Another Dyno tunning session today 342RWHP & 336RWTQ
#16
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TonyG
#17
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It's a nice car. Too nice to part out. But that's neither here nor there. It's not the compressor change that will fix the lag. It's the turbine side. Just make sure you have an appropriate sized turbine and you'll still get your 350RWHP.... it's just that you'll make a lot more than 125HP at 3500rpms. That turbine is way too big. Is it a garrett turbine? If so, you can just change out the housing and/or the wheel and tighten it up and end up and get a ton more power in the lower and mid range which will make the car 10x more fun to drive.
TonyG
TonyG
#18
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#19
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The turbo is fine, you just need to add a little displacement to spin it up sooner. 3 liters should do it... ![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
BTW, the AFR curve could be cleaned up a bit - no need to drop into the 10's the way it is above 5K....
![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
BTW, the AFR curve could be cleaned up a bit - no need to drop into the 10's the way it is above 5K....
#20
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GT35 is too big for a 2.5L as you can see. Well for the street anyway. That curve isn't bad for a track car.
#22
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Carlene, if you read the first post it says I am tuning towards my goal of 350 reliable rwhp similar to what I ran for nearly 4 years in my former lartmobile, something some said it wasn't possible, here is the dyno of the lartmobile and as Tony suggested I may need to get a smaller turbo, anyway see the link below
https://rennlist.com/forums/3641173-post1.html
https://rennlist.com/forums/3641173-post1.html
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