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ThomasJoseph315
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 Posted: Thu Jul 10, 2014 11:08 am Post subject: Oil filter adapter for oil cooling? |
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| I am pretty sure the 924 turbo's had them, but anyone know of an aftermarket source for these? |
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fiat22turbo
Joined: 18 Jan 2006
Posts: 4040
Location: Portland, OR
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| Posted: Thu Jul 10, 2014 11:19 am Post subject: |
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Universal units for Ford 5.0 v8's and Chrysler Small blocks of the eighties used the same size mounting surface and thread.
I have two, one for my 924 and one for another project I was working on. The expensive bit are the proper hoses and fittings, 10an hose isn't cheap, nor are decent oil coolers (don't use a used one unless you like someone else's engine bits in your engine or you use a second filter after the oil goes through the cooler).
Use a proper oil cooler thermostat since overly cooled oil is not good for lengevity and most built-in thermostats don't work too well.
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Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose) |
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ThomasJoseph315
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| Posted: Thu Jul 10, 2014 11:26 am Post subject: |
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| Any idea what the ideal oil temp is of the engine? |
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emoore924
Joined: 13 Apr 2004
Posts: 2822
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| Posted: Thu Jul 10, 2014 11:40 am Post subject: |
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I get nervous when the oil temp goes above 250f on the track. That significantly reduces oil longevity and effectiveness.
I think a good street temp is about 210f but I'm sure there will be lots of opinions on this one... |
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ThomasJoseph315
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924RACR
Joined: 29 Jul 2001
Posts: 9108
Location: Royal Oak, MI, USA
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| Posted: Thu Jul 10, 2014 9:26 pm Post subject: |
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That's a pretty good buy, I think! It is indeed nice to be able to add the sensors too; mainly the temp sender. Then throw the extra VDO gauge on the dash... I suggest getting those from egauges.com (VDO Pro Cockpit line, matches stock).
That size cooler might be a bit on the small side for full-tilt racing use, but still not bad. We use a 8.5x11" cooler on the #77, and she loves it...
Sorry, make that 8x11"; here's the one we've been using:
http://www.racerpartswholesale.com/product/2557/TRU_Cool_Oil_Coolers
But I see that guy on eBay has many others; maybe he can put a kit together/swap in a larger one, if you contact him... maybe the 19-row cooler would be enough for most track usage...
You may find yourself wanting to shorten some of those lines, but that's doable, with the right tools/technique...
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Vaughan Scott
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'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype |
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ThomasJoseph315
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| Posted: Fri Jul 11, 2014 12:57 am Post subject: |
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Nice info thanks! My main worries are for the summer heat in LA and keeping the car cool for longevity. The occasional track day could be fun too! My main area of driving is the canyons around the Santa Monica mountain ranges.
I got a lot of work going on with this car atm. I got the Larger bore throttle body i need to install, cat back system, a new radiator, new rear spoiler and have even begun looking for manual transmission gear oil coolers too for the rear end, not sure what I will use for the pump for that though. Then in all the middle of this I am trying to track down a louver press for the hood for a few alterations.
Lots of stuff going on atm  |
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Paul
Joined: 02 Nov 2002
Posts: 9491
Location: Southeast Wisconsin
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| Posted: Fri Jul 11, 2014 11:22 am Post subject: |
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If the cooling system is working normally, nothing you can do in the canyons is going to give you any cooling issues with the motor or tranny. These cars were made to be run at full throttle on the Autobahn for hours.
_________________
White 87 924S "Ghost"
Silver 98 986 3.6l 320 HP "Frank N Stein"
White 01 986 "Christine"
Polar Silver 02 996TT. "Turbo"
Owned and repaired 924s since 1977
Porsche: It's not driving, it's therapy. |
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924RACR
Joined: 29 Jul 2001
Posts: 9108
Location: Royal Oak, MI, USA
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| Posted: Fri Jul 11, 2014 9:24 pm Post subject: |
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I do think the 2.0L NA could've used some more cooling. Designed to pound on the autobahn in northern Europe, not Cali. That was before they got real good about remote testing.
