i have an ecu done from phearable and i am changing my motor set-up due to possible sales of the car

i had
Jdm B18c Type r fully built head with JUN stage 4 cams
11:5:1 compression supertech pistons 81.5
eafle rods stock crank
rc 310 injectors
skunk 2 intake mani
CAI
spoon head gasket
4-1 semi-race header
fullt titanium race exhaust and race cat
pulleys
aem fuel rail
adjustable fuel pressure reg
and more little things

all running on a p28 w/ S200

i am now changinh out the cams back to stock CTR's

i sent him all the specs for the engine with CTR's and keeping the same compression, can i use this ecueven with the slight bump in compression still

 

any help please, its a noob question i know

 

sure you might still be able to use it....but will it perform at its max performance....probably not