If you up it to 2 amps for 10 weeks, drop the EQ and primo down to Week 10 also, maybe run a bit of winny at the end say weeks 8-12 Id say you could gain 30lbs.
If thats you in the avatar, then its pretty obvious you know your shit about diet and training. You will grow like a weed on this.
Reason why I say to run Test E, Primo, and EQ up to only Week 10 is because they are long acting esters, they can lag around in your system for up to 3 weeks after your last injection.
I always like to run my long acting esters for 10 weeks, and run short acting esters (like Fina and Winny) up until Week 12. Keeps the strength up nicely.
250mg of Test a week might be enough for you. Everyone is different, but generally 500mg a week is a good starting dose. At that dose, you will likely take full advantage of the gear (make maximum gains), with out wasting any of it (by oversaturatin your receptors, and thus wasting extra test you may pump in).
Weeks 1-10: Test E 500mg
Weeks 1-10: EQ 600mg
Weeks 4-10: Primo 300mg
Weeks 8-12: Winny (50mg ED if its the firs time, if not, you know your dose)
This can equal a solid 30lbs of which you will probably keep 25.