PDA

View Full Version : 480cc big enough for 300whp???


toledo240
03-05-2007, 09:45 PM
i got a great deal on deatschwerks injectors
my goal is 300-320 to the wheels this summer are these safe enough to get there??:x:
combined with z32 mafs and a/f controller or hopefully tuned ecu with my big28... of course

'90RPS13
03-05-2007, 09:48 PM
Been covered several times. SEARCH.......




Yes, it will be fine.

lazierhobo
03-05-2007, 09:56 PM
yes more than large enough

sunnys14
03-06-2007, 03:19 AM
heck yeah boyyy

orion::S14
03-06-2007, 07:31 AM
Damn, just do the math:

480/10.5 = 45.7lbs/hr

You can run sidefeed's to ~100% duty cycle...and .55 BSFC works pretty well for determining RWHP limits.

(45.7 x 4 x 1.00) / .55 = ~330rwhp as a MAX.

- Brian

toledo240
03-06-2007, 09:17 AM
thanks, but how safe am i gonna be runing a higher duty cycle than 80%

DeatschWerks
03-15-2007, 02:02 PM
Damn, just do the math:

480/10.5 = 45.7lbs/hr

You can run sidefeed's to ~100% duty cycle...and .55 BSFC works pretty well for determining RWHP limits.

(45.7 x 4 x 1.00) / .55 = ~330rwhp as a MAX.

- Brian

It is not a good idea to run sidefeed injectors at 100% duty cycle. Most sidefeeds go static at about 92-95% IDC.

The BSFC based calculations are pretty conservative - you definatley can make over 300whp on our 480's but 350whp will require 550's.