rb20 vs 25 transmission

Discuss the RB20, RB25 and RB26 series engines.
240240
Posts: 123
Joined: Mon Jul 19, 2004 8:26 am

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How much stronger is the 25's tranmission than the 20's? I have seen on ebay that some people are packaging the 25's with rb20 transmission.


Joe
Posts: 6511
Joined: Sun Feb 09, 2003 8:29 pm
Location: Phoenix, AZ

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pretty much SR/KA vs. Z32 transmission.

the 25 transmission is much beefier, but if you arent gonna be going for 450+, a 20 transmission will work fine.

Britt
Posts: 146
Joined: Fri Dec 22, 2006 8:53 am
Car: 1995 240sx se
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Kamin wrote:pretty much SR/KA vs. Z32 transmission.

the 25 transmission is much beefier, but if you arent gonna be going for 450+, a 20 transmission will work fine.
x2

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Carl H
Posts: 5985
Joined: Mon Aug 04, 2003 4:09 am
Car: 1995 Nissan 240SX SE RB30DET

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dont bang gears and a 20 box will do just fine.

Joe
Posts: 6511
Joined: Sun Feb 09, 2003 8:29 pm
Location: Phoenix, AZ

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Carl H wrote:dont bang gears and a 20 box will do just fine.
why does mine stay together then?

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Carl H
Posts: 5985
Joined: Mon Aug 04, 2003 4:09 am
Car: 1995 Nissan 240SX SE RB30DET

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perhaps some of the rb20 magic fairy dust made it on to the trans when it was sprinkled?

Joe
Posts: 6511
Joined: Sun Feb 09, 2003 8:29 pm
Location: Phoenix, AZ

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i think its more of the shear awesomeness of the RB25 rubbed off on the inferior RB20 part.


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