1st. why do you want to rebuild it? does it knock, smoke, leak etc?
2nd. why do you wanna rebuild a sohc motor, just spend less money and get a twin cam.
3rd. why do you feel you need to build a motor for "basic" modifications?
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RIP my very best friend. DJ aka djzstang1 you will be missed dearly. I love you bro.

1995 240sx se
1992 240sx
1990 240sx se
1991 240sx hicas sr20det MDX
1991 240sx project coupe
1990 240sx drift beater hatch
1993 240sx sr20det