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centre mount front oil cooler
Since buying an RSR oil-cooler -original or replica - is out of my actual budget I'm looking for an acceptable alternative. e.g. adaption of an appropriate oil-cooler from an other car brand.
Is there anyone out there who has done such a job and is willing to share Infos and Pics ? Thanks in advance |
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11-15-2012, 02:03 PM
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I believe that a few guys have used a cooler from a Mazda RX7 to some success but others will have more info than me.
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15 year PCA member  1972 911 E Coupe - gone now 1987 Mazda RX-7 2+2 - still cooking Swift DB-1 FF & Swift DB-3 F2000 -not forgotten 1979 911SC 3.0 & 2000 Camaro |
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11-15-2012, 02:42 PM
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Porsche fanatic
Join Date: Mar 2005
Location: Forks Twsp PA
Posts: 1,279
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I don't have pics handy as the cooler is buried behind the bumper, but I did exactly that. Bought a gen2 RX7 cooler, welded on AN12 bungs and ran SS line. It has been on my current track car for about 12 years without any issues, never runs above 210F. I spent $50 for the cooler and bought the fittings and lines from BAT in Florida.
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'56 Speedster Guards Red '74 911 IROC- 3.2L, 22/28 tbars, 22 sways, Bilsteins, Big Reds, Seineshift, headers/M&K, slicks, 17" Fuchs, SW '95 993 -H&R coilovers, turbo sways, GT2 wing, Fabspeed '74 911 Targa, 87 944T, '75 911 Anniversary Edition-sold |
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11-15-2012, 08:28 PM
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wannabee wannabee
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Also interested in doing this. Will do some search but does this eliminate the trombone cooler?
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99 C4 - (let's try this once more) 07 Cayman S - sold 11/17 (not the same) 84 Carrera - sold 3/16 (geez what have I done!) |
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11-16-2012, 12:38 AM
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will replace the factory fender mount cooler types. For much better look/cooling
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11-16-2012, 12:49 AM
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Registered
Join Date: Jul 2002
Location: Atlanta
Posts: 7,125
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Some one has a (looks to be) properly modified mazda cooler FS on the parts board currently.
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erik.lombard@gmail.com 1994 Lotus Esprit S4 - interesting! 84 lime green back date (LWB 911R) SOLD  RSR look hot rod, based on 75' SOLD 73 911t 3.0SC Hot rod Gulf Blue - Sold. |
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11-16-2012, 03:01 AM
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Registered
Join Date: Apr 2007
Location: I live on the road, I just stay here sometimes...
Posts: 7,104
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I used the kit from elephant racing.
More details on m build thread "Saving a 73 from the crusher" |
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11-16-2012, 04:47 AM
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Bland
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06 Cayenne Turbo S and 11 Cayenne S 77 911S Wide Body GT2 WCMA race car 86 930 Slantnose - featured in Mar-Apr 2016 Classic Porsche Sold: 76 930, 90 C4 Targa, 87 944, 06 Cayenne Turbo, 73 911 ChumpCar endurance racer - featured in May-June & July-Aug 2016 Classic Porsche |
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11-16-2012, 05:14 AM
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Thanks a lot for this great help.
Hans |
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11-16-2012, 05:22 AM
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non-whiner
Join Date: Aug 2012
Location: Slightly right of center
Posts: 5,235
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Of course there's always this one from Earls for $300. It's what I am using up front:
Earl's Performance Temp-A-Cure Fluid Coolers 26016ERL - SummitRacing.com
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"Too much is just enough." |
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11-16-2012, 11:17 AM
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Under the radar
Join Date: May 2007
Location: Fortuna, CA. On the Lost Coast near the Emerald Triangle
Posts: 7,129
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I went the RX-7 route. To do it right adds to the cost.
$30 for a used RX-7 oil cooler. $40 for AN-16 weld on fittings $50 to have them welded on to the cooler. $125 for the four hose ends. $90 for seven feet of stainless braided AN-16 hose. $150 for a used fiberglass front bumper with a oil cooler cut out. $75 for paint and supplies to repaint the bumper $25 for some stainless screen for the bumper. And a couple of months of work, much of that for the custom fiberglass work on the bumper. 
