what will i need to do a tbi swap into a 74 k5 with a th350? parts i have so far, the complete motor with all the sencors, computer, and all the motor wireing. do i need the dash wireing and cluster? does an 89 k5 have a speed sencor if so how do i get to work on my 74? any info will be a big help this is the first time that i done a efi swap before so im lost looking at it.