I am looking at fitting an aftermarket or filter to the GQ and would like to know what is the best filter.
Thinking something along the lines of a foam filter e.g Finer Filter, K&N etc.
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Aftermarket Air Filters
Re: Aftermarket Air Filters
DirtPigs wrote:I am looking at fitting an aftermarket or filter to the GQ and would like to know what is the best filter.
Thinking something along the lines of a foam filter e.g Finer Filter, K&N etc.
K&N are a Cotton based filter which is reusable. From all reports K&N's are superior. I had a finer filter in my Hilux worked great easy to clean re oil no sweat.....
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Look at CFM airflow through the different filters. The foam (from ads) flows similar to OE paper when clean but severely restricted when dusty.
K&N flows in excess of OE paper when clean and similar when needing a clean. A mate also runs a K&N in his 91 TD42T GQ patrol, has done for a few years now and loves it. His is a highly tuned Turbo diesel intercooled running 10 or 16 psi with fuel pump mods etc to keep fuelling up at max boost, and he has no airflow problems.
Ian
K&N flows in excess of OE paper when clean and similar when needing a clean. A mate also runs a K&N in his 91 TD42T GQ patrol, has done for a few years now and loves it. His is a highly tuned Turbo diesel intercooled running 10 or 16 psi with fuel pump mods etc to keep fuelling up at max boost, and he has no airflow problems.
Ian
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Ian
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Ian
GU 4500 Petrol, 35s, Gearmaster, front lawns and fire trails only....
coighty, i reckon it was a bit of overkill to have a main and pre filters.
a lot of guys found that two filters restricted the airflow too much for their turbo'd 4.2's.
i fitted a piece of hose over the centre section of the vertical prefilter to create a water trap, didn't get any water in there anyway.
i had intended to replace the prefilter housing and piping with a hose straight from the snorkel to main filter but sold the truck before it happened.
i drowned the motor on cape york when water leaked into the prefilter housing so i was going to get rid of it.
luckily no damage occured to the motor.
a lot of guys found that two filters restricted the airflow too much for their turbo'd 4.2's.
i fitted a piece of hose over the centre section of the vertical prefilter to create a water trap, didn't get any water in there anyway.
i had intended to replace the prefilter housing and piping with a hose straight from the snorkel to main filter but sold the truck before it happened.
i drowned the motor on cape york when water leaked into the prefilter housing so i was going to get rid of it.
luckily no damage occured to the motor.
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