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Elite Engineering · 05-31-2017, 02:48 PM

A properly ported TB will make the most difference, but if you have more than 10-20k miles on your GDI engine the disruption of the air flow past the intake valves due to the coking deposits has a very noticeable effect on off idle throttle response. This will require a manual intake valve cleaning (NOT a seafoam/BG/CRC engine running!! That will damage pistons and cylinder walls due to the sand like hard abrasive make up of the deposits) and then our E2-X air/oil separating crankcase evacuation system will prevent up to 85% of those deposits from forming int he future as well as other benefits.

Here is a before and after dyno on a 6.2 LT1 engine at 19k miles to show the impact of these deposits. You won't notice the degradation as it is gradual, but after the cleaning night and day difference:

Any questions on more details, just ask.

05-31-2017, 02:48 PM	#61
Elite Engineering Drives: 2010 Camaro Join Date: Nov 2009 Location: Denver Posts: 1,383	A properly ported TB will make the most difference, but if you have more than 10-20k miles on your GDI engine the disruption of the air flow past the intake valves due to the coking deposits has a very noticeable effect on off idle throttle response. This will require a manual intake valve cleaning (NOT a seafoam/BG/CRC engine running!! That will damage pistons and cylinder walls due to the sand like hard abrasive make up of the deposits) and then our E2-X air/oil separating crankcase evacuation system will prevent up to 85% of those deposits from forming int he future as well as other benefits. Here is a before and after dyno on a 6.2 LT1 engine at 19k miles to show the impact of these deposits. You won't notice the degradation as it is gradual, but after the cleaning night and day difference: Any questions on more details, just ask.