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Holley 600cfm vac secondaries. Had 450cfm holley tunnel ram carbs but they were junk

Plugs went from chocolate brown to slightly lighter. Slightly lean but definitely not too lean. Being tunnel rammed the timing is 25 degrees advance with 8 degree mechanical advance at 3800rpm

Fresh fuel, filter is clean

Hey. I've got a vs ute project that I've put my old 308 into with a th350. The 308 is 10:1 compression, big cam, JE forged pistons, yella terra roller rockers, decked block, arp throughout, tunnel rammed, new holley carbs, new ice ignition setup (coil, leads, dizzy, 2 step ignition module with...

Hey HSV08, I've got a vs ss 5 speed manual that has gone into limp mode. It wont throw any fault codes (but I've heard this is part of the whole LHM cutting communication) any ideas on how to get it out of limp or to diagnose the issue when scan tools wont communicate with ecm? Any help is...

Hi, I've got a 1996 VS SS factory manual and I've got fault codes 67, 69, 73, 74. All these are automatic trans faults. Why would I be getting them on my factory manual holden? ECM is the factory 5.0l 5 speed manual. Any help appreciated thanks.

Hey everyone, I've been trying to look but cant seem to find any solid answers. Hoping someone can help me out with info. Now I have a 1996 vs ss with 5 speed manual (factory). I got the car knowing it wasnt running right. Its had a fairly big cam put in it (untuned) and has also had a resistor...

Hi, is the VX SS 6 speed manual driveshaft and the auto driveshafts the same? Interchangeable?

Nah sounds nothing like that, the most similar sound I can refer it to is like when a car goes on a dyno and they bring wheel speed up and then put load on and exhaust note changes ready for the run. Or like when car goes into overdrive. It does it weither power button is on or off on trans but...

Plug gaps are at 1.3mm at the moment so will close them up to 1mm and see when I get home. Will see if I can source a stock memcal and try that also, that kind of feels like what it's doing, give it a boot full and changes the timing and runs like a bag of ****, take my foot off and put it down...

Hi I've checked out a few threads and can't seem to find an answer so hopefully someone can help. I've got a 2001 supercharged v6 vx and it has had a couple of modifications, wildcat headers and free flowing exhaust, 10psi pulley, cold intake and hsv memcal. Car runs fine cruising and half...