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Weistech VS Renntech in 2020

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Old 06-08-2020, 09:42 AM
  #101  
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2016 AMG GTS
Originally Posted by gshoe777
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?
If you have the time and the extra $75 or whatever the dyno session costs, it would be nice to see the filters separately! I would even think that you could install them quickly while the car is still on the dyno and do a back to back comparison then.
Old 06-27-2020, 05:13 PM
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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.


Last edited by kumizi; 06-27-2020 at 05:26 PM.
Old 06-27-2020, 05:24 PM
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Originally Posted by kumizi
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.
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?
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Old 06-27-2020, 05:27 PM
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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.
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Old 06-27-2020, 08:27 PM
  #105  
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Originally Posted by gshoe777
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?
20/21 with a drop - virtually no difference in ride quality and zero rub.


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Old 07-14-2020, 03:55 PM
  #106  
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Hi all,
I know this is a blast from the past...

OP - Were you able to re-dyno your GTC post Tune and see the retrieve your Torque numbers?

-Chris
Old 07-14-2020, 06:25 PM
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Originally Posted by chris135b
Hi all,
I know this is a blast from the past...

OP - Were you able to re-dyno your GTC post Tune and see the retrieve your Torque numbers?

-Chris
been slammed. Hopefully next week. Didnt forget about you guys!
Old 07-22-2020, 09:02 PM
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Your numbers helped me decide with which tune I would go. Keep us posted
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