Gunrock_T/A_0811

iTrader: (1)

Ok so I have a 5.3, torquer V.2, Circle D 3800, 25% UD pulley, L/T's, ORY, Catback, SLP 85mm MAF, FTP lid, GForce tune. Car made 324/304 on G-forces dyno. Went today to a dyno where I live in NC to get a baseline before the cutouts, and spray and car made 367/363. Weather was about 85 degrees, 80% humidity and raining. DOnt know the weather on my houston pulls, it was HOT and humid. The numbers I got today were from 3rd gear, car of course downshifted into 2nd so I don't know how accurate that is, but with this cam Ive only seen numbers on an LS1 a little higher and thats with an M6. Think that this could be a 5.3 block bored to 5.7?

whatsa347

iTrader: (6)

no, I'd be angry if I owned an ls1 with a cam like the V2 and made 360 with spray. That's definitely a 5.3

Gunrock_T/A_0811

iTrader: (1)

367 n/a!

whatsa347

iTrader: (6)

my bad, even so, I mad 400 rwhp with a ls6 crate motor on that same dyno in even hotter worse weather last year. I skimmed your other thread, you bought it from a dealership am I right? I wouldn't get to caught up on numbers man, go run it at the track and see what it does.

s346k

iTrader: (4)

the car seems to make an awful lot of tq to be a 5.3 engine.

work in progress

iTrader: (2)

I have a friend that made 337 rwhp unlocked with a 5.3 799 heads and a 226 cam

Gunrock_T/A_0811

iTrader: (1)

track day friday so we will see, before the cam, just headers no lid I was running 13.3's on street tires. Now I have tires, the cam, Full boltons, and tires so we shall see. Didnt make sense that I was keeping up with LS1 cars with a 5.3, going to pull the heads soon to measure but just thought I might get an estimate with numbers. I left my charts at a buddys house, they have the weather info on them I think so I will try and see what the DA is and such.

Ws6Dnero

iTrader: (23)

you have a 5.3 in a trans am too

Canbarelygo

in all reality the 5.3 is so similar to the 5.7 it doesnt shock me youd outrun ls1s especially with your setup. i wouldnt worry about numbers and its not like a 5.3 is going to drasticlly under perform because its not a 5.7 hell people have made tons and tons of power and run crazy times on a stock 5.3 short block

Pocket

iTrader: (22)

First off, just look at the engine and see what you've got. Between the alt and PS brackets is a number cast into the block

If it is a 5.3 punched out to 5.7 you wouldnt notice a SINGLE bit of difference