Weistech VS Renntech in 2020
#101
Random question.
I also have some bmc air filters. Should I install them with the tune before the dyno or do you guys want to see just the stock car plus the tune?
I'm considering installing the filters last and doing a third dyno to see if those bring any gains. I dont know if that's worth doing though.Thoughts?
I also have some bmc air filters. Should I install them with the tune before the dyno or do you guys want to see just the stock car plus the tune?
I'm considering installing the filters last and doing a third dyno to see if those bring any gains. I dont know if that's worth doing though.Thoughts?
#102
Super Member
I must've missed the dyno graph attachment the first time around. Just clicked on it.
It looks like they dynoed in different gears in sport mode vs race mode. That's the reason the numbers were so different between modes. Dynoing in higher gears will yield higher numbers. You can see one pull ended at 140mph and one ended at 110mph. The 140mph one dynoed more.
You guys had me questioning if I was going crazy. Thanks to @doulehr for making me reassess.
It looks like they dynoed in different gears in sport mode vs race mode. That's the reason the numbers were so different between modes. Dynoing in higher gears will yield higher numbers. You can see one pull ended at 140mph and one ended at 110mph. The 140mph one dynoed more.
You guys had me questioning if I was going crazy. Thanks to @doulehr for making me reassess.
Last edited by kumizi; 06-27-2020 at 05:26 PM.
#103
Junior Member
Thread Starter
I just clicked on the dyno chart picture for the first time. It looks like they dynoed in the wrong gear on sport mode. You can see it stopped pulling way before the other graph. Now it makes sense why they think the car makes so much less power in sport mode. I would go dyno somewhere else that knows what they are doing.
I could believe that they ran the wrong gear. Considering they also forgot to mention that they didn't have the proper connector to also measure torque. Either way I'm looking for a new place.
I'm shooting to have it redone this week or next. I'll keep everyone updated.
Side note, is anyone running 20+21 inch wheels on their gt?
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kumizi (06-27-2020)
#104
Super Member
I used to run a 20/21 combo but at the time, only the Pzeros came in 325/25/21. I hated those tires so much. So I switched to a 20/20 combo. Now Michelin makes a 325/25/21.
You'll get slightly less traction with a bigger wheel and smaller sidewall.
You'll get slightly less traction with a bigger wheel and smaller sidewall.
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gshoe777 (06-27-2020)
#105
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2020 McLaren 720s Spider
That's a good point. I'm not sure what they did. I also wouldn't be surprised if Mercedes did hold the car back that much in sport+
I could believe that they ran the wrong gear. Considering they also forgot to mention that they didn't have the proper connector to also measure torque. Either way I'm looking for a new place.
I'm shooting to have it redone this week or next. I'll keep everyone updated.
Side note, is anyone running 20+21 inch wheels on their gt?
I could believe that they ran the wrong gear. Considering they also forgot to mention that they didn't have the proper connector to also measure torque. Either way I'm looking for a new place.
I'm shooting to have it redone this week or next. I'll keep everyone updated.
Side note, is anyone running 20+21 inch wheels on their gt?
![](https://cimg4.ibsrv.net/gimg/www.mbworld.org-vbulletin/2000x922/img_1352_68ee4018f9a5dd773baf52bbf17b14c47083b55e.jpeg)
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California John (06-27-2020),
gshoe777 (06-27-2020)
#107
Junior Member
Thread Starter
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gshoe777 (07-22-2020)