This BABY LS engine rips!

The GM LR4 4.8L LS based engine is not a common sight in Australia. George Voutsas of Pro Flow Fab & Dyno runs us through some of the background on GMBOSS, a very clean Holden Commodore fitted with this turbocharged combo that has been setup from front to back.
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This baby LS engine rips! | fullBOOST

[@schoona90]

‘Sounds like it makes more power than it does’ That’s every NA LS1 with a cam 😂😂

[@schoona90]

Correction: aftermarket cam They only have 1 cam lol

[@PUNCHARD800ftlb]

LOL remember when people boasted about a 3/4 race cam

[@hayden6056]

​@@PUNCHARD800ftlbstill bragging about stage 13 unfortunately 😂

[@russelllarsen199]

Shout-out Richard holdener, he is the king of knowledge of 4.8lt and their capabilities.

[@griffsrearmountturbothemod1623]

I really enjoy listening to the both of you. Knowledge and humour is a good formula 👌

[@practicaldesign4100]

As an American it's hard to imagine a 4.8 being rare, I'd expect every junkyard in America has at least 10 of them. Good to see more boosted 4.8s!

[@pk-so1mj]

5.7, 6.0 and 6.2 were the engines used here, so we didn’t see any of the small capacity stuff, all in Holdens since our own 5 litre v8 went out of production in the VT Commodore and the last of the VS utes.

[@francfurian8215]

No 4.8's or 5.3's were ever used here for some reason???

[@wobblysauce]

@@francfurian8215 We got places to be...

[@tturi2]

​@@francfurian8215 only camaro or corvette engines basically

[@practicaldesign4100]

@@pk-so1mj Interesting, are any of those an Iron Block? To my understanding our 4.8, 5.3 and 6 liter chevy truck "ls" engines are all Iron Block and are nearly identical weights.

[@brycemarten6580]

Who doesn’t love an immaculate VS sleeper 😍

[@TURBOTRISTO]

If George built it you know it’s ‘ A Hundred pa cent!!’ Love it sounds tough I like it better than normal ls sound

[@adamloader9534]

Super cool, clean and fast Sleeper. We can’t wait to see what it runs at the track!

[@fossilfuelenthusiast]

Comes on strong and stays strong. Impressive

[@txddyfarquh3916]

I luv the fact that everything still hides under the Bonnet making it Sleeper AF lol.. unlike some others where the manifold protrudes ever so slightly thru the hood

[@gavw667]

Here’s to the guy who said this channel should be called Full Barra Boost 😉🤣

[@fullboost]

FulleLeS 👍

[@Healthliving1967]

@gavw667 and yet the owner is wearing a Barra king t-shirt lol😆👏

[@user-pq5eb9wd6l]

@@Healthliving1967the barra, the king of blowing up gearboxes and snapping drive shafts the barra is literally the only reliable part of a falcon…maybe the headlights too if they’re not faded to the shitter😂😂😂😂

[@tturi2]

Fullev

[@Healthliving1967]

@@user-pq5eb9wd6l 100%.

[@davydoo81]

“That’s really harsh, I thought we were mates!” Lol, so 00’s!

[@nathanperry7392]

We need more project no mang

[@antd-jy9ds]

did anyone else notice the silicone connector balloon at 8:00 under boost? 😂

[@billetbarra6069]

Barra King!

[@builtbybagsy]

Super clean.

[@onedayiwillmakesomecontent]

So George.... when are pre-orders up for your shirt?

[@proflowfab]

They're already available on my website

[@goz7569]

Holdens go harder in wet weather 🍻

[@fullboost]

GMBOSS 4.8L turbo 😉 *fullBOOST Merch* 😁👉 shop.fullboost.com.au/collections/fullboost

[@tupacthedon7221]

hi mate funny thing i used to own them number plates gm boss i had them on my vl turbo i was the first to own them

[@Rexy888]

Surely being a factory ecotec added some killawaatts😂😂#mangforever

[@hyper8545]

Great little v8

[@tighematthew]

Awesome build 👌

[@brycemarten6580]

Fuck I wish I wasn’t on the other side of the country I’d love to meet Jorge seem like an absolute top bloke 🤣

[@Trpmanne]

Sounds amazing

[@Doc_in_the_carpet_truck]

Sounds insane 👍

[@krtacct]

that car just sounds so pissed off at WOT. love it👍

[@jameshatton4211]

