# Few Rb25det Question!!
**URL:** https://forums.speedlife.net/t/few-rb25det-question/112774
**Category:** SON240sx Automotive
**Created:** [January 28, 2008, 3:36pm UTC](https://forums.speedlife.net/t/few-rb25det-question/112774 "2008-01-28T15:36:51Z")
**Posts on this page:** 6
**Page:** 1
### Author:  [@Polar\_s13](https://forums.speedlife.net/u/Polar_s13)
#### Post date: [January 28, 2008, 3:36pm UTC](https://forums.speedlife.net/t/few-rb25det-question/112774/1 "2008-01-28T15:36:51Z")
Hey guys well I’am kind of thinking on going rb25 but I just wanted to know a couple of things first.
1. How is the oem replacement market on a Rb25det? (is it hard to find parts)
2. Anyone ever driven a rb25det and an sr20det, how much of torque difference was their?
3. What rpms is your car at when cruising at 120km/h in 5th obviously?
4. Also last but not least is their anyone that can meet up with me and take me a ride in their car with a rb25det?
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### Author:  [@Pants](https://forums.speedlife.net/u/Pants)
#### Post date: [January 28, 2008, 3:59pm UTC](https://forums.speedlife.net/t/few-rb25det-question/112774/2 "2008-01-28T15:59:21Z")
just keep ur sr
put cams, fimc, larger turbo, larger injectors, tuned ecu etc etc
get around 300 whp and u will have fun
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### Author:  [@Polar\_s13](https://forums.speedlife.net/u/Polar_s13)
#### Post date: [January 28, 2008, 4:09pm UTC](https://forums.speedlife.net/t/few-rb25det-question/112774/3 "2008-01-28T16:09:51Z")
I was thinking of doing that but I hate low torque, anyways ill probably end up keeping the sr20 unless there is a huge diff between rb25 and sr.
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### Author:  [@Pants](https://forums.speedlife.net/u/Pants)
#### Post date: [January 28, 2008, 4:15pm UTC](https://forums.speedlife.net/t/few-rb25det-question/112774/4 "2008-01-28T16:15:09Z")
u should get a ride in a modded ka-t
you will say fuck sr or rb lol
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### Author:  [@Polar\_s13](https://forums.speedlife.net/u/Polar_s13)
#### Post date: [January 28, 2008, 4:21pm UTC](https://forums.speedlife.net/t/few-rb25det-question/112774/5 "2008-01-28T16:21:29Z")
Yea I heard ka-t are really torque happy, only one thing wrong ever since my damn ka lost compression on 2 cylinders I just dont trust ka-t’s anymore.
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### Author:  [@slipperysilvia](https://forums.speedlife.net/u/slipperysilvia)
#### Post date: [January 28, 2008, 4:30pm UTC](https://forums.speedlife.net/t/few-rb25det-question/112774/6 "2008-01-28T16:30:17Z")
dont bother taking out sr and then going to rb, its such a waste of time unless ure sr needs 3-4000 of damage repair…sell ure car, buy a shell, and then think of a new game plan if u hate ure 200whp smic stock sr20 that much…