Vs turbo Programming needed

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Re: Vs turbo Programming needed

Postby immortality » Fri Aug 28, 2020 2:07 pm

This is what is possible....


https://forums.justcommodores.com.au/th ... v6.164956/

ENGINE:
STD block
A.R.P studkit
blanced and blue-printed
come racing 4.2 stroker kit
high ratio roller rockers
custom cam
Custom turbo
MACE reverse plenum
MACE 69mm throttle body
MACE 12mm plenum spacer
MACE 12mm manifold insulator
custom turbo manifolds
msd coil packs

EXHAUST:
50mm extrenal wastagte with screamer pipe
3inch turbo back
2 mufflers

AUTO:
trimatic 3speed
3800 TCE stall convertor
transbrake
2 piece tailshaft

DIFF:
santard IRS
L.S.D
3.4:5 diff gears

FUEL SYSTEM:
2 bosch 044's
custom surge tank
custom ruel rails
840cc injectors
STD fuel reg

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Location: Wellington NZ

Re: Vs turbo Programming needed

Postby delcowizzid » Fri Aug 28, 2020 9:58 pm

This is my mates street car it goes 8-9 years on an engine before it needs a freshen up. Stock rotating assembly cam heads and springs low budget car can run 9.96@134mph but we get told off so had to turn it down runs low 10s all weekend does power cruise and used to do every skid comp simple stock vl pump feeding a surge tank and a big external and some 60lb injectors
https://youtu.be/xzaeWSKj1bM
https://youtu.be/o3tZ6bVxPRs
If Its Got Gas Or Ass Count Me In.if it cant be fixed with a hammer you have an electrical problem

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Re: Vs turbo Programming needed

Postby vlad01 » Fri Aug 28, 2020 10:11 pm

delcowizzid wrote:This is my mates street car it goes 8-9 years on an engine before it needs a freshen up. Stock rotating assembly cam heads and springs low budget car can run 9.96@134mph but we get told off so had to turn it down runs low 10s all weekend does power cruise and used to do every skid comp simple stock vl pump feeding a surge tank and a big external and some 60lb injectors
https://youtu.be/xzaeWSKj1bM
https://youtu.be/o3tZ6bVxPRs


Yeah that thing is a beast. But hard to compare the old buick to the ecotec, they are much more tolerant of boost where the ecotec is a bit fragile with it's brittle high silicon pistons with thin crowns and not to mention oiling issues seen in early ones like VS and early VT.
I'm the director of VSH (Vlad's Spec Holden), because HSV were doing it ass about.

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Re: Vs turbo Programming needed

Postby delcowizzid » Fri Aug 28, 2020 11:35 pm

Open up the ring gap they handle the same abuse stock l67 bottomends out there going 650rwhp+
If Its Got Gas Or Ass Count Me In.if it cant be fixed with a hammer you have an electrical problem

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Re: Vs turbo Programming needed

Postby vlad01 » Sat Aug 29, 2020 12:34 pm

Don't L67 have different pistons though? I recall they had much thicker crowns.
I'm the director of VSH (Vlad's Spec Holden), because HSV were doing it ass about.

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Re: Vs turbo Programming needed

Postby delcowizzid » Sat Aug 29, 2020 7:07 pm

They are ever so slightly thicker but it's bugger all but most piston failures are the top ring butting when it gets to hot and the crown breaks
If Its Got Gas Or Ass Count Me In.if it cant be fixed with a hammer you have an electrical problem

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Re: Vs turbo Programming needed

Postby vlad01 » Sat Aug 29, 2020 8:11 pm

Ah ok, yes but I have seen them fail easily from detonation as the material is brittle. One guy I knew years ago killed 4 stock NA ecotec in a row from detonation due to a china walbro pump under-delivering and leaning out. In all 4 engines the crowns shattered.
I'm the director of VSH (Vlad's Spec Holden), because HSV were doing it ass about.

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Joined: Thu Apr 09, 2009 12:31 pm

Re: Vs turbo Programming needed

Postby immortality » Sat Aug 29, 2020 8:40 pm

That would be the down side hypereutectic pistons.

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Re: Vs turbo Programming needed

Postby vlad01 » Sat Aug 29, 2020 10:15 pm

immortality wrote:That would be the down side hypereutectic pistons.


Correct.
I'm the director of VSH (Vlad's Spec Holden), because HSV were doing it ass about.

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Re: Vs turbo Programming needed

Postby delcowizzid » Sun Aug 30, 2020 7:18 am

The detonation heats the crown up the ring butt's shut and it tears the half moon out of the crown we all used to think they just shattered but I'm pretty sure it's just ripped off haha
If Its Got Gas Or Ass Count Me In.if it cant be fixed with a hammer you have an electrical problem

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