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Power FC what is the most common and more liked secondary injector size to run?

Old May 20, 2012 | 09:17 AM
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what is the most common and more liked secondary injector size to run?

Kind of confusing there .. lol


I've been reading a bit on injectors since mine seem to be not enough , My idle is perfect I dont want to touch my primaries . I just want more fuel when I gun it . and I've been thinking of upgrading my injectors since I'm going lean at WOT


I have the stock twins , and apperantly I didn't port the waste gate enough since even at 20% its still over boosting .


so I'd like some injectors to fix this problem , and to have enough fuel for when I replace my stock twins with BNR's next year or so.


My friend suggested to get 2000cc injectors . but I'm honestly a novice tuner I dont know much about how to adjust the injectors

so I'm looking for something people use alot and all the calculations have been done so I can just copy paste .. LOL


local person in Miami , I spoke to about injectors that gave me a good deal was for the bosch EV14's he has them in different sizes .

and If possible what opinions do you guys have?
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Old May 20, 2012 | 10:25 AM
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The stock Denso 550 primaries are good up to around 400 whp as long as your have larger secondaries like 1600/1680/2000.

The ratio of sizes is that the primaries be about 1/3 the size of the total needed.

550 + 1600 = 2150, 550/2150 = 25.6% My setup.
750 + 2000 = 2750, 750/2750 = 27.3%
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Old May 20, 2012 | 01:49 PM
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Originally Posted by cewrx7r1
The stock Denso 550 primaries are good up to around 400 whp as long as your have larger secondaries like 1600/1680/2000.

The ratio of sizes is that the primaries be about 1/3 the size of the total needed.

550 + 1600 = 2150, 550/2150 = 25.6% My setup.
750 + 2000 = 2750, 750/2750 = 27.3%


thank you for your reply , I guess 2200 would be tomuch


so he has 1200's , and 1600 Low imp

are the original sidefeed secondaries low imp?

or if I went with the 1600's I'd need ot add a resistor?

hmm I think I'm going off Power FC specific topic here though lol
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