3.8

Heya! I’m new to the whole idea of car modding, in the near future I’m planning on swapping my 3.8L with a 5.7L, I’m not at all worried about price as it’ll be a work in progress, but I’m just wanting help with the list of things that would need to be swapped out or replaced. I’m assuming...

Help please. Cooling system pressure test = slowly losing pressure. Can't find any leaks or hissing noises. Engine compression test is constant 150 at operating temperature. New MACE inlet manifold gasket, new thermostat. When trying to bleed, it has occasional bubble coming up through the...

There’s hundreds of threads with most likely a similar situation I’m dealing with. I’ve scoured the forum for anything almost mirror copy of my issue but can’t find an exact complaint. It’s a 3.8 auto Trouble is past couple months temp gauge has been fluctuating, going up and down as it...

Hi all, I have a 2004 VY and the motor has kicked the bucket I’m wondering if I can pull the ecotec out of VS. and put it in my vy. Does the loom all fit up correctly. Is there any major issues I’ll come across The car is going to be track only so small things I don’t care about like gauges...

Currently trying to connect a SAAS Muscle Series Tacho to a VX Ecotec. Tried pretty much every wire that has power to it in the ignition module as well as wires near the firewall and a few others. The Tacho just sits at 1200 rpm and doesn't fluctuate at all. Any ideas or just a faulty tacho?

Hey guys, I understand this has probably been asked before but I've just joined "just Commodores" and have a quick question. So I'm replacing the motor on my calais as it has finally let go after 360.000ks and a full day of hooning on the track. I'm just wondering when you separate the motor...

Hey guys. Needing some help diagnosing a rattle. So I own series 2 vp exec 3.8 auto and for about 2 weeks there's been this rattle at the back of the motor that started out small but has got real bad recently and I cant quite pick what it is. To top things off last night after work my trans...

Hey everyone, so I blew my motor in my vx bout a month ago and brought a motor and box out of a Vy with the loom, I was wondering if anyone know if it's straight plug and play or if there's any differences between the 2 , cheers

Hi guys, I have a holden vp v6. I went to change batteries over and i accidentally put on the battery ports on the wrong ones like a idiot and it sparked up and i have checked fuses under steering wheel and they are all fine? Thanks.

Hey guys, Just wondering if anyone has thrown a commy V6 into an X-trail or something similar? Mine shat itself recently and i thought, hey why not throw a commy 6 in it... as an X-trail engine is gonna cost me my kidney. Any info or suggestions would be appreciated. cheers, Kolby

Hi all, Iv got a rear main leak, after taking the plate off the back of the motor I noticed a groove in my crank. Is this standard for a car with 140,000ks? Is this something that has to be rectified before installing the new plate and seal? Cheers Scott

Hey guys just another post about swapping out my 3.8 and trans. I pulled out the motor and box in the shed a few weeks ago, and ive got myself a parts car now so im ready to rip this one out and chuck it in my good car. So im wanting to take motor, trans and also the lsd diff, and ive been told...

In my ecotec 3.8 v6 2000 commodore, the fault codes are suddenly: Idle speed error, Cam angle sensor (no signal), and Low speed fan fault! I replaced the cam angle sensor upon getting these fault codes. No change previously diagnosing why it wouldn't start, the fault codes were standard...

Hey folks. Ride is a VXii 3.8 supercharged. Had the car 3 years, very reliable, always started first kick. Three weeks ago i blew a heater valve in heater hose line. Engine beeped very hot, computer appeared to shut down engine and i was roadside for a day...

G'day guys so dads VX series 2 equipe wagon has just hit 420,000km, its pretty much stock, just the usual tradie extras (roof racks, cargo barrier, boot and back seats loaded with tools) mechanic has told us that cylinders 5 and 6 are really low on compression compared to the other 4, he's...

Yo dudes, so the other day I was cleaning my car checking oil etc as a potential buyer was coming to have a look at it. Anyway was running fine before then when I started it to move it out the garage all hell broke loose and it just started shaking and misfiring on idle. So I drove it down the...

hey everyone, just thoughts over the last few weeks, putting a plastic manifold on an ecotec 3.8 from the buick regals, bonnevilles etc.. ovbiously loom, plugs etc. would have to be modified but im going to give it a shot in the next few weeks on a sparey ecotec. any ideas, know of...

Hi all just picked up my first car and first commodore and need a bit of help it is a 1993 vp calais hsv enhanced everything is working fine except for the aircon vents at the windshield and the cruise control any ideas on whats wrong? any help will be appreciated cheers!

Hi everyone. I am looking to purchase a few mods for my VTII V6 and I was wondering if anyone could post back with some helpful suggestions as to which particular part or brand best suits each category. The following type of mods will be bought and everyone's own personal opinion would be...

Simply i want to know how to milk the power out of these classic motors...my vc commodore has one out of a vr and it already has the plenum removed from the manifold, high flow panel filter, mendrel bent 2.5 inch exhaust-straight through cat, straight through muffler and a glass pack hotdog...