well not to much .but if i was you i would go to a stainless mesh and the pump could do the job but i ran a mallory 500 that was going to be with a blue holley for the Nos with a safty swich set at 5psi .a 140 pump to me sounds like it is just getting by for the engine. but with Nos i would want more pump then 140 even with the holley blue feeding the Nos