mpi viper

Researched this topic but did not hear the exact answer I am looking for... I let a guy use my 2015 Viper that has the MPI full kit. Brings it back and it wouldn't start right up to unload, which it always starts up easy. I always let the fuel pump cycle wait a second longer than crank up and...

So I just picked up a mountain sled (3.7 km) and got the dealer to install the stage 1 mpi turbo. I'm not sure what it's issue is but it will take forever to start when it's cold -20/heated garage no difference. I tried tightening the battery and solonoid connections. Which seemed to work at...