92 KA24DET Still Alive after 4K, check it out guys

General discussion forum about the 240sx, and a great place to introduce yourself to the board!
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krash
Posts: 4836
Joined: Mon Apr 11, 2005 10:43 am
Car: 1993 Nissan 240sx Convertible
Location: Memphis, TN
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asoomal wrote:
Well, getting a full head work done will reduce the chances of detonation and make it run smoother. If all the combustion chamber are within the same spec, as in if they all are the same size, it will definitely run smoother. Not to mention it'll increase efficiency, more power with less boost, using less gas.

Also, all the cylinders will be producing pretty much the same amount of power, making it last longer and increasing power again.
If his head is within the factory spec, it'll be fine for those power goals. Will it run better if he gets other stuff done to the head, of course, but its not necessary. At that power level, the way to avoid detonation is to get a proper tune and make sure the fuel system is perfect.


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asoomal
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Joined: Tue Feb 26, 2008 4:45 pm
Car: 2001 Subaru Impreza L 5MT (Daily)
1992 Nissan 240SX SE 5MT w/HICAS (Being restored)
Location: Canada

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I'm a whore for efficiency, so I am somewhat biased.

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Chewbacca117
Posts: 22
Joined: Thu Feb 16, 2012 6:35 pm
Car: 79 Chevy Stepside- Sold
02 VW Jetta Turbo- Sold
87 Trans Am GTA- Sold
91 Nissan hardbody-Sold
91 240sx Coupe- Sold
95 240sx- Current project
93 Mazda Miata-Beater
Location: Central Cal

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krash wrote:
Chewbacca117 wrote:Please do the headwork when rebuilding it will bite you in the a** if you dont.
asoomal wrote:Head work > Boost.
I think when he said head work he meant porting and polishing, titanium valves, etc. That stuff really isn't necessary. What IS necessary is getting the head rebuilt. Change the valve seals, take it to a machine shop to get checked out, and make sure everything is in spec. That won't cost you more than like $200.
No I wasnt talking about upgrading. He just needs to replace everything that you just mentioned.

:cool: :cool:

Itzchinegro
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Joined: Sun Mar 11, 2012 12:22 pm

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inspiration!


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