i have purchased an oil cooler from Mini Automotive and am working out how to fit it to my 65 morris deluxe.

ken gave me a basic description but i was wondering if someone wouldnt mind posting some pics or giving me any feedback they can on fitment and placement etc.

Jason

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'66 BRG Morris Mini Deluxe 60HP ATW

make sure the you position it so that the oil will fall down through the cooler. you see too many people that just put them in any old spot and this can sometimes cause unstable pressure in the cooler and cause them to break. the easier the oil can flow through, the better it will work.

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Potato

Hmmm... so every Cooper S except the 1965 and prior ones, got it fitted wrong??
They could only break if poorly mounted like early solid piped ones were, or possibly if used with steel braided HP hydraulic hoses which are too rigid (these are not needed for 100 psi or so).
Pirtek's flexible 500 psi MPH-08 hose (1/2") and push-in barbed fittings works fine.

I've never had or seen a leak problem with a 13 row cooler mounted like a `66 onwards Cooper S, with fittings at top.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Most of the time they leak because as the Doc says, the hoses are too stiff or as I've seen, the hoses are 'pulling' on the cooler ie poor installation and / or choice of hoses / fittings.

As for where to put it, the Cooper S had them centrally mounted behind the grill on the body, but anywhere where it can get good air flow through it and can be sensibly plumbed up.

Got the cooler fitted today. Had to butcher the grill panel some what to fit it. i didnt realise you had to remove the verticle support panel, which is welded on, and cut and bend the panel. I looked at fabricating something to fit it but there was still not much room to work with.

I ended up cutting the panel with an angle grinder as cleanly as i could, filed it nicely and folded it / hammered it as much as i could. lost a fair bit of paint pff the panel in the process as the paint just crumbles off when you bend the steel. oh well have to paint the car as some point anyway and there are plently of other dents, scratches and chips so a few more wont hurt at this point

pretty happy with the end result though, was a little more effort than i first thought. the oil cooler is of nice quality and the hoses fit like a dream. first impressions today in 32 odd degree queensland heat the engine was a few degrees cooler on a 30 minute highway drive and didnt heat up quite as qucikly when stopped in traffic.

hopefully it will assist with engine temprature rising quickly in heavy traffic on hot days.

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'66 BRG Morris Mini Deluxe 60HP ATW

not trying to be a d!ckhead as i know you know your stuff far better then me, but, ive seen alot different cars blow oil coolers up from the way the oil is running creating a pressure point and causing it to practically explode. nothing to do with the lines, the way the cooper s ones were mounted was ok because the oil fell from a good height and wasnt being pumped up too much, but they work far better if the oil falls down the cooler.. (one car i know of blew 14 before we told them to hang it the opposite way, and it hasnt done one for a year.)

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Potato

Hopefully i wont have those problems with this oil cooler. i have just mounted it horizontally like the cooper s method. I suppose the oil is going down to it and not having to be pumped to it as such. thanks for letting me know though i will keep an eye on it.

Jason

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'66 BRG Morris Mini Deluxe 60HP ATW

Not having a go at all here, but I'd like to know a bit more. Not disputing that this poor guy had 14 failures, but with oil 'falling' only under gravity is not going to be anywhere near the presure of the oil (30 tp 70 psi), which because it is being pushed in at that preasure it should be coming out at very close to that, that is the presure drop across the cooler should be small. If it is big, then there is a blockage or it does not have the flow rate for the quantity of oil being push in.

If the oil was falling through the cooler, there would not be any where near enough oil presure to allow the motor bearings to survive.

Meeni wrote "not trying to be a d!ckhead"
you don'y have to try. lol