I have a tpi set up that i am goig to put in a 87 chevy v10 i have heads 170 or 180cc intake not sure heads are over 20 years old that i got from my dad that are brodix str 605 that he got before i was born. 9.6:1 compression ratio grossvalve lift of .462 and .480 duration 262 and 270 lobe separtion 111

 

24lb will work fine in that set up,i do have a set of Lt1 24s for 40.00 shipped

 

how old are the injectors

 

they have 89k on them worked fine,removed to instal 36s