ok GUYS I HAVE A 91.5 W250 CUMMINS RIGHT NOW all ive done to it is ported the exhaust manifold and tweaked the injector pump i have a set of 90 horse bosche marine injectors and was wonderin what kinde turbo i should get or if i should just go ahead and get twins because im not plannin ion stayin stock for very long havent putt in the injectors yet i pulled emm outa my dads old 92 cummins and dont know how to tune my injector pump for them im porbably just going to go to the diesel shop in town an have it done butt should i go with a bigger turbo or smaller if so what kind cause i dont have a clue Thanks

 

s300 maybe that will get the ball rolling

 

that all depends on how much cash you wanna drop. you wanna do it cheap, run an hx35 or 35/40 hybrid. next stup up go with an s300 or super hx40. if you wanna get real spendy go with like a super B or a phat shaft or soemthing really nice