gt3 engine tunning
Hi
I was thinking to upgrade my GT3 997.2 engine as i feel there is some lack of torque at low rpm. I saw cobbtuning accessport, any thoughts about it? I am using the RS fly wheel and clutch on my car, so instant revving is not a problem. Thanks |
I think your only "real" options are Cobb AccessPort and Sharkwerks' EvoMSit tune. I personally am using a Cobb AccessPort as I have a 3.8L build on my 997.1 and the Cobb AccessPort allowed for a custom tune from Dyno Spectrum (guys that worked on developing the Cobb AP). I have not tried their "off the shelf" tune that is included with the Cobb AP but I reckon it's fine for small improvements, and the nice thing with the Cobb AP is that you'll have the option to get more out of it with a custom tune later if you want. Plenty of guys are using Sharkwerks/Evolution Motorsports' EvoMSit tune with no issues.
Not sure what to tell you beyond that. Your question "any thoughts" is pretty open-ended. Uhhh....I could tell you that it has a sleek shape and funny looking buttons, or that I think the OBD-II cable that's included is a hair too short, or that they should offer a faceplate option with real carbon fiber and not that fake hydro-dipped one. (Not really, I don't care about that, but you get my point.) |
Do you have any data of how much gain in power you got from the tune?
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Originally Posted by Ezer Hay
(Post 15941410)
Hi
I was thinking to upgrade my GT3 997.2 engine as i feel there is some lack of torque at low rpm. I saw cobbtuning accessport, any thoughts about it? I am using the RS fly wheel and clutch on my car, so instant revving is not a problem. Thanks The 997.2 engine is not designed to have significant TQ at low RPM. That is one reason why driving one is so interesting / rewarding. Embrace the reality Have fun. |
If you said you were looking for better throttle response, then I would say go for the tune. But since you are looking for torque, I don't think a tune is going to be the answer. The only real answer for torque would be a 911 Turbo.
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The cobb increases low RPM torque significantly. But it's never going to feel like a V8 or a turbo. Nothing else will feel like a 911 turbo except a GT2 :)
Look at the dyno chart here dude. It's their own website. Scroll down. https://www.cobbtuning.com/products/...7-2-gt3-gt3-rs |
imo, 997needs no tuning.
you should never let it drop below 5000rpm. |
Originally Posted by Ezer Hay
(Post 15941410)
Hi
I was thinking to upgrade my GT3 997.2 engine as i feel there is some lack of torque at low rpm. I saw cobbtuning accessport, any thoughts about it? I am using the RS fly wheel and clutch on my car, so instant revving is not a problem. Thanks |
Originally Posted by voodoo
(Post 15963771)
I bolted Fabspeed headers on my .1 and the increase in torque from 3000-5000 RPM's was very surprising. I'd do it again in a heartbeat.
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Originally Posted by Ezer Hay
(Post 15941410)
Hi
I was thinking to upgrade my GT3 997.2 engine as i feel there is some lack of torque at low rpm. I saw cobbtuning accessport, any thoughts about it? I am using the RS fly wheel and clutch on my car, so instant revving is not a problem. Thanks |
Originally Posted by TTurbine
(Post 15970444)
Easy solution change the R&P ratio :)
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