Cant find SOHC pistons ****.

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Dustin240
Posts: 134
Joined: Sun Feb 19, 2006 1:36 pm

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I have looked for pistons and there are lots of for the DOHC and **** for the SOHC. Please help (Wisco's)



Nismo_Freak
Posts: 10314
Joined: Wed Jul 24, 2002 10:42 pm
Car: 89 Nissan 240SX

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Just ask any piston manufacturer, they can make them.

Structure240sx
Posts: 5615
Joined: Sun Oct 06, 2002 5:04 pm

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off the shelf dohc pistons work in sohc. the compression becomes lower tho. if you use 9:1 dohc pistons you get 8:1 compression in a sohc

Dustin240
Posts: 134
Joined: Sun Feb 19, 2006 1:36 pm

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Thank you thats what I needed

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deviousKA
Posts: 1355
Joined: Tue Aug 12, 2003 5:04 pm
Car: 90 240sx NA /72 Datsun 510 NA /86 corolla GTS NA
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I dont know where this misconception started, but 9:1 ka24de pistons DO NOT provide 8:1 in a ka24e.

The ka24e compression ratio would be closer to 7:1.

Using standard dish ka24de 9.5:1 pistons, the ka24e compression ratio would still be under 8:1.

For an 8:1 compression ratio in the ka24e, you want about 5cc of dish volume with a standard 34mm compression height. A 9.5:1 ka24de piston comes in at about 15cc dish, and an 8:1 piston over 22cc.

I do not know where to find some off the shelf ka24e forged pistons, all of mine I get done custom.

Structure240sx
Posts: 5615
Joined: Sun Oct 06, 2002 5:04 pm

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sorry for the wrong info, i was told that by someone on a certain forum a couple months ago after asking for a possible customer


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