It does look small in the the pic for some reason, but it is 3/4". It was a pain to get hooked to the turbo because the fittings are so big.

 

Thanks! It's a frusterating point to be at lol. So close yet so far away.

 

Yeah tell me about it!!! I done this same thing to my 454ss last summer. I missed the big block so I swapped it back out 2 weeks ago.

 

Yours is much cleaner than mine! I don't have enough patients to work on something that nice!

 

Did a bunch of screwing around this weekend and I think I've narrowed my problems down to the MS3 Box. Called efi source and he wants me to send it in so he can check it out. Basically the thing runs fine when I unplug #6 injector obviously missing on one hole, but AFR goes right to the commanded 14.0. Plug injector back in and wham 10.1 AFR and fouled plug.