got a set of 450 dsm black tops and a set of 320 cc out of a ford probe/mx6. going to run a probe ihi on my z6 swap 90 crx w/ 7-8 lbs. can i run the 320's or do ya'll recomend the 450's with the tuned rom. i have a safc {5 dial} i can use, and a btm unit, i already run a msd ignition n/a. still gathering and reserching the turbo just don't want problems when i go to boost. any help would be appreciated.

 

If you're going to use an AFC, then use stock rom and fine tune your stock maps, and whatever size injectors you want.

If you are not going to use the AFC and you're going to use the boost ROM, use the 450s, and fine tune the boost scaled maps.