As the title states how many NA rc 5.3's are in the 12s and what is your set up?

 

I think the general way to get a single cab 5.3 into the 12's is:
Good sized cam
3k stall or bigger
Limited slip and 4.10's
Full exhaust
and a good tune.

That right there should at least put you at a LOOOW 13. Some bolt ons like Fans, underdrive pulleys, intake etc will net you at least another 2-3 tenths total

 

Yeah that's what I have planned. Just wanted to see how many NA 5.3s are in the 12s there are 4 that I know of on here so seeing if there were any others that I didnt know of. Not going for the record or anything but if I can get to Mid to High 12s with a 5.3 I will be plenty satisfied

 

v8 bluecajun and a couple guys from the valley.

 

TR220/220 114, 918s, 7.4" hardened pushrods, K&N FIPK, E-Fans, 160 t-stat, MSD wires, ASP Crank Pulley, Pacesetter LT's, Full Single 3" Exhaust W/Borla and 3.5" E-Cutout, Fully Built 60E, 3k Vig T/C, 4.10's with Eaton Posi. Basically all the boltons and cam....

 

Id also excited to see what my truck wil doo....trans go hd2, 2nd and 4th servos, zinplate, aluminum accum pistons, dela efans, Aem intake, tb spacer, 212/218 cam, 918 springs, 2600 stall, 3:73's, Shorty headers with dual 2.5" eahaust, and a solid dyno tune at 93 octane...hoping for some low 13's...Latitiude and tmeperature is a big factor too.

 

check out the fatest truck list...gives the mods....good referrence...rnage anywhere from 12.5's to 13.5's with these kidna mods

 

Don't forget a good amount of weight reduction in addition to those mods.

 

Very important.

 

you might not need a 3000 + stall converter to get in the mid 12's, but i'm biased lol.