wet/dry kit at is adjustable from 50 to 125, that HP gain is at the tires.
Old 07-17-2008, 08:01 AM
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Originally Posted by 1969mach1
nitrous is rated at RWHP not FlywheelHP. A 100 shot is to be a 100hp at the tires. now other thing play into this, such as cams, tune, timing, bottle pressure, ect...
say you buy a NX wet/dry kit at is adjustable from 50 to 125, that HP gain is at the tires.
no no no my friend not all nitrous kits are rated at rwhp.
Old 07-17-2008, 08:40 AM
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Originally Posted by gold98Z28
no no no my friend not all nitrous kits are rated at rwhp.
Correct, most are rated rwhp, but some are not.
Old 07-17-2008, 10:24 AM
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Matt,

Send me a list of all the size shots you're looking to run and I'll send you a list of what to set the Interface to. Thanks!

Nick
Old 07-17-2008, 02:52 PM
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Originally Posted by Nick@HSW
Matt,

Send me a list of all the size shots you're looking to run and I'll send you a list of what to set the Interface to. Thanks!

Nick
DONE!

Thanks
Old 07-17-2008, 10:23 PM
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Driveline loss isnt figured on a percentage and at lower hp levels, fwhp and rwhp dont vary much. I.e. 50fwhp is usually also 50whp. Why would a driveline become more inefficient at higher hp levels?
Old 07-17-2008, 11:00 PM
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Originally Posted by capn smokey
Driveline loss isnt figured on a percentage and at lower hp levels, fwhp and rwhp dont vary much. I.e. 50fwhp is usually also 50whp. Why would a driveline become more inefficient at higher hp levels?
lol



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