# tuning rb25

**URL:** <https://forums.speedlife.net/t/tuning-rb25/156275>\
**Category:** SON240sx Automotive\
**Created:** [June 9, 2010, 2:13pm UTC](https://forums.speedlife.net/t/tuning-rb25/156275 "2010-06-09T14:13:18Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![coldshot888](https://avatars.discourse-cdn.com/v4/letter/c/ad7895/32.png) [@coldshot888](https://forums.speedlife.net/u/coldshot888)\
**Post date:** [June 9, 2010, 2:13pm UTC](https://forums.speedlife.net/t/tuning-rb25/156275/1 "2010-06-09T14:13:18Z")

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anybody here actually have a stock rb25 that runs good with a safc??? ive been told they are garbage and that its is a waste of money to even try and have it tune so it will run decent, i have the N62 MAf and apparently thats the reason my car wont run properly. i just want the car to be a decent street car i dont wanna spen thousands on stand alones and such, anyone have input on a cheap and easy way to make my rb25 run good with that maf?

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**Author:** ![91S131](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/91s131/32/5732_2.png) [@91S131](https://forums.speedlife.net/u/91S131)\
**Post date:** [June 9, 2010, 3:25pm UTC](https://forums.speedlife.net/t/tuning-rb25/156275/2 "2010-06-09T15:25:48Z")

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Ask U2NDyno to tune it for you. Problem solved

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**Author:** ![coldshot888](https://avatars.discourse-cdn.com/v4/letter/c/ad7895/32.png) [@coldshot888](https://forums.speedlife.net/u/coldshot888)\
**Post date:** [June 9, 2010, 8:35pm UTC](https://forums.speedlife.net/t/tuning-rb25/156275/3 "2010-06-09T20:35:55Z")

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okay and where can i get ahold of this guy? is he a member?

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**Author:** ![coldshot888](https://avatars.discourse-cdn.com/v4/letter/c/ad7895/32.png) [@coldshot888](https://forums.speedlife.net/u/coldshot888)\
**Post date:** [June 11, 2010, 11:15am UTC](https://forums.speedlife.net/t/tuning-rb25/156275/4 "2010-06-11T11:15:11Z")

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anyways i figured it out, i had to get a rb20 ecu and have it chipped and tunned. works great

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**Author:** ![Feint](https://avatars.discourse-cdn.com/v4/letter/f/71e660/32.png) [@Feint](https://forums.speedlife.net/u/Feint)\
**Post date:** [June 11, 2010, 1:27pm UTC](https://forums.speedlife.net/t/tuning-rb25/156275/5 "2010-06-11T13:27:15Z")

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Just an FYI: you can chip RB25 ECU’s. What are you using for VVT? You won’t have VVT with an RB20 ECU, and the most power in a stock setup comes from the use of VVT. It shifts the intake cam profile from 242 to 262 4500+ RPM. Right now, you more than likely have a 242 cam profile from 0-redline.
