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Discussion Starter · #1 ·
OIL COOLER… What is needed???
Ok well now the mods have it about as far as the standard block and turbo can go.. (possibly a little bit further :oops:) my attention is being focused on longevity of oil.. after recent discussions it's been adviced that a oil and filter change should be getting done around every 6k now.. (just to be on the safe side). So potentially hopefully looking for options to extend that to the current 9k regime… now I know a oil cooler increases oil life.. but weather I'll get a extra 3k out of it, we'll wait and see…. So as for the question.. WHAT IS NEEDED?

After having a look on WAK's website (thanks very much again) I managed to get the name of the parts he used on his kit. "Mocal" these guys are well into the racing scene and have been for many years.. unfortuntly there complete kit range does venture past Alfa for the A in the alphabet. So I've had to do abit of investigation.

Sandwich Plate
First thing is to find a sandwich plate, (instead of tapping the sump) a sandwich plate fits where the current oil filter fits, and allows for the oil filter to be fitted ontop of the sandwich (hense the name, sorry if this is teaching you how to suck eggs) Problem I am having is I do not know the thread sizes ect….of the filters. (is anyone aware and sure of the sizes????) I did however find this..
FRAM EXTRAGUARD OIL FILTER, ORANGE -- 4.92" Height, 3/4-16 Thread For audi TT 2000 - 2006
which was located here. http://www.car-stuff.com/carparts/auditt20002006framffph2870a1.html can anyone confirm??

Assuming the info I've gathered is correct then the sandwich plate is infact this one:-

http://www.racerpartswholesale.com/product/1596/Mocal_Sandwich_Plate
Part No. MOC-SP1

Oil Cooler
Well to be fair I can't find any definitive answer on what size will fit where the standard TT intercooler fitted.. again WAK did get 2 oil coolers to find which one fitted best and looking at the pics I'm guessing they were a 13row and a 16row with the 16row being the one that fitted??? (again if anyone else or wak could confirm???) Also which fittings are used 8AH or 10AH… I'd imagine the 8AH is a lower circulation speed due to the narrower hoses, but maybe there is a issue with pressure… for the purpose of this post, and until I can get it confirmed I'm going to say we need to use a 10AH to be safe.

Assuming it is the 10AH and 16 Row cooler that's needed then I need to be ordering this:-

http://www.racerpartswholesale.com/product/4990/Mocal_235_Matrix_Oil_Coolers
Part No. MOC-16210

Fittings
Well again this hands on the 10AH or 8AH approach. Potentially need 10AH by my thoughts but obviously I am not running a oil cooler so guidance from someone who is would be great ;) Due to the location this will be fitted (where intercooler 2 is on the 225) then I've come to the conclusion that potentially one straight fitting, 2 90 degree fittings and one 45 degree (main reason for the 45 is if you fitted 2 90's they would come into contact unless you branch off at different angles (which won't look good)

So what is needed is:-




So that would be:-
1x MOC-TS-10
2 x MOC-T90-10
1 x MOC-T45-10
(although may well be worth getting 3 90's incase there isn't enough space in the bay)

Hoses
As for hoses, well these can be any sort, the do a stainless steel version also, but for the OEM look black is available

Therefore you would need:-

http://www.racerpartswholesale.com/product/2663/Mocal_Lightweight_Hose
Part No. MOC-AHL-10
Length. TBC

So I'm assuming that's it and we now have a TT oil cooler kit, the next question is what the demand with regards to extra oil.. I guess I need to do some calcs with the original sump.. the bore of the hoses and the capacity of the cooler to work out what amount of oil will be required during servicing.

Anyone in the know who can give a indication if this sounds about right????

Also now need to find a UK stockest, anyone know of good ones????

Cheers

tony
 

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Unless your doing multiple laps of a track all the time I doubt very much you need an oil cooler!!

These 1.8t engines are very good at managing oil cooling and dont actually run that hot.

Use VAG com and look at oil temps, thrash the car on a country lane as hard and long as you can and I bet the temps are well within whats acceptable.

Good oil is fine for 140 deg and I bet you dont even get over 110.

We did this in a friends heavily modified 1.8t (stock turbo, everythign else changed) and found it to be fantastic at keeping its temps down without an oil cooler.

Also the downside of an oil cooler is when your just driving normally it can keep the oil too cold!!
 

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Tony has considered this I belive from when I spoke to him.

Wak. Morgan - Can you explain is teh oil system has a thermostat? Is not do you not run the risk of running car too cold in winter?
 

