I assume you mean synthetic. Use exactly what the manufacture recommends in your owners manual. I they recommend synthetic then use 100% synthetic and do not use a blend.
The Perfect Blend - 2007 was released on: USA: 22 April 2007
Its a special blend and its yellow dont put any other color
An (A) service means Replace Engine Oil.
$800
probably. If they are both OEM, they are interchangeable
Both the 2.3 liter four cylinder engine and the 3.0 liter V6 engine in a 2007 Ford Escape have timing CHAINS
You have to take the front dash apart almost to the firewall. A lot of 5,8and 10mm screws. Not a job for a DIY'er.
If it is the Cummins diesel, it is on the drivers side of engine block.
The cast of The Perfect Blend - 2007 includes: Lin Lee as Grandpa Henry Sandy Shimoda as Lily Williams
Yes, it does have an interference engine. So be sure to check and replace you timing belt often to avoid VERY costly repair.
No, it will normally last the life of the engine.
There is no regular scheduled time to replace a timing chain. They normally last the life of the engine and are replaced during a complete overhaul of the engine.