Below is what I got off the Castrol info sheet for this oil.
Two of the claims(highlighted in bold) got my attention.
How exactly would oil help maintain boost pressure?
Edge Sport 10W-60
"New Formulation"
________________________________________________________________________________
Applications
Maximum horsepower up to 45% longer than leading competitors
Race proven for highly stressed and competition engines
Castrol's best Sports Performance Oil. Fully Synthetic with di-ester booster
________________________________________________________________________________
Features / Benefits
· Delivers race proven power and performance
· Stays in grade
· Proven to maintain turbo boost pressure
· Independently tested to deliver maximum horsepower up to 45% longer – even against other synthetics
· The best protection for older modified vehicles
· Provides protection when running fast, hot or hard
· Provides confidence that your engine won't let you down when you need it most
________________________________________________________________________________
Specifications / Performance
API SM/CF
ACEA A3/B3, A3/B4
Two of the claims(highlighted in bold) got my attention.
How exactly would oil help maintain boost pressure?
Edge Sport 10W-60
"New Formulation"
________________________________________________________________________________
Applications
Maximum horsepower up to 45% longer than leading competitors
Race proven for highly stressed and competition engines
Castrol's best Sports Performance Oil. Fully Synthetic with di-ester booster
________________________________________________________________________________
Features / Benefits
· Delivers race proven power and performance
· Stays in grade
· Proven to maintain turbo boost pressure
· Independently tested to deliver maximum horsepower up to 45% longer – even against other synthetics
· The best protection for older modified vehicles
· Provides protection when running fast, hot or hard
· Provides confidence that your engine won't let you down when you need it most
________________________________________________________________________________
Specifications / Performance
API SM/CF
ACEA A3/B3, A3/B4