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the fans get adjusted in the ecu
we normally run them around 100 degrees on and 95 or 90 ish off
factory fans tuen on low speed at 108 and hi speed at 118
and yes they run them very hot for emissions
the only prob is 118 degrees is very bloody hot for when u fit these motors in a cobra
plus also the cooling system in a cobra does not match that of a facotry commodore
so running so hi temps can cause issues if your radiator and cooling system is not up to scratch
im wondering if the extra 10 or 15 degrees hotter will help with the emissions

its very hard to guess because we use very similar tunes for most ecus
and some cars pass and some dont so its hard to see if its the tune or if its the exhaust system or anyhting else on the vehicle

also with alot of tuning shops opening up every week i garantee hardly any of them own a 4 or 5 gas analyser
i used to use one back in mid 90s but u hardly see them these days

u can build 2 cars identically the same with same tune and one will pass and one wont

on the gen4 ecus theres a trick to get fans working properly
not all tuners understand how to do this

anyway like i tell most people 99% of tuners tune commodores
the cars drive in get tuned then drive out
its abit different when the car is a conversion
and i find alot of people in this industry look at things straight down the line and class a cobra as say a commodore

i tell them look u need to look outisde the square as this is a conversion so they have to understand what the final product has to do
and i also tell the customer to ask many questions when dealing with a shop
tell them its a conversion and everythign has to be passed by engineer and rta

alot of shops who dont deal with many unregistered cars dont really know engineering rules
they r used to cars that have already been registered