will 550cc injectors support 300 whp???
11-09-2009, 09:19 AM
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Re: will 550cc injectors support 300 whp???
RC Engineering has a fuel injector calculator to help you choose the right size injectors for yor set up. check out their website, its on there..
11-09-2009, 10:45 AM
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Re: will 550cc injectors support 300 whp???
I checked the RC wibesite, using there calculator it recommends 697cc injectors. that seems a bit big, thats why I thought I would ask and see if anybody has so real home on exp.
11-09-2009, 11:04 AM
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Re: will 550cc injectors support 300 whp???
I agree with above, 550's should be plenty good for 300whp and then some.
A long time back on my old setup with a bone stock sohc motor I was making 335whp on 450cc dsms maxed out.
A long time back on my old setup with a bone stock sohc motor I was making 335whp on 450cc dsms maxed out.
Last edited by twkdCD595; 11-09-2009 at 11:13 AM.
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11-09-2009, 01:24 PM
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Re: will 550cc injectors support 300 whp???
So will I have enough room if I went 450's? keep in mind this will be on a stock motor GSR, 8-10 PSI from a T3/T4OB 50 trim.
11-09-2009, 03:45 PM
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Re: will 550cc injectors support 300 whp???
450 will be good if your running only 8-10 psi, you can pick up some dsm 450 for like 50 bucks on craiglist.
11-09-2009, 06:22 PM
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11-09-2009, 06:28 PM
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11-09-2009, 10:46 PM
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Re: will 550cc injectors support 300 whp???
Psi has nothing to do with it homie, 450's will support 300 WHEEL HORSEPOWER on premium pump gas. The size of his turbo (which was not stated) will determine how much psi it will take to reach 300 whp on his particular setup.
OP, either injector (450 OR 550) will do you fine. For future preference on these 4 cyl. motors, follow this formula (Courtesy of Shister66):
****cc (inj. size) x 4 (cyl.) = ****cc
****cc / 6 (cc per whp) = **** whp
This is calculated at around a 75% to 85% duty cycle.
OP, either injector (450 OR 550) will do you fine. For future preference on these 4 cyl. motors, follow this formula (Courtesy of Shister66):
****cc (inj. size) x 4 (cyl.) = ****cc
****cc / 6 (cc per whp) = **** whp
This is calculated at around a 75% to 85% duty cycle.
Last edited by Silva Bullit DC4; 11-10-2009 at 08:43 AM.
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