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Lotus in the Peak
28th - 30th June 2024

Oil Cooler Options


stockhome

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Last trackday at bedford i was seeing temps of 126-127 on track and i think i need a oil cooler.

 

I have had a temp gauge for a few years so i know the temps are accurate, So i have been looking at the possibilities

 

1) Air to Oil Cooler - Simple solution fairly easy to fit, apparently not that efficient (according to some people on seloc)

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2) Mocal Oil to water cooler - I personally dislike the standard installation, it puts the oil cooler and pipes next to and behind the exhaust manifold which i do not think is ideal. Although it does put the cooler in the bypass which warms to oil quicker.

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3) Rover KV6 oil cooler this involves reusing as rover KV6 oil cooler from a diesel it can be located in various locations as per pictures

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I would like to know what real world experiences people have. and their opinions. I quite the like he KV6 as it can be neatly installed near to the oil filter. However in that location you don't get the benefit of warming the oil quicker.

 

 

 

 

 

 

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I run the eliseparts Mocal oil to water cooler setup on my standard 118bhp S1 together with eliseparts PRRT and gauges.

 

I'm not sure what temperatures i had before, however, post setup i cannot get the oil above 110-115C on track even when out for 30mins on a hot day and with only short gaps between sessions.

 

The cooler is close to the manifold but hasn't caused me any issues in 2-3years of track use. I believe there was an issue with the length of the supplied aluminium tube in the kit when fitted to my car so we may have re-used the existing and modified it. I can't remember the full details - there is probably a post on seloc as i think someone else had a similar issue. Eliseparts were very helpful as usual. I believe they may have been developing a different pipe length option as the problem only seemed to affect some cars.

 

Rich

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I had the EP air / oil cooler but I raised it 50mm on brackets so that is was in the airflow from the driver's side scoop it was fine, and that was on a 200bhp k-series revving to 8000rpm. The oil take off was a thermostatic sandwich plate at the oil filter.

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Have an air / oil cooler behind the drivers side intake. Get 110 - 120 on track and 80 - 90 on road.

Still have the original front mounted oil cooler and pipes sat in my workshop as maybe one day I'll refit and have two. Front mounted is in a better air flow position than side.

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