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Discussion Starter · #9 ·
they still go on the filter housing i belive... but because the v6 has a insert rather than can filter, it's actually plumbed in as standard on a lower part of the engine...

well if too much cooling is a problem wouldn't a 8AH and 13 row intercooler be a safer option... less oil in the cooler and also pipework therefore less cooling.. :? 8 is the smalles you can go on the sandwich plate and 12 is the biggest.
 

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Im only playing Devils advocate Tony, hopfully wak and morgan will explain if oil has a thermostat (which im sure it doesnt) and if not how it stays at correct temp like coolant
 

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Discussion Starter · #11 ·
:lol: it was you that remined me that i was supposed to be looking into this mod anyway... :lol: not that i'd forgotten :roll:

but like ya say i'd in boarderline safe torque... so i don't want metal fatigue from it getting hop and bending the rod... i personally think from reading wak's site that my car is ready for one... and we all know wak is very knowledgeable on these things... if he's done one it must be doing something worth wild..
 

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Yeah thats the logic Im using, tho would like to know how the system keeps a good temp. Morgan has it too and recomends too
 

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Fred said:
Unless your doing multiple laps of a track all the time I doubt very much you need an oil cooler!!

These 1.8t engines are very good at managing oil cooling and dont actually run that hot.

Use VAG com and look at oil temps, thrash the car on a country lane as hard and long as you can and I bet the temps are well within whats acceptable.

Good oil is fine for 140 deg and I bet you dont even get over 110.

We did this in a friends heavily modified 1.8t (stock turbo, everythign else changed) and found it to be fantastic at keeping its temps down without an oil cooler.

Also the downside of an oil cooler is when your just driving normally it can keep the oil too cold!!
I would agree with this.
 

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Discussion Starter · #14 ·
Hark said:
I would agree with this.
:lol: be quiet you.... you've just fallen out with modding now :lol: (as your post)

i would agree with it to a certain extent... but as said... you know how high my torque and psi is... if anything i wanna just make sure the metal never get hot enough to cause fatigue in any elements within the engine... granted if i was running sub 300 i probably wouldn't consider it... (apart from the fact i do quite like the idea, and it's a job i'd have no issues with doing myself so a little fitting hobby i can look forward to)

better safe than sorry... :p
 

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Discussion Starter · #17 ·
Sheldon, it's as pictured... very very small... but not 100% sure these are fitted on TT's in the UK.. as there is some confusion that these are on "hot Climate" models... meaning there on cars in nice warm countrys and not england.. :lol: :lol: but can't find any definate answers till i can get on ETKA and look at the engine schematics... even so it's not that great...

after reading waks page again..http://www.wak-tt.com/mods/fmic.htm which says the mocal's have a thermostat in them... basicly they oil is only cooled at 180F (82.2C)and is not cooled before that... as the description of this one suggests... http://www.bahnbrenner.com/vw_audi/products/1395/Mocal_Thermostatic_Sandwich_Plate_4cyl Therefore your right it could be fitted and never ever opened... but acording to this oil is optimum at 82 and deteriorates at higher temps.... (don't get confussed with 90 water temp) i'll have to use the 51c (i think it's that for oil temp) and see what it's running... but the issue of over cooling shouldn't come into it as the oil isn't cooled until 82.2C

hope that clears it up for ya matey... ya not going to be running a car with a oil temp of 50... it'll just kick in when it's needed.... above 82.2C or 180F

180 is optimum Below this temp, the oil isn't hot enough to burn off harmful contaminants. Temps above 230°F, it starts to thin out and oxidize, reducing lubrication significantly
230F is 110C

So really to have a cooler that comes on when it's hot and shuts off when it's cold is just protecting the engine and keeping the oils life and effectiveness.... i like the idea of a safety measure at my torque.. :roll:
 

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Great post Tony. So you need that sandwich plate and a cooler lines and job done :p
 

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Discussion Starter · #19 ·
yeah or a kit... like this http://www.bahnbrenner.com/vw_audi/categories/294/Oil_Cooler_Kits_Hardware only available in the states though... VW & Audi Specialist company... some good stuff on there too... the 10AH was right to guess with... so it's a thermostat sandwich plate we need.... Oil cooler (i'd still say 16 row) and hoses.... oil and filter...

then the fun works can start in fitting... i just need to find a UK supplier of mocal... there must be some as AMD used it for waks car...
 

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Discussion Starter · #20 ·
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