Looking for some flattop pistons for a ka24de NOT FORGED

ONLY for ADVANCED technical discussion about the 240sx!
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auto-x-in
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Joined: Sat Oct 13, 2007 10:57 pm
Car: 1990 240sx

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Are they out there? I am not going to boost my car so i have no need for forged pistons but i want the highest compression possible. I keep hearing something about getting the ka24d pistons but what about relief cut or any other related issues? I auto-x and drive it daily and live in washington no cali crap. I do have guidelines i have to follow for my auto-x but any cheap and effective hp gain tips would be great. I might as well put this in too. I have a 90 Hatch (not that it matters) but i swapped thed that was in for the de that was in my wrecked one. Long story short the tack doesn't work. Is that because of the harness or the cluster?


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nelson8708
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Joined: Tue Dec 14, 2004 1:20 pm
Car: 1989 Nissan 240sx Fastback
1994 Acura Integra LS
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first its a KA24E. You have to do a few wire swaps on the interior harness to get the tack to work and swap to a dohc cluster. You can put ka24e pistons to raise the comp to what i have heard is around 11.6:1....but i dont know for sure. You dont have to do relieve cuts for the valves. When you drop them in make sure your cam timing is correct though.

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Joined: Sat Oct 13, 2007 10:57 pm
Car: 1990 240sx

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sorry about the ka24d thing it was like 3 in the morning i know what i meant and i know what it is. Anyways thanks about the pistons but the harness isn't what i wanted to hear but what i expected. Ok now what about getting the block bored out any answers there?


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