12-18-2018, 09:00 AM | #1 |
Drives: 2018 Camaro ZL1 1LE Join Date: Aug 2018
Location: Cypress, TX
Posts: 20
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LT4 engine oiling and HP ratings for zl1 1le
My 2018 Camaro ZL1 1LE is rated at 650/650 HP/Torque but uses a wet sump oiling system. The 'vette uses a dry sump system and rated 650/650 as well. When I look in the GM Performance catalog the wet sump engine is rated at a lower HP than the dry sump engine setup. This makes sense to me because of windage losses, etc in the wet sump system. So is the wet sump Camaro LT4 really rated at slightly lower hp than the dry sump 'vette LT4.
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12-18-2018, 09:17 AM | #2 |
Who Needs to KNOW?
Drives: 18 ZLE Join Date: May 2018
Location: Left Side of the Moon
Posts: 1,770
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Does it really matter ?
Maybe they retuned it so they have same net hp @ crank. +0.125psi.. done.
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12-18-2018, 09:19 AM | #3 |
Hot Dog
Drives: '17 1SS 1LE Join Date: Feb 2016
Location: Metro Detroit
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They're both SAE certified at 650/650. Whatever GMPP is doing in their aftermarket catalog is not related. The Corvette and Camaro use their own ECU tunes.
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12-20-2018, 11:10 AM | #4 |
Drives: 2018 Camaro SS 1LE Join Date: Aug 2018
Location: Tampa Florida
Posts: 1,980
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Not a super scientific way to prove anything but haven't camaro lt1's been dynoing higher than corvette lt1's by a slight margin? I know not all lt1 vette's are dry sump but still similar comparison. The wet sumps aren't trumped by the dry sumps necessarily.
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