Built motor 5.4 boss BA XR8 Enforcer dyno run

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Quick vid of the xr8 on the dyno at maxx performance.
Mods list:
Built bottom end with manley 11.5:1 pistons.
Boss 290 heads (not ported)
Comp 270xe cams 230/236
Mmr chain and guide kit
Mellings billet oil pump
DiFillipo 1-7/8 headers
DiFillipo twin 3inch exhaust system
Standard intake plenum/throttle body

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Опубликовано:

28 янв 2020

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Комментарии : 41

@danielmillard8134 3 года назад

The Boss 5.4 engine needs more attention. I think it is a great engine and underrated!

@Fletch889 2 года назад

I'll do another video soon. The car now has a yella Terra intake plenum with twin throttle body. Makes around 340kw now

@digisuboob Месяц назад

and he was never seen again

@harryadsett1349 4 года назад

And people say the boss can’t make power!

@marklowe7431 3 года назад

Yep, if an LS (6ltr NA) makes 500hp it's awesome if a mod 5.4 does it it's a let down.

@meilamations533 2 года назад

LS motors are way overdone these days, its boring. so if i see a good ol 5.4 make some power its awesome

@bluespig1 2 года назад

The 5.4 has powered some incredible cars from the USA over the last 15 years. Every engine has its weak point, which is what makes a great engine builder.

@Elguapo93 2 года назад

Best sounding xr8 I’ve heard

@jasonporter8338 3 года назад

Yeww. Sounds mint. And saw turbo taxi in the background too

@change_your_oil_regularly4287 3 года назад

Good to see a boss and not another barra6 or ls

@tholmesy26 3 года назад

Sounds amazing! Like the cold air setup to very nice

@Mr357Cleveland 3 года назад

Sounds great.👍

@montecarl11121 4 года назад

Thats awsome mate!!!

@MartyrsShrineBand 3 года назад

Man that pulls hard. Can't recall oldschool muscle reaching those kind of revs...

@simonmillar9161 3 года назад

could you do a walk around of this be interesting, goals for my xr8

@marklowe7431 3 года назад

Crap load more torque too. Cool of you to post the specs too. It would seem the guys at Maxx have it making it's peak without head porting.

@Fletch889 3 года назад

Yeah mate. Its pretty much at its limit at the moment. It still runs a single factory throttle and intake plenum which is slowing the airflow down at high rpm. I plan on fitting a twin throttle plenum soon. But I'm on the hunt for a forward facing one not the usual side entry.

@arthurapostolopoulos2307 2 года назад

@@Fletch889 hi I'm doing mine up at the moment if you don't mind what's been done to it

@jcaj9002 3 года назад

What are the flow numbers for aussie heads

@upinarms5752 2 года назад

Hi everyone. Can any body tell me what compression ratio this is running.

@nicherme4775 3 года назад

What mods have been done?

@lvpo8866 2 года назад

Sounds amazing. Looks amazing. What colour is the car? Envy Green?

@Fletch889 2 года назад

Cheers mate. Yeah it's Envi green

@tturi2 Год назад

I'm hoping mine makes similar power, t56, 3.45 diff, gtho cams instead though

@kostakaramanlidis3174 2 года назад

Hey mate what CAI you running?

@Fletch889 2 года назад

It was a bluepower box but in this video it had no air cleaner. A few runs previous we realised the filter was very dirty and needed a wash. I did wash the filter but didn't refit it until it was dry after the dyno session.

@joshuawatson9486 3 года назад

That's tough what'd the engine cost to build

@Fletch889 3 года назад

Sorry for the late reply mate. I had a lot of the parts bought over from the US and assembled here. All up it owes me about 12k.

@Mr500RWHP 4 года назад

Is that the factory colour? Never seen a BF in that colour...

@Matthew330ba 4 года назад

Mr500RWHP it’s a BA, 2005 model commemorative edition

@fnp865 3 года назад

Colour is called Envi. I thought that Envi (and the Enforcer for that matter) were BA but the car looks BF - think it's just got a BF front bar and tail lights.

@tturi2 3 года назад

ba mk2 colour

@marklowe7431 3 года назад

It's an awesome colour.

@Fletch889 3 года назад

As mentioned already its Envi green a factory colour for a BA. Ive had a BF front bumper fitted as i like the bf look more

@tturi2 3 года назад

what cams man?

@Fletch889 3 года назад

Comp XE270 mate

@jcaj9002 3 года назад

440whp !!!!