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Secondaries swaps what to use.

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Old 09-17-16, 09:07 PM
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Secondaries swaps what to use.

I have some xpurt 2000cc injectors (same as injector dynamics. way over kill) I can swap. What size is going to be suitabe or can I run large injectors and just have them run at a real low percentage?

Mods: s5 tii motor swap
3" down pipe, de cat pipe, 2.25" y and big boy rear mufflers.
Greddy style front mount.
About to do t.b mod
Microtech w/4 x ignitor and bosch coils
No emissions
Stock s5 turbo w/ Ported wgs and 12psi aftermarket actuator.
Aem intank pump
Tomei reg
Green bros fuel rails
Aeromotive fuel filter
720cc injectors were for secondaries.
That's about it.
Do I just grab a second set of 720s or jump to 1000cc or 1600cc for future proofing. Or is it all a waste of time as im probably only pushing 250 hp or so if I'm lucky?
Getting it all ready to go for dyno tune soonish.
Old 09-18-16, 10:22 AM
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720 secondaries are more than capable of supporting an S5 stock turbo and will be a hell of a lot easier to tune on the Microtech than 1000, 1600, or 2000.
Old 09-18-16, 01:53 PM
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Originally Posted by Aaron Cake
720 secondaries are more than capable of supporting an S5 stock turbo and will be a hell of a lot easier to tune on the Microtech than 1000, 1600, or 2000.
Thanks all I wanted to know. I'm sure there's probably a calculator somewhere but you need to know what sort of power you're making to guess fuel demands.
Old 09-18-16, 06:22 PM
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2000cc injectors on a rotary would be perfect if you wanted to run e85, but way overkill 500ish horse and below
Old 09-18-16, 07:25 PM
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Originally Posted by lduley
2000cc injectors on a rotary would be perfect if you wanted to run e85, but way overkill 500ish horse and below
Yeah I had them from a fuel system deal I bought when I was going to go bridgey turbo then I had a house and kid so that went out the window...for now
Old 09-20-16, 12:40 AM
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Originally Posted by ben.farnath
Yeah I had them from a fuel system deal I bought when I was going to go bridgey turbo then I had a house and kid so that went out the window...for now
..Kid went out the window?....I hate it when that happens!
Old 09-20-16, 05:46 AM
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Yeah, half my money woes solved, out the window. Just the house to worry about. Haha
Old 09-20-16, 09:37 AM
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Originally Posted by ben.farnath
Thanks all I wanted to know. I'm sure there's probably a calculator somewhere but you need to know what sort of power you're making to guess fuel demands.
2nd Generation Fuel Calculator
It's old, but it should give you a rough idea.
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