So yeah, the initial kit might be just fine for that application, 'specially if you bump up to 20W50 for the track. Worst case, you'll have everything you need to move up to a larger cooler.
We hung ours roughly below the LF headlight, off to the side of the rad, so there was no re-heating of fluids...
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Vaughan Scott
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'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype |
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ThomasJoseph315
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| Posted: Sun Jul 13, 2014 12:09 am Post subject: |
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| Paul wrote: | | If the cooling system is working normally, nothing you can do in the canyons is going to give you any cooling issues with the motor or tranny. These cars were made to be run at full throttle on the Autobahn for hours. |
Paul, different parts of the world have higher temps. Having this convo again is only going to irritate me. If you think your car runs fine with stock parts of a 40 year old car in Wisconsin where the heat index is practically nothing, that's your business. I however live in a much hotter climate and will work on my own car as I see fit.
As per your "There is nothing you can do" I've already installed a lower thermostat and fan switch, that's helped a lot. So obviously there is something you CAN DO. I'm not interested in trivial conversations with people that haven't done their homework and/or cannot use a globe. |
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ThomasJoseph315
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| Posted: Sun Jul 13, 2014 12:11 am Post subject: |
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| 924RACR wrote: | I do think the 2.0L NA could've used some more cooling. Designed to pound on the autobahn in northern Europe, not Cali. That was before they got real good about remote testing.
So yeah, the initial kit might be just fine for that application, 'specially if you bump up to 20W50 for the track. Worst case, you'll have everything you need to move up to a larger cooler.
We hung ours roughly below the LF headlight, off to the side of the rad, so there was no re-heating of fluids... |
Thanks for the info!.. "bump up to 20W50"? I thought 20w50 was the stock oil weight? That's what I normally run. What do you run for normal driving up there? |
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Paul
Joined: 02 Nov 2002
Posts: 9491
Location: Southeast Wisconsin
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| Posted: Sun Jul 13, 2014 9:38 am Post subject: |
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| ThomasJoseph315 wrote: | | Paul wrote: | | If the cooling system is working normally, nothing you can do in the canyons is going to give you any cooling issues with the motor or tranny. These cars were made to be run at full throttle on the Autobahn for hours. |
Paul, different parts of the world have higher temps. Having this convo again is only going to irritate me. If you think your car runs fine with stock parts of a 40 year old car in Wisconsin where the heat index is practically nothing, that's your business. I however live in a much hotter climate and will work on my own car as I see fit.
As per your "There is nothing you can do" I've already installed a lower thermostat and fan switch, that's helped a lot. So obviously there is something you CAN DO. I'm not interested in trivial conversations with people that haven't done their homework and/or cannot use a globe. |
Check my signature.
Owned and repaired 924s since 1977.
Spend your money any way you wish.
"Anything you can do in the canyons" refers to driving your car on public roads, not spending money.
Here's some homework from:
http://www.wunderground.com/blog/weatherhistorian/record-dew-point-temperatures
Highest Dew Point Measurements in the United States
Last summer (2010), Newton, Iowa recorded an 88° dew point on July 14th. Chicago, Illinois’s highest dew point was 83° at 8 a.m. on July 30, 1999 as was Milwaukee, Wisconsin’s with an 82° the same day. But it was during the July heat wave of 1995 that the highest dew point of all was measured in the Upper Midwest: 90° at Appleton, Wisconsin at 5 p.m. on July 13th of that summer. The air temperature stood at 101° in Appleton at that time leading to a heat index reading of 148°, perhaps the highest such reading ever measured in the United States.
_________________
White 87 924S "Ghost"
Silver 98 986 3.6l 320 HP "Frank N Stein"
White 01 986 "Christine"
Polar Silver 02 996TT. "Turbo"
Owned and repaired