RB25det questions

Discuss the RB20, RB25 and RB26 series engines.
kylegraves1117
Posts: 35
Joined: Sat Sep 27, 2008 6:51 am
Car: 02 sentra 1.8

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I have a 96 s14 kouki with a rb25det bored out to 2.7 and with weisco pistons. Now i know none of you have seen the motor or anything but id figure that they replaced all the internals. If they didnt what would you suggest i stop the WHP at? Im not DDing it but i am driving it a few times a week at least.

2nd. How much can the stock back end take on a 240sx. And also what do i need to upgrade on it to take more power. I heard its 450 but i dont want to stress it anymore than i have to.

thanks in advance to new 240sx owner


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virus77
Posts: 1775
Joined: Thu Mar 25, 2004 9:43 am
Car: 95 S14, 71 240z, 97 e320

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so is the motor built or not? maybe its a 2.7 maybe its stock... am I understanding this correctly lol
Modified by virus77 at 5:35 AM 5/21/2009

Cjmartz2k
Posts: 1845
Joined: Sat May 19, 2007 1:39 pm
Car: Hunting for a '89 GTR now
Location: Okinawa, Japan

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Purely guessing, but I'd bet the stock RB25 block wouldn't like much more than 700-800rwhp.

By back end, do you mean axles/diff?

rb25det250sx
Posts: 443
Joined: Sat Feb 07, 2009 9:20 pm
Car: '96 Nissan 240SX RB25DET powered!!!
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well the stock rb25 block will handle about 500-600hp without being stressed.

as for the rear end, i dont know about the s14, but the s13 will handle bout 500 b4 it breaks.


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