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[Ecotec] Horsepower capabilities of the ECOTEC v6

vy berlina

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Vy Berlina, series 2, ecotec v6
for the limits of this progect 10 thousand on an ecotec isnt out of the question, i agree nos would help but for this progect the car must remain realiable enough to be used as an everyday runabout as well, and nos would eventualy make it unrealiable. I was thinking more along the lines of bolt ons etc.
 

Kieran263

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For a reliable daily I'd say you need plenty of low down torque. A decent set up for safe daily use, in my opinion only, would be:
Full Exhaust: Headers, Twin 2.25" pipes. (Budget max of $2,000)
4.3 Stroker Kit : $2,500ish
Aluminium Heads : $3,000
69mm throttle body : $220
Mace 25mm manifold insulator : $220
Mace 12mm plenum spacer : $150
And that leaves you plenty of cash for a MAFless tune.
Feel free to debate my list/prices, there's no way I've remembered everything.
 

Claudy

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I've spent about 3grand max on a turbo setup including fuel system, making my own manifolds, intercooler, all pipe work, reverse plenum, exhaust and tune and I ended up with 267rwhp and I've been driving it as my daily for about a month with no problems and is still pretty good on fuel. Out of a full tank of 98 I get between 450-550kms
 

one_and_only2004

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Well I went
CAI
Pod Filter
Mace 69mm Air flow sensor
Mace 69mm Throttle body
Mace 12mm manifold insulator
Mace 12mm plenum spacer
Jack Bros. Engineering heads
Raptor 10psi Intercooled Supercharger
Comp Cams Stage 2 Supercharged CAM
Yella Terra 1.8 Ratio Roller Rockers
MSD Blaster ignition coils
Redback extractors
Twin HM 2.5" High-flow Cats
Twin 2.5" Manta Maloo Exhaust

I managed 237RWKW and 490NM.

I would love to know what power is achievable, both in a NA application and forced induction.
I can only vouch for centrifugal supercharging.
Are the cars still reliable once modified?
My ute was extremely reliable at 10psi - it would see LOTS of revs everyday and still be quite content to do it again and again. When boost was upped to 12psi problems started arising causing a small amount of grief, but when 14psi was obtained things just became completely unreliable and I couldn't leave my home town in fear of breaking down on the side of the road.
what increase in fuel consumption could be expected once modified?
Stock standard my ute used 9L/100km. After the NA mods were completed it rose to about 11L/100km. After FI was added fuel consumption went down to a genuine 7L/100km. Obviously if I drove spiritedly fuel consumption moved into the 99L/HR window.
What would some of these modifications cost?
The supercharger setup cost about $5000 all up. Cam cost about $2000 including labour and other things along the way. All up to make 240RWKW all day everyday reliably it cost around $12000.
Would the car remain street legal once modified?
Oh hell no. 90% of my emissions gear was compromised/removed. My PCV system vented to atmosphere, as did my blow off valves. No enclosure on the pod filter, Plus holes in the guards for intercooler piping, along with extensive "re-engineering" of the reinforcement bar to fit the new front end in along with the intercooler. Nothing was engineered, but it still passed road worthies in NSW every year for 2 years.

Hope this helps you
 
Last edited:

vy berlina

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Vy Berlina, series 2, ecotec v6
Well I went
CAI
Pod Filter
Mace 69mm Air flow sensor
Mace 69mm Throttle body
Mace 12mm manifold insulator
Mace 12mm plenum spacer
Jack Bros. Engineering heads
Raptor 10psi Intercooled Supercharger
Comp Cams Stage 2 Supercharged CAM
Yella Terra 1.8 Ratio Roller Rockers
MSD Blaster ignition coils
Redback extractors
Twin HM 2.5" High-flow Cats
Twin 2.5" Manta Maloo Exhaust

I managed 237RWKW and 490NM.



Hope this helps you

thankyou one_and_only2004

thats exactlty the type of information i was after.

keep it coming people
 

Dr HaxZaw

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I just got an exhaust put on my VY.

Pacemaker Extractors
High Flow 100cpsi Cats
2.5in Sports Exhaust

Went from 118rwkw to 130rwkw. Everything else on the engine is stock although i have just put a high flow filter and new spark plugs and leads on it but no dyno.

Cost $1700 fitted
(feel free to use the dyno graph as teachers seem to love graphs)

Car Dyno No.1 001.jpg
 

vy berlina

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Vy Berlina, series 2, ecotec v6
I just got an exhaust put on my VY.

Pacemaker Extractors
High Flow 100cpsi Cats
2.5in Sports Exhaust

Went from 118rwkw to 130rwkw. Everything else on the engine is stock although i have just put a high flow filter and new spark plugs and leads on it but no dyno.

Cost $1700 fitted
(feel free to use the dyno graph as teachers seem to love graphs)

View attachment 112408

Thankyou Dr HaxZaw, teachers really do like graphs :rofl2:

@one_and_only2004
do you have any dyno printouts of your car? and also any imformation/threads about problems encounterd etc?
 

vy berlina

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Thanks mate,

anyone elso modifying their v6 and wnat to help me?
 
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