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| Author | Subject: Best oil cooler for a 50/50 track/road gti6? |
 carlosw828
Regular  Location: Birmingham Registered: 25 Apr 2009 Posts: 146 Status: Offline |
Post #1
Quick question lads, looking into oil coolers for my 306, will be a throttle bodied toy and will probably be used just as much on track as the road if I have my way, any recommendations on what size cooler to get?Does there become a point where bigger is no longer better?  |
 Posted 24th Mar 2013 at 17:15
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dangti6
aka JKshooter  Location: Taunton, Somerset Registered: 15 Jun 2006 Posts: 10,305 Status: Offline |
Post #2
I've just gone for a 16 row. Appears to be a common suggestion.It's worth going for a thermostatic sandwich plate IMO. ________________________________________  |
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Posted 24th Mar 2013 at 17:18
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daveyboy
aka Jim Davey  Location: Southampton Registered: 01 Oct 2007 Posts: 8,648 Status: Offline |
Post #3
As above, steer clear of 13 rows, they don't quite cut it.Mount it in front of the rad not behind, and get it good and low so it's not obscured by the number plate etc. ________________________________________ R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.Some of my services: (See my for sale threads) Engine mount/chassis repair Solid Beam Mounts BACK IN PRODUCTION Harness bars |
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Posted 24th Mar 2013 at 17:21
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blandy
Seasoned Pro  Location: Bucks Registered: 25 Feb 2007 Posts: 2,437 Status: Offline |
Post #4
Great thread as looking for one for my bodied car, Any one got any recommendations where to buy as see plenty on eBay but with it holding oil I'd rather something of decent tested quality lol |
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Posted 24th Mar 2013 at 17:27
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carlosw828
Regular Location: Birmingham Registered: 25 Apr 2009 Posts: 146 Status: Offline |
Post #5
Cheers fellas, am I best off buying the adapter and cooler then measuring for the pipes or will a kit suffice? Also I've seen 2 types of hose used, rubber and a braided type one... I take it braided is the way forward? |
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Posted 24th Mar 2013 at 17:31
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tvrfan007
Seasoned Pro  Location: In the garage Registered: 29 May 2005 Posts: 3,488 Status: Offline |
Post #6
I've got some braided ones for sale chap, 33 inch long, will do you to the front of the rad________________________________________ I'm Si btw Night Blue VW Golf GTD Bianca LBSC Rallye - Track/Road Slag Project Thread Sparkling Silver Mini Cooper D - Super Dooper  - (The other half's wheels) |
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Posted 24th Mar 2013 at 17:35
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dangti6
aka JKshooter Location: Taunton, Somerset Registered: 15 Jun 2006 Posts: 10,305 Status: Offline |
Post #7
JJC were the best price I found for Mocal when I was looking around. I luckily came across a used one complete.I've heard with kits you can end up mounting the kit in a non ideal location due to limitations with pipe length. My intention was to buy the plate and cooler as you suggest and them mount and measure up for hoses. A hydrolic firm can knock you some up. ________________________________________ |
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Posted 24th Mar 2013 at 17:38
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owain
Seasoned Pro  Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #8
Even with the sandwich plate you'll want to put in a temperature gauge and probably something to physically block flow, else it'll over-cool the oil under normal driving. My gauge goes down to 50 degrees and the sump temperature won't even register if I drive around on roads without blocking physical flow to the cooler. The sandwich plates aren't quite as perfect a solution as you might expect. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 24th Mar 2013 at 18:19
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bigbadbowen
Seasoned Pro  Location: Winchester Registered: 21 Nov 2003 Posts: 13,752 Status: Offline |
Post #9
That's what the thermostatic sandwich plate does ? Blocks the flow until a certain temp  |
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Posted 24th Mar 2013 at 18:23
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dangti6
aka JKshooter Location: Taunton, Somerset Registered: 15 Jun 2006 Posts: 10,305 Status: Offline |
Post #10
Won't open and flow through the cooler until it reaches 80 degrees ________________________________________ |
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Posted 24th Mar 2013 at 18:26
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #11
That's correct, but if it's cold and you're not caning the engine, the oil reaches 80, goes through the plate and ends up over-cooled by the time it gets back to the engine. The engine needs to be well above 50 to be working properly, and I'm telling you my sump is below that if I don't block the air off. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 24th Mar 2013 at 18:35
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bigbadbowen
Seasoned Pro Location: Winchester Registered: 21 Nov 2003 Posts: 13,752 Status: Offline |
Post #12
owain wrote: That's correct, but if it's cold and you're not caning the engine, the oil reaches 80, goes through the plate and ends up over-cooled by the time it gets back to the engine. The engine needs to be well above 50 to be working properly, and I'm telling you my sump is below that if I don't block the air off. Drive the car properly then  |
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Posted 24th Mar 2013 at 18:40
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jamiek_uk2000
Seasoned Pro  Location: Llanelli Registered: 18 Apr 2009 Posts: 1,925 Status: Offline |
Post #13
