300xs DBR 1.1 or 1.3 software

[2jz]

Thanks so for 100% both 1.1 and 1.3 require same mods just air temp senor replacement? And cowl mod. This is the fuel rail mod someone told me. Souds like a good idea.

I don't know why mercury does that but Don t think it's fuel cooling because it's on one side of fuel rail. Optimax 250-300 has compressor water supply bypass fuel rail. 200 225 has water supplied from fuel rail