This thing is nice. I'm a lover of small cubes and big boost. This thing would do great with medium sized twins and huge waste gates. That way you can run smaller rear housing and then it will smash early onto boost hard.....but where everyone thinks your turbos are going to choke the motor; that's when you open those crack those big gates a pinch and let some of that back pressure bleed off exhaust enough to keep spinning the turbos at peak boost, but not restricting the flow of exhaust! There's no need for huge rear housing that's an old myth that you need the flow to create big horsepower and lag is inevitable.,.... Wrong! Small housings and big gates for the win. You can use EGTs to become more precise or you can just build a 3D mapping a boost curve with peak boost being constant. Lastly electronically controlled waste gates are the best investment as guys in drag racing are already using CO² setup with bottle adding weight just to compensate for boost control. E gate gives you full control of boost. Make the gate aperture way way larger than you think and you are winning

[@moe.2650]

Let's hope the bottom end holds up😂 just add more boost = more hp 😂

[@xozindustries7451]

If you want to have a real good time out that 4.8L crank in a 6.2L block with the rectangular port heads and that turbo

[@ACCELGarage]

Killer build GV, how's the swell on the silicone elbow :0

[@schoona90]

Fell asleep waiting for it to make it to the 21st century

[@aussiecarbogan]

Love this car, it blew my socials up when i first filmed it.

[@proflowfab]

Your vid was the one I referenced when calling it "Australias best sleeper"

[@aussiecarbogan]

Thank you mate, i really appreciate it. Still growing across my socials today.

[@proflowfab]

You can do my car next if you want to blow them up again! 😂

[@aussiecarbogan]

Im keen as, im now teamed with Roadragemedia and there stuff is going ballistic.

[@tturi2]

GM Boss, hiding a Boss 260 under there? 😅

[@sidbobby3233]

Could listern to that car all day 😎🙏👊👍✌🇬🇧

[@A_lesson_in_Hate]

5.3 dish pistons 4.8 flat top pistons.. just remove a plug

[@kaybee9363]

So George.. 👌

[@pgilb70]

How was the structure beefed up to handle all that grunt? Guess it's in another vid?

[@dalebickham2666]

So George

[@bigal878]

Grouse car 👍🇦🇺

[@sidbobby3233]

Love this car 😎🙏👊👍✌🇬🇧

[@ChristopherHallett]

Why would you bin a Turbo 400 and replace it with a pooglide?

[@darwonboyful]

That's fkn cool

[@snakepliskin2297]

4.8 isn't a small engine and a g42 isn't exactly a small turbo either lol you smoking your souvos re? but I get it. Cool setup. I'd have put in far more comfortable seats lol

[@qizza7142]

A 4.8 is small for a v8

[@grahamparsons1070]

So tidy, those seats look awesome/low key. Sounds 🍆

[@mahcooharper9577]

It's awesome yes, but I'll have to be that guy and say that if that's an original body it was too nice to modify.

[@vongdong10]

WTF how does it make so much power with the stock internals? Is E85 the secret sauce?

[@stevencuenca1980]

Boost, quality and quantity of fuel I guess🤔

[@mifo2000]

My Barra makes 100rwkw more on pump E85.. Its great for weekend warriors. Also run flex fuel sensor incase we go for a big drive and get stuck needing to use 98, the car will remove timing according to the Ethanol content in the fuel

[@dilsher12]

​@mifo2000 Ah yes the infamous 1000hp $2k Barra strikes again

[@mifo2000]

@@dilsher12 2k Bara? just my e85 and 98 fuel tunes cost that.

[@trentmadden749]

Anyone know which rear housing it runs ? Cool build 💪

[@johnkraft7461]

How do you say "100%" in Greek? Asking for a friend 😆👍

[@fullboost]

Ekato tis ekato

[@johnkraft7461]

@@fullboost Mr Proflow's next T-shirt, I'd say 😉💪

[@bigblockfantasy]

Never late with a 4.8??? 🤷🏽‍♂️

[@robmotown1]

Or an 8.8…..aka 540ci

[@ChristopherHallett]

Nevermind the bollocks, we want more Project Mang! Reply to this comment with "100%" if you agree!

[@proflowfab]

100%

[@mrbags5497]

Disappointing video, George only said 100% once. Unsubscribing.

[@proflowfab]

I tried really hard not to

[@mrbags5497]

@@proflowfab 🤣👍🏼

[@picklerick9521]

850-900 HP with a stock bottom end... BULLSHIT!

[@fullboost]

It's been done many times on these engines perhaps do some research. 👍

[@trentmadden749]

Can make more fairly reliably on an LC9 (alloy 5.3)

[@lachlanwoods3940]

Key word there bukko, alloy! 👎👎

[@Whatmurdaaaaa]

😂😂😂😂😂 the ending