Monday, Feb 01, 2010 at 22:42
I will back you up Trevor on the K&N filter.
The only expert advice I will accept on this is a friend of
mine who is a diesel mechanic who trained on and 30 years late still works on some of the worlds leading earth moving equipment. They have conducted tests on all kinds of filters, looking at airflow and filter efficiency.
He reckons the K&N type will stop any bricks that might get sucked into the engine. They are popular on race engines which always have a clean filter and get rebuilt regularly.
Try to get specifications from them as to particle size. The paper filters are typically 5 micron. I have heard of
test results that show the after market filters are usually around 20 micron.
I know it sounds like he said she said but this guy has been in the game for a long time, does not sell filters but will only use good quality paper.
As for the overheating problem I have this observation. A couple of years back I loaded the GU with 5 people, and gear for 6 weeks away. I hooked on the camper with push-bikes, boogie boards etc., and set off to drive from
Broken Hill to
Ballina. At 10am as we passed through Coonabarabran it was 42 degrees. Travelling north along the Newell I had to watch the temp gauge but still managed to sit on the speed limit 110 in those days. I was slowed by the rising temp needle as I passed through the Nandawar Range. I was down to about 60km/h but the corners had me down to about 40 anyway.
That day I did 1550 km in 16 hours and 10 min. Not bad on a 42 degree day in a car with a known overheating problem. Don't get me wrong they do overheat but it can be controlled with careful application of the right foot.
Duncs
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