So is there a switch/valve you could install then, on the oil line which you could then turn off and only run when you are on the track? I've been looking at installing one due to my car becoming a part time track slag, but people say that the thermo plate aren't all they are cracked up to be due to over cooling when not on the track________________________________________ 205 GTi Red - G939 RTU - Died!306 GTi 6 Diablo - Being resurrected! Project Thread Looking for: VTS P1 Rack PR1.2 16" |
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Posted 24th Mar 2013 at 19:09
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #14
It's what I'd do if I used mine on the road, all the threads are standard so I'm sure you could get some hoses made up which had some kind of in-line isolator to turn it off completely. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 24th Mar 2013 at 19:24
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jamiek_uk2000
Seasoned Pro Location: Llanelli Registered: 18 Apr 2009 Posts: 1,925 Status: Offline |
Post #15
That's a good point, I'll check in work tomorrow what I can get in 1/2" BSP. I've never seen an oil rated on though, they are normally small but I'm sure I can find one________________________________________ 205 GTi Red - G939 RTU - Died!306 GTi 6 Diablo - Being resurrected! Project Thread Looking for: VTS P1 Rack PR1.2 16" |
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Posted 24th Mar 2013 at 19:32
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jamiek_uk2000
Seasoned Pro Location: Llanelli Registered: 18 Apr 2009 Posts: 1,925 Status: Offline |
Post #16
You know what sort of pressure the oil lines run at?________________________________________ 205 GTi Red - G939 RTU - Died!306 GTi 6 Diablo - Being resurrected! Project Thread Looking for: VTS P1 Rack PR1.2 16" |
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Posted 24th Mar 2013 at 19:36
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jamiek_uk2000
Seasoned Pro Location: Llanelli Registered: 18 Apr 2009 Posts: 1,925 Status: Offline |
Post #17
After a little research I have found that the oil cooler runs at upto 10bar of pressure. A normal gate valve is rated to 20 bar and would be ideal for the job. I also have a few of them in the container in work that I will be raiding tomorrow  ________________________________________ 205 GTi Red - G939 RTU - Died!306 GTi 6 Diablo - Being resurrected! Project Thread Looking for: VTS P1 Rack PR1.2 16" |
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Posted 24th Mar 2013 at 19:45
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #18
Sounds like a plan. If your car doesn't have an oil temp gauge I'd recommend getting one. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 24th Mar 2013 at 20:03
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jamiek_uk2000
Seasoned Pro Location: Llanelli Registered: 18 Apr 2009 Posts: 1,925 Status: Offline |
Post #19
Don't all 6's have an oil temperature gauge? Are the standard ones to be trusted or should I fit an aftermarket one? ________________________________________ 205 GTi Red - G939 RTU - Died!306 GTi 6 Diablo - Being resurrected! Project Thread Looking for: VTS P1 Rack PR1.2 16" |
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Posted 24th Mar 2013 at 20:06
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #20
Phase 2 onwards did, Phase 1 was oil pressure instead IIRC. I have a phase 1, so can't comment on the accuracy as I don't have one.________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 24th Mar 2013 at 20:08
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jamiek_uk2000
Seasoned Pro Location: Llanelli Registered: 18 Apr 2009 Posts: 1,925 Status: Offline |
Post #21
Fair enough, I just assumed since I had one, they all had one. What other gauges are people running, is it worth fitting an oil pressure gauge to keep an eye on that aswell? I remember having to keep a keen eye on my 205GTi due to it's great reliability.________________________________________ 205 GTi Red - G939 RTU - Died!306 GTi 6 Diablo - Being resurrected! Project Thread Looking for: VTS P1 Rack PR1.2 16" |
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Posted 24th Mar 2013 at 20:14
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pooouk
Regular  Location: Belper, Nr Derby Registered: 22 Jun 2009 Posts: 259 Status: Offline |
Post #22
The thermostatic plate will just close again when it drops below 80c, they don't just open and then stay open. They work the same way as a thermostat does in the coolant, forever opening and closing with the water temp.Nick ________________________________________ AKA nick on 205gtidrivers.com |
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Posted 24th Mar 2013 at 20:33
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daveyboy
aka Jim Davey Location: Southampton Registered: 01 Oct 2007 Posts: 8,648 Status: Offline |
Post #23
Owain, sounds like your thermostat is stuck fully open. I'd take a look at your next oil change bud.________________________________________ R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.Some of my services: (See my for sale threads) Engine mount/chassis repair Solid Beam Mounts BACK IN PRODUCTION Harness bars |
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Posted 24th Mar 2013 at 20:42
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #24
It's really not, I've known many people have the problem with oil coolers. Yes they kick in at 80, which the oil is when it comes *out* of the engine - the problem is that if it's cold outside it gets over-cooled, then thrown back into the top of the engine too cold. Not only do you have air rushing under the sump cooling it, but also zero-degree winter air sapping the heat out through the cooler as well. It's not a problem with my cooler, it's fairly common for cars with oil coolers. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 24th Mar 2013 at 20:44
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daveyboy
aka Jim Davey Location: Southampton Registered: 01 Oct 2007 Posts: 8,648 Status: Offline |
Post #25
Have you removed your undertray?________________________________________ R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.Some of my services: (See my for sale threads) Engine mount/chassis repair Solid Beam Mounts BACK IN PRODUCTION Harness bars |
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Posted 24th Mar 2013 at 20:46
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