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Gordon ___________________________________ '71 911 Coupe 3,0L outlawed #56 PCA Redwood Region, GGR, NASA, Speed SF Trackrash's Garage :: My Garage |
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11-16-2012, 08:21 PM
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Gordon,
any pics available which shows more about the finished cooler and assembly? BTW. Your car looks great |
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11-16-2012, 10:30 PM
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Registered
Join Date: Sep 2002
Location: Lake Tapps, WA
Posts: 3,070
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'67 911S '69 911S, '70 911ST '73 911T Targa Signal Yellow '78 911SC backdate |
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11-16-2012, 11:46 PM
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Registered
Join Date: May 2004
Location: New Hampshire
Posts: 6,138
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 Hi Gordon- It looks like you are using the SC or 3.2 Carrera oil hardlines along the rockers. From that point forward, can you show us how you routed your AN -16 hose over to the cooler & back? I am working on a 72 with a RS type bumper and it looks like the hoses must go outside the Rt battery box and then down under and into the bumper. It's really tight in there. Len
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11-17-2012, 05:07 AM
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Registered
Join Date: Oct 2007
Location: Belgium
Posts: 264
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I had one made out of 2 mercedes coolers.
Core dimensions 440x71x55 2 above each other, 1 pass coolers Works perfect, cheap and perfect fit in my IROC bumper. Many options are possible, starting from stock coolers. Google is your friend... André |
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11-17-2012, 08:03 AM
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Registered
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Quote:
Any pictures?
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Magnus 911 Silver Targa -77, 3.2 -84 with custom ITBs and EFI. 911T Coupe -69, 3.6, G50, "RSR", track day. 924 -79 Rat Rod EFI/Turbo 375whp@1.85bar. 931 -79 under total restoration. |
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11-17-2012, 08:08 AM
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Under the radar
Join Date: May 2007
Location: Fortuna, CA. On the Lost Coast near the Emerald Triangle
Posts: 7,129
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Sorry I don't have a picture with the bumper off. I am using the hard lines and thermostat from an SC. I removed the trombone and am using metric hose ends to hook up to the hard lines. The AN-16 stainless hose goes under the battery box and to AN fittings on the cooler. I removed the original fittings from the RX-7 cooler and had weld-on AN fittings installed. If the hose was more flexible they could go over the battery box.
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Gordon ___________________________________ '71 911 Coupe 3,0L outlawed #56 PCA Redwood Region, GGR, NASA, Speed SF Trackrash's Garage :: My Garage Last edited by Trackrash; 11-17-2012 at 07:43 PM.. |
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11-17-2012, 07:40 PM
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Registered
Join Date: Oct 2007
Location: Belgium
Posts: 264
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Safe,
Sorry, don't have pics, but this is the cooler we started from, price in europe was 119€ for one cooler. Some fabrication has to be done to connect the inlet and outlet headers , and weld on nipples. No problem for a fabrication shop. Coolers are made out of alloy (good heat transfer, very light) This is the spec sheet 
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11-17-2012, 10:51 PM
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Registered
Join Date: Dec 2002
Location: Dahlonega , Georgia
Posts: 14,607
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Mercedes Benz oil cooler from their diesel engines can be found for decent prices. Made by Behr I'm using one on my 3.0 in a 914/6 works great and it's German.
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2002 Boxster S . Arctic silver + black top/int. Jake Raby 3.6 SS engine " the beast ". GT3 front bumper, GT3 side skirts and GT3 TEK rear diffuser. 1999 996 C4 coupe black/grey with FSI 3.8 engine . Rear diffuser , front spoiler lip with ducktail spoiler . |
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11-18-2012, 02:01 AM
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Registered
Join Date: May 2004
Location: New Hampshire
Posts: 6,138
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Tried to get a part Nr from our local M/B dealer and he could not help me. Of course, it was late in the day and he wanted to get out of town for the long Thanksgiving weekend. Can anyone provide a USA part Nr for this cooler, or a typical USA year & model? The PNs above are for a European model only, and its not stocked at Mercedes Benz USA. Thinking of running two of these in parallel as dede911 has done by making a Y connection at inlet & outlet of each. The 30mm Porsche feed & return can be split into two 22mm connections to these coolers without any restriction of the oil flow. Hoping it will give me more room getting around the front Right corner and into the RS front bumper. Len |
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11-21-2012, 01:39 PM
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Porsche
Molly
Lynn picked up 3/16
Bad Boy gone 3/16
Crop Duster
Kachow
1976 Porsche 930
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1971 Porsche 911
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1977 Porsche 911 Targa 2.7s
