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2021 GT 500 Twister Orange with black stripes
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356 Posts
May be a stupid question but if the RPM maxes out at 8k on tach how do you shift at 8300?
I asked same question , they set the shift points on the tcu so you just left the car shift it self.
 

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2021 GT 500 Twister Orange with black stripes
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356 Posts
Oh so now they have access to tranny? I remember they (PB) didn’t have access to make that happen in auto. Guess no more Manual to get max HP lol.
They only have access to shift points. Not that fun to race your car anymore if you just leave it to auto shift :(
 
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2021 GT500-2.85 griptech pulley/long tube headers/JLT Intake/1050x Injectors
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1,449 Posts
They only have access to shift points. Not that fun to race your car anymore if you just leave it to auto shift :(
I totally disagree! I love racing my car in auto. It up/down shift with precision right where it should. Amazing
 

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2021 GT 500 Twister Orange with black stripes
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356 Posts

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2021 GT 500 Twister Orange with black stripes
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356 Posts
I totally disagree! I love racing my car in auto. It up/down shift with precision right where it should. Amazing
I guess im old school. I like to shift
 

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2021 GT 500
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1,359 Posts
Good to know they spin them that fast. Definitely sounds risky. Wonder how many of the pricey parts are necessary if you have them limit rpm to 8k. There’s a big price delta between the 850 whp and 900 packages.
 

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2021 GT 500 Twister Orange with black stripes
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356 Posts
Even the cats only rated at 850hp
 
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2020 grabber lime gt500
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17 Posts
I installed a JLT CAI (simple process and no issues at all doing it). We then strapped it down to the Dyno and proceeded with the tuning. Final numbers: 784rwhp 657rwtq. Extremely pleased with the results and it is a different car now. It is angry! LOL. Can’t wait to try it on the track!
Was this standard dyno #s? Or sae corrected?
 

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2021 GT500 Race Red
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2,942 Posts
I installed a JLT CAI (simple process and no issues at all doing it). We then strapped it down to the Dyno and proceeded with the tuning. Final numbers: 784rwhp 657rwtq. Extremely pleased with the results and it is a different car now. It is angry! LOL. Can’t wait to try it on the track!
I order the Kong setup still waiting on it, I was told and saw a Youtube video it gave roughly 38RWHP to a stock GT500 with no additional mods, is that true or close to true? Full discloser I bought the kong more for the looks plus wanted to keep a closed system, really consider the JLT CAI, Price was better lol. Help if anyone can answer this. Thank you.
 

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2021 GT500 Race Red
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2,942 Posts
I order the Kong setup still waiting on it, I was told and saw a Youtube video it gave roughly 38RWHP to a stock GT500 with no additional mods, is that true or close to true? Full discloser I bought the kong more for the looks plus wanted to keep a closed system, really consider the JLT CAI, Price was better lol. Help if anyone can answer this. Thank you.
Also torque increase anyone know? Whats the stock RWHP and Torque on a complete stock 2021 GT500? I heard 680 and 585. Harder to get real info here in the Philippines as There are only 8 total 2020/2021 GT500's in the whole country, I only seen 3 others, 2 were still at dealerships in Manila which is 125 miles from me. The other one was at a car event I went to down in Clark the old U.S Air Force base and he the owner didn't know anything about the car not even the advertise 760hp 625TQR numbers.

So I get most my info here and youtube, UGH 😢 :) I love you guys Especially Goose17, if I visit the states I'll take you out for a beer sir. ;):)
 

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2021 GT500 Race Red
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2,942 Posts
Also torque increase anyone know? Whats the stock RWHP and Torque on a complete stock 2021 GT500? I heard 680 and 585. Harder to get real info here in the Philippines as There are only 8 total 2020/2021 GT500's in the whole country, I only seen 3 others, 2 were still at dealerships in Manila which is 125 miles from me. The other one was at a car event I went to down in Clark the old U.S Air Force base and he the owner didn't know anything about the car not even the advertise 760hp 625TQR numbers.

So I get most my info here and youtube, UGH 😢 :) I love you guys Especially Goose17, if I visit the states I'll take you out for a beer sir. ;):)
Has anyone baselined a stock 2020/2021 GT500 at the crank, what was the numbers? Saw 2 Videos of Stock GT500's WHP of 690 and 705, Trq was 596, Does the DCT lose less power then most drivetrains roughly 15%. I am thinking the DCT loses no more then 10%?

I would go DYNO mine except I have to drive 200 miles plus pay 1000 bucks:(
 

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2021 GT500 Race Red
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2,942 Posts
Has anyone baselined a stock 2020/2021 GT500 at the crank, what was the numbers? Saw 2 Videos of Stock GT500's WHP of 690 and 705, Trq was 596, Does the DCT lose less power then most drivetrains roughly 15%. I am thinking the DCT loses no more then 10%?

I would go DYNO mine except I have to drive 200 miles plus pay 1000 bucks:(

 

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2021 GT500 Race Red
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2,942 Posts

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2021 GT500 Race Red
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2,942 Posts
This guy states only a 7% Drivetrain loss at around minute 6.40 and max WHP Of 717

Anyone with additional info on a Stock 2020/2021 GT500 would be appreciated.

Thank you
 

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8,166 Posts
I think it’s literally all over the place mine did 708hp on its maiden Dyno voyage. I’m perfectly happy with everything and likely won’t do any performance mods.
 
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