10 Warriors in a Raider w. Lance and Racks = 155
So 2 of those equate to - 310
You can get 5 Warriors in a Venom for 105 (120 with a Blaster) or in a Raider w. Lance for 100 (115 w. Blaster)
So, for 310 you could do; 3x Venoms w. 5 Warriors = 315 so it's a 5 point gain, but honestly I have no idea how maxed out your points is or is not. If you are right on the line then, yeah, you'd need to adjust to do that.
Quite frankly, if it were me, I'd probably go 3x Raider w. 5 Warriors w. Blaster and would peel off the extra 35 points elsewhere because with Razorwings whipping around I see little value for Gunboats.