KA24: OEM Injector size - Nissan 240SX Forums
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#1 Old 08-18-2008, 06:39 PM
 
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OEM Injector size

What is the flow rate of the stock red injectors of a ka24de? I know this is a dumb question, and I have seen it asked before, but I couldn't find it again (that's why i'm asking here).
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#2 Old 08-19-2008, 12:14 AM
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#3 Old 08-19-2008, 12:14 PM
 
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Damn, that's what I thought. I was hoping it was lower so I knew what was wrong with my settings in my MS2.
Thanks for the help.
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#4 Old 02-12-2011, 01:18 AM
 
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i know this post is from a while ago, but i was searching and i was wondering whats the biggest fuel injector you can go with for a stock ka24de, see my car recently started showing signs of a vacuum leak, and i popped the hood and discovered a hose that was cracked, i replaced it, but still showed signs of a vacuum leak, and eventually discovered it was the injector o-rings, so i figured why not replace all injector after 189xxx miles, im also building my ka, so if i can buy a bigger injector size to carry me through as i add more power to the car while also good for a stock motor, if the stock injectors are 260-270 then i assume 300cc will be just fine, am i thinking right?
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#5 Old 02-12-2011, 02:54 AM
 
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Originally Posted by Tweak110100100 Last Post
i know this post is from a while ago, but i was searching and i was wondering whats the biggest fuel injector you can go with for a stock ka24de, see my car recently started showing signs of a vacuum leak, and i popped the hood and discovered a hose that was cracked, i replaced it, but still showed signs of a vacuum leak, and eventually discovered it was the injector o-rings, so i figured why not replace all injector after 189xxx miles, im also building my ka, so if i can buy a bigger injector size to carry me through as i add more power to the car while also good for a stock motor, if the stock injectors are 260-270 then i assume 300cc will be just fine, am i thinking right?
Holy old thread, batman! Anyways, no. If you get bigger injectors, you'll need a tune. Send them out and get them flow tested and matched if you're worried, but a stock ass KA24DE isn't going to get much of a power boost from having epic injectors.
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#6 Old 02-12-2011, 02:33 PM
 
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Yeah I know it won't give massive gains, but fo sho, brand new stockers will work out just fine
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#7 Old 02-14-2011, 09:30 AM
 
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Originally Posted by Tweak110100100 Last Post
i know this post is from a while ago, but i was searching and i was wondering whats the biggest fuel injector you can go with for a stock ka24de, see my car recently started showing signs of a vacuum leak, and i popped the hood and discovered a hose that was cracked, i replaced it, but still showed signs of a vacuum leak, and eventually discovered it was the injector o-rings, so i figured why not replace all injector after 189xxx miles, im also building my ka, so if i can buy a bigger injector size to carry me through as i add more power to the car while also good for a stock motor, if the stock injectors are 260-270 then i assume 300cc will be just fine, am i thinking right?
That depends on whether you have a tuning device to adjust your fuel or not. If you're getting something like a standalone engine management system installed to handle future mods, the sky's the limit. If you are running the stock ECU, I wouldn't bother upsizing the injectors just yet. I'd just send them out to have them cleaned and flow tested. We use WitchHunter Performance for that ourselves and have had great results from them.
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#8 Old 02-14-2011, 10:38 AM
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Not only that but from the Factory the 240's run pretty rich under WOT as is, throwing ~30cc more fuel just makes it richer.



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#9 Old 04-26-2011, 02:57 AM
 
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so the obd1
ka24de and obd2 run the same CC?
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#10 Old 04-26-2011, 03:45 AM
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Yes.



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