Jadedbird

iTrader: (27)

how much boost are you throwing at your cast iron motors with stock bottom ends?

just wondering if there are any new guys.. ive seen these things handle like 600 and 800 rwhp and like 15 lbs of boost all day...

just wondering if we got any personal stories?

RedRocketZ28

iTrader: (19)

Mines an 03 LQ4 with stock bottom end. Running right around 14.5 lbs and put down 606/570 through a 4L80. Only have about 1200 miles on the setup though, but it's been driven fairly hard.

JoeyGC5

iTrader: (24)

I added a boost controller (finally) to my 5.3/pt88 combo and through a 4l80e and 14 bolt, in my 01 GMC scsb, 19lbs made 718hp to the tire. But doesn't mean anything until it works at the track.

9sectruck

iTrader: (9)

looking to put low 20s through the 5.3, looking for mid 700hp on the tire

skinnies

iTrader: (33)

Maxxmitchell's 6.0 we made 800+ rwhp on 18lbs with a gt88, ran it up on 24lbs with the same combo.

typhoon1015

iTrader: (5)

03 lq4/with rodbolts 767whp on 15.5psi gt4276 on e85 hopefully lean on it a bit more this summer

therealthatguy

iTrader: (23)

07 5.3 with rod bolts 626hp on 12psi

dudeman

iTrader: (43)

never dynod but stock bottom end LY6 went 8.81@161 at 3050# on 17psi on a garrett budget gt91

9sectruck

iTrader: (9)

THATS WEAK.
no seriously that car is bad ***, its amazing how things have changed from 3years ago

stock48

iTrader: (17)

Maxed my S480 out at 25psi. Times in sig were at 20psi with 76mm and 930rwhp. S480 at 20 psi is already past the 76mm... Was going to make a pass at 25psi but truck is faster than I care to go with no safety equipment, and for me that's pretty nasty lol

Jadedbird

iTrader: (27)

Enough said. I will probably sc mine with a f1 in a year or so. Ill probably push 10lbs just to be safe.
The heads i will have will be built enough to handle the pressure
(Brian tooley or PaC springs, hardened pushrods, ls7 lifter, stock gm rollers, katech bolts, ls9 gaskets, rofessionally hand ported, might do something with those valves after i turn up the boost

Jadedbird

iTrader: (27)

Some crazy numbers on some reliable motors.. Looks like iron is the way to go

JoeyGC5

iTrader: (24)

Don't forget the Aluminum block guys , such as Atomic6

Jadedbird

iTrader: (27)

The Aluminum block is nice. But a 6.0... Theres no replacement for displacement.. And Idk i like the sound of an even number :haha:

JaYZeig

iTrader: (11)

02 100kmile lq4 stock bottom end stock rodbolts, with a turbo cam and headstuds...

10psi boost 640whp/670tq...and i am NOT gentle on it

Black98s10

Ls2=aluminum block 6.0L,

Jadedbird

iTrader: (27)

Yes but its a gen 4 engine and 58x reluctor.. I dont wanna have to pay for a converter

Black98s10

I hear ya.

9sectruck

iTrader: (9)

05-06 gto ls2 still used the 24 wheel

Jadedbird

iTrader: (27)

Are you sure? Seems live everyone ive seen said 58x. And even if you build em thru texas-speed and such.