05-30-2020, 02:42 PM | #1 |
Drives: 2020 LT1, 04 JDM STI, 18 BMW Join Date: Mar 2020
Location: MO
Posts: 46
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2020 LT1 Base Dyno
Afternoon All,
Had the pleasure of putting my 2020 LT1 on the rollers today at my buddies shop. This is a bone stock 2020 LT1 minus AWE axel back exhaust. It’s a 10 speed auto. Put down 403/425 on a DynoJet. No real plans for it anytime soon as I already have a fully built track car this is just a fun daily car. |
05-30-2020, 06:04 PM | #2 |
Drives: 2019 ZL1 A10 Join Date: Aug 2018
Location: Saratoga, NY
Posts: 125
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Plenty enough to have fun
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05-31-2020, 07:14 PM | #3 |
Drives: 2021 LT1 10 speed auto Join Date: May 2013
Location: Connecticut
Posts: 2,343
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The dyno is set for STD, SAE is less. 403 wheel hp on a dyno set at STD is not a great # close to the actual Factory rating of 455. 403 SAE wheel hp would be a decent healthy #
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05-31-2020, 10:33 PM | #4 |
Drives: 2020 LT1, 04 JDM STI, 18 BMW Join Date: Mar 2020
Location: MO
Posts: 46
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Well, its a 10 speed so you have more drive train loss compared to manuals so I think its right where it should be - thanks for your thoughts though.
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05-31-2020, 10:41 PM | #5 | |
Drives: 2020 LT1, 04 JDM STI, 18 BMW Join Date: Mar 2020
Location: MO
Posts: 46
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Quote:
STD: Air Temperature: 60F Absolute Pressure: 29.92 inches Hg Relative Humidity: 0% SAE: Air Temperature: 77F Absolute Pressure: 29.23 inches Hg Relative Humidity: 0% |
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06-01-2020, 08:21 AM | #6 |
Drives: 2021 LT1 10 speed auto Join Date: May 2013
Location: Connecticut
Posts: 2,343
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Just saying 403 rwhp on a dyno set at std is a good number, not on the high side and not on the low side of the the crank 455 factory rating. 403 rwhp on same dyno set at SAE would be on the higher side of the 455 factory crank horse rating IMO.
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