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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series. |
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08-06-2012, 09:47 AM | #211 |
Leaky Injector
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A vacuum is a vacuum. I have never had any issues. My FPR feed is Tee'd to my MegaSquirt. Even DIYAutotune.com states to Tee from FPR. MegaSquirtPNP by DIYAutoTune.com
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12.96 @ 116.36 - Build Thread |
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08-07-2012, 05:22 AM | #213 |
Leaky Injector
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Anything hooked up to a turbo motor will see positive pressure unless it has a one way valve like the brake booster.
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12.96 @ 116.36 - Build Thread |
08-14-2012, 10:33 AM | #214 |
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Hey guys, just recently found a used KA24DE on good ol' Craigslist. Its got 125kish on it. Its got everything but the trans on it. He thinks it has a spun bearing, and is selling it for 75$ (block, head + components). Now, this just seems really low to me, so I'm alittle skeptical about its true condition, but I'm in need of an engine for my car, so, should I shell the 75$ and see what all needs done to get it going, and if so, what brands would you guys recommend? I've already started factoring in sr injectors, a fuel pump, and such. Or should I try and find a different one? I'm looking to go for a mildish build, mid to low 200's hp wise, just to be around an SR20's area. I just have no idea where to start, but I have seen the info about the injectors, 255 fuel pump, avoiding Egay, so on, I just have no idea what to expect. So I was wondering if someone could point me in the right direction. This is my first build, so I'm trying to go the "prepare for the worst, hope for the best", route.
Here's the link to the Ad if it helps 240sx KA24DE motor and trans Just looking for alittle advice, all input is welcome! |
08-21-2012, 05:46 PM | #215 |
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Why is spark plug gap sooo different on everyones builds? Whats the latest on spark plug gap for turbo guys, im at 23 and having issues. That seems hella low
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08-22-2012, 05:01 AM | #216 |
Leaky Injector
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The reason why it is so different is because of cylinder pressures, fuel, power of the spark, etc. .028 seems to be a good gap for most KA's with distributor systems. I am running .036 with LS2 coils. In regards to your setup, have you tried rewiring the ignition coil with a relay. This helped my setup a lot when I was using a distributor.
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12.96 @ 116.36 - Build Thread |
08-25-2012, 06:19 PM | #217 |
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Turn key Ka24det swap & Silvia front end
This is going in my car. What do u guys think? Its costing me 3000$ for a turn key swap... |
08-26-2012, 06:01 AM | #218 |
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If you have a de already than no, if you have a sohc than it's debatable, but still kinda high for a Kat. You Should have him install it with the price for 3 grand if he's that firm on the price. And is it tuned? It may have never ran good enough to get it on a dyno and now he's jest selling his prob and trying to get every penny he can.
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09-05-2012, 05:28 PM | #221 |
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^sure you can and it's been done before. Although it's not recommended. If you want it to last get a tune. An safc at the very least.
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09-24-2012, 11:12 AM | #223 |
Zilvia Junkie
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hey guys. got a quick question. this is mostly for the guys who are running over 14psi. heres my setup
built forged bottom 9:1 bc 264 cams bc oversize valves all arp hardware. im running the old arp headstuds(the 1.9 saturn ones) t3/04e @ 15psi hks 740cc so i blew my first head gasket. was a felpro. took the head off and everything is fine. nothing is warped. i was at the strip and i just got my bee r a few weeks ago. testing out the 2 step... anyway #4 cylinder started burning coolant after my third pass. car has around 10,000 on the new motor. coolant was NOT in the oil. the gasket had two small holes between cylinder 2&3 and by #4 as well. so my question is..im going with a felpro again.is there anything i can do to prevent this from happening again? a buddy had the same thing happen to his KA-T(built with t28) after a few thousand. he said that instead of just hand tightening the studs in like it says. he used an Allen key and tightened them down pretty good before putting the head back on. haven't had a problem since. also i saw that on arp's new stud kit for the KA it says you can use locktight but you must torque the head down before it sets. soo any tips |
11-21-2012, 07:01 PM | #224 |
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What do you guys think of this kit?
cxracing.com: Newly Released Complete Turbo Kit for 91-94 Nissan S13 240SX with Stock KA24DE DOHC Dual Cam Engine |
12-19-2012, 05:20 PM | #225 |
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Can I Get Some Help??
hey guys,im pretty new to the whole forum thing but my names biagio, i have a 1993 240sx se,its a Ka24de pretty much stock aside from intake, exhaust and finally coilovers, anyway i was wondering if i someone could help me, im really interested in saving money for a whole turbo setup but i cant get a solid price because i dont know everything i need. could someone give me a complete list of everything id need to put on a stock 240 to have a complete setup, thanks
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01-23-2013, 01:20 PM | #226 |
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what size fitting did everyone get for the turbo oil lines that gets welded onto the oil pan? anyone know stock sr20 thread size and pitch?
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01-31-2013, 06:00 PM | #227 |
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Need help ka-t running lean
Hello everybody i have a ka24de with a t25, walbro 255l pump, n60 maf, 370cc injectors, smic, xs manifold, sr downpipe and elbow, Enthalpy ECU for 91 octane and stock FPR
NOw we retarted 15 deg BTDC, when we start the car it idles fairly high, i read the wideband gauge it reads crazy lean. We checked for vacume and boost leaks but none, we noticed when we spray starter fluid in the MAF the car idles perfect for a lil bit then goes lean. I am stumped any wise words would help. thanks
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02-10-2013, 09:06 PM | #228 |
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I got a s13 ka24de, i removed the "PCV TREE" and now i'm wondering what to do it with it? Im going to boost it so i have a catch can as well. Can i have one vacuum line going from the PCV valve to one side of the catch can the the other line leaving the catch can going to the breather on the valve cover? OR have the the pcv and breather off the valvecover tee'd into one line going to the catch can and the other line from the catch can to pre turbo?
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02-28-2013, 05:12 PM | #229 |
Leaky Injector
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Ka24de/Turbo Help
Ok, so I recently purchased a 90 hatch rolling shell, my buddy is giving me his ka24 engine,tranny and ecu wiring harness. He rebuilt it and has about 10k on the new motor. I want to turbo it and am wondering if it can handle pretty good boost on a t28 turbo? Thought about a t3 but I am not 100% on how much the motor can take. Any suggestions on what size turbo or should I just start buying eagle rods, forged pistons, new crank and cams so that I can uprade to a bigger turbo eventually? I am starting to drift so I am figuring should just stay stock for a while then slowly upgrade to all this that I just explained. Let me know if there is a better way of going about this? Thanks!
Oh and I know some of you will say "SR! Problem solved" But I hear KA's are badass built up.
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03-06-2013, 09:53 PM | #230 |
Leaky Injector
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t3/t4 50 trim .63 ar beautiful turbo for pump gas, full boost around 3500rpms holds strong until redline. If the motor was properly rebuilt it will hold 15psi easily on a good tune. Im running 11psi on a stock block with 230k miles, proper tune is what makes or breaks a KA.
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S13 stock block Ka-T 16psi Enthalpy tuned *SOLD* |
04-20-2013, 01:56 PM | #232 | |
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Quote:
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04-21-2013, 10:57 PM | #233 | |
Leaky Injector
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Quote:
I've never dyno'd my car but I should be around 330-340whp (based off of similar setups on Ka-t.org). I'm running 16psi now as well. I think im selling my car but if I keep it I'll dyno it for sure.
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S13 stock block Ka-T 16psi Enthalpy tuned *SOLD* |
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04-30-2013, 12:20 AM | #235 | |
Leaky Injector
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Quote:
If neither of those are considered affordable then you get what you pay for if you go eBay special (DON'T)
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S13 stock block Ka-T 16psi Enthalpy tuned *SOLD* |
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04-30-2013, 10:33 AM | #237 |
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hey, i wanna go turbo ka but i have some questions on it.. i want around 250-300 whp and i dont know if i should upgrade the internals or not.. i read jeffs assessment on the different stages of ka-t's but how reliable would that be on a stock ka.. keep in mind i am aware of the other mods i would need to have as well, i just want to know as far as engine internals go
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04-30-2013, 01:03 PM | #239 |
Leaky Injector
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S13 stock block Ka-T 16psi Enthalpy tuned *SOLD* |
04-30-2013, 01:06 PM | #240 | |
Leaky Injector
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Quote:
If the block is healthy I wouldn't upgrade unless youll eventually want 350+hp. Im pushing 16psi from a 50 trim on my stock block that has 230k miles. Its all in the tune. My build if you're interested in copying/ getting ideas from it www.ka-t.org :: View topic - mmmS13's Backwards build.
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S13 stock block Ka-T 16psi Enthalpy tuned *SOLD* |
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