1.) will a 3rd gen manifold fit on 2nd gen? im looking at aftermarket manifolds and where it mounts to the engine looks the same the routing is different but the way the 3rd gen is routed it looks like it would put it where i want so would it bolt up

2.) if i use stock injectors for primary how big should i go for secondary? here is my set up..

MS ecu
race ported
3mm seals
70trim turbo
front mount
40mm wastegate
full suspension(not that it matters)
255lph walboro pump