Ok...anyone know the fastest long block 5.3? Stock Heads/Cam/Rotating Assembly...I am thinking its probably somewhere in the 11's? Someone, anyone?

 

Flyre went 11.99 in his blown 5.3 check on the fastest truck list in a week or two when its posted back up.

 

ok...cause in about 6mo I am planning on taking my truck to the track with the goal of being the first stock long block 5.3 in the low 11's and hopefully 10's...wanted to make sure it hasnt been done (trust me I plan on leaving the track with a blowed up truck)

 

Flyer had a cam in his though missed the part on the cam. Would be better off throwing a cam in it. IMO you wont hit 10s or even low 11s on a stock cam just not enough lift or duration to make the kind of power you are going to need.

 

You'll need to make a lot of power though to be sure. Let's see if i can get a ballpark.

If an A4 LS1 equipped F-body can get into the 10s with let's say, 500hp to the ground, which makes sense, that means it must be making ~630hp at the crank with 20% drivetrain loss. This is with a race weight of ~3800lbs.

So for a truck with a race weight of let's say 5000lbs, with a 4l60e transmission, you would need to make ~828hp at the crank.

This isn't a fullproof equation, but it's pretty close, just multiply the weight of your truck by 0.1657895 and you'll get the crank horsepower you'll need.

Keep in mind this doesn't factor in aerodynamics, 60ft times, traction, powerband, or anything of actual consequence.

Good luck!

 

2wd rcsb can weigh in at 4300 easily with weight reduction.

 

IF you dont mind leaving with a blown motor I would say spray liek a 250-350 shot of Nitrous and see what youi hit.....if you finsih. Better have some slicks so you stay on the track.

 

I'm at 4370 w/ just the tailgate and spare gone. And I have a hitch, two 10" sub boxes, heavy *** chrome plated steel wheels, two amps, crossover...man I bet I'll have about another three to four hundred pounds to shed if I think about it...MAANNN !!! I NEED TO PUT THE TRUCK ON A DIET AND I'LL BE LOW THIRTEENS FOR SURE !!!

 

wow i had no idea they could loose so much weight.

 

rcsbs are light compared to ec and 4wds Im pushin 5600 with mine though ecsb 4wd with full system tool box full of **** with no weight reduction and me in it with a 1/2 tank of gas myt ruck is a fat pig