Pistons and cams?

Information on the naturally-aspirated KA24E and KA24DE engines.
Jo 240
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Joined: Wed Oct 05, 2005 2:37 pm

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I was thinknig about geting a set of ka24e pistons put in and possibly some 91 cams, I'm pretty sure i wont be able to do a good job myself and i was wondering what you guys thought a good/average price would be to get those both done at a shop.

Is there anything else i need to do before the rise in compretion with the pistons, and if i'm paying for laber to get the cams put in should i opt for somthing other then the stock 91 cams (i'v got a 93).

Or should i do all that last, and get the intake exhaust first


DjPantsSpecR
Posts: 1711
Joined: Fri Jan 14, 2005 12:49 pm
Car: 93 Nissan MS13
92 Nissan RMS13

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you'll probably learn pretty quickly here that you should probably search before you ever post anything. but in light of seeing perhaps the biggest 240 moron ive ever seen just quit these boards, i'll try to field this one for ya.

91 cams are the same as 93 cams. infact maybe, just maybe the 2 year difference in the cams has worn them away and you're losing .0001 mm of lift... but no seriously, just about every S13 KA24DE has the exact same 248/240 cam set up

if you really want to look at getting some cheap cams i gotta say search for 248/232 and buy some S14 cams, because no one wants them. 248/232, I feel, puts down more power than 248/248 or 240/248.... i can't prove that, but all i can say is i'm very satisfied with the results

ka24e pistons are a great upgrade, and i'd like to do this myself, if i weren't going turbo. however, it does require pulling the motor out and having a shop rebuild it... very expensive, plus you might run into a lot of extra costs that you decide you want, better fasteners and new bearings mainly, but these are not necessary, just nice to do while the motor is out. If you could do this yourself, it would be another story. You're going to be really pissed off at how much money you just spent to get 20 horse....

pretty much all you can do to handle that rise in compression is make sure your base timing is right and always use 93 or better

everyone can handle intake and exhaust, that kinda sounds like its more right up your alley. E pistons in a stock DE probably won't make as much power as an exhaust and an intake would. Obviously when the motor breathes better those E pistons will make a bigger difference though.

probably search next time, then look for intake and exhaust so more searching, then search again to see if your up to the E pistons. or maybe if you search hard enough you'll just get a turbo. but if you search a little more you'll learn that N/A motors are so much cooler and you'll get some itbs too...

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Chezedik
Posts: 4726
Joined: Tue Dec 17, 2002 8:35 pm
Car: 1991 Nissan 240sx

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ITBs? Hardly an alternative to a turbo. But the E piston swap isn't too bad, and you can run it with 91 octane. A guy here in town had them, with NOS he was in mid 14s. No other mods to speak of.

DjPantsSpecR
Posts: 1711
Joined: Fri Jan 14, 2005 12:49 pm
Car: 93 Nissan MS13
92 Nissan RMS13

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i'm so thankful that you revived like a hundred month old posts...

and no one ever said ITBs were an alternative to turbo, thats not even implied, anywhere ever

and with 4.64 gears and a 50 shot you can run just as fast. no one said anything about drag racing either... especially drag racing an all-motor KA, but good luck on that post count...

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Chezedik
Posts: 4726
Joined: Tue Dec 17, 2002 8:35 pm
Car: 1991 Nissan 240sx

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Well I didn't get here with 559 good posts, lol!

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xTearsFallForeverx
Posts: 140
Joined: Fri May 28, 2004 6:50 pm
Car: 1990 s13 Fastback
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damn dj you need to get your panties out of a bunch. Settle down sparky..... oh and putting new pistons in doesnt exactly require pulling the engine. all can be done with everything still in the car. its just a little more time consuming.

DjPantsSpecR
Posts: 1711
Joined: Fri Jan 14, 2005 12:49 pm
Car: 93 Nissan MS13
92 Nissan RMS13

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yeah... just pull the head off, then lay under the car and remove the oil pan, the main girdle and the bearing caps... or if you can pull the oil squirters safely then by all means dont pull the head.... sounds like a brilliant idea, i mean a total of 4+ hours just laying under a car trying to rebuild a motor, plus the torquing and pulling the crank out which requires pulling the transmission out... you will waste WAY more time if youre a damned moron and do it without pulling the motor, are you frickin serious with that bull****?

plus, **** you for saying some **** like that, i dont know who you are or what your credentials are but your best to mind your Ps and Qs guy with your SE-R... fakeass billybadass

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xTearsFallForeverx
Posts: 140
Joined: Fri May 28, 2004 6:50 pm
Car: 1990 s13 Fastback
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lol i like you. you remind me of my friend terry. you anger is astounding. im being serious not sarcastic.

DjPantsSpecR
Posts: 1711
Joined: Fri Jan 14, 2005 12:49 pm
Car: 93 Nissan MS13
92 Nissan RMS13

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i know i'm sorry, im coming down from my buzz from this evening, so i was legitmately pissed like an hour ago, but now i just dont know what to think

seriously though, pulling a motor is way easier than trying to do all that with the motor in place. i mean, would you even wanna take the crankshaft out while wrenching under a car? i cant stand being under one for more than two hours

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xTearsFallForeverx
Posts: 140
Joined: Fri May 28, 2004 6:50 pm
Car: 1990 s13 Fastback
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if you pull the head off then you dont have to pull the crank.. ive had to do it to a FWD car before because i didnt want to have to pull the engine. it wasnt that bad. true the girdle would be a pain in the *** to get off without pulling the engine. i didnt even think about that. my bad. take it easy sparky. dont worry, be happy.


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