I hate my injectorzZZ1!!~~!

Information on the naturally-aspirated KA24E and KA24DE engines.
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bbandit
Posts: 183
Joined: Sun Jun 15, 2003 5:01 pm

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yea i swapped #1 and #2 injector last week because they wont spray... they all worked fine until today...today, #3 injector gave up also.. and im pretty sure #4 injector will give up soon...

What should I do?

Get a whole set of newer 370cc injectors..

or go with 440cc/550cc + SAFC?

right now im running JWT ECU programmed for 370cc


Structure240sx
Posts: 5615
Joined: Sun Oct 06, 2002 5:04 pm

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some top feed 50#, safc, wideband

ok maybe a little pricey but might actually equal out to getting the sidefeeds

Structure240sx
Posts: 5615
Joined: Sun Oct 06, 2002 5:04 pm

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btw if i can find some cheap 50#, ill sell my 480cc sr injectors

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bbandit
Posts: 183
Joined: Sun Jun 15, 2003 5:01 pm

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okay so you can tune 370cc+cobra JWT ecu with SAFC then

Structure240sx
Posts: 5615
Joined: Sun Oct 06, 2002 5:04 pm

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yea why not. alot of guys tune the jwt with a safc or other piggyback. tunning say 480's on that would be like tunning 370's on a stock ecu. find me some 50# so you can buy my 480's

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bbandit
Posts: 183
Joined: Sun Jun 15, 2003 5:01 pm

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whats your budget for this 50# injectors? top feed right?

Structure240sx
Posts: 5615
Joined: Sun Oct 06, 2002 5:04 pm

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looking to pick up a set for like $150 shipped

Structure240sx
Posts: 5615
Joined: Sun Oct 06, 2002 5:04 pm

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yea top feed high-impedence

Frozen240
Posts: 218
Joined: Sun Dec 14, 2003 12:33 pm
Car: 92 240SX KADET

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Can the SAFC tune the 480cc on a stock ECU? I know it has a +/- 50% range of adjustment but does this mean I can only run injectors 50% larger than stock. 270cc x 1.5= 405cc.

Don't mean to hijack your thread.

Pete

Structure240sx
Posts: 5615
Joined: Sun Oct 06, 2002 5:04 pm

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ok people get this confused all the time with the safc and i guess emanage too. it can trim 50%, ooook. so you put in 480cc injectors and set it on -50%. 480cc x 50% = 240cc. so essentially it could tune 540cc injectors perfectly on a stock ka ecu. the ecu will do some minor adjustments to get the idle right so im sure 550's would work ( 550 x 50% = 275). so its 50% of whatever size injector you put in it can take away to get it around the stock 270cc size.

im using sr s15 480cc sidefeed injectors at -44% to get the idle right. im also boosting 14psi on this which should be maxing them out.

Frozen240
Posts: 218
Joined: Sun Dec 14, 2003 12:33 pm
Car: 92 240SX KADET

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Thanks for clearing that up, it only seemed to reason that the SAFC should have more adjustablility than what I thought.

If your selling your 480's, I might be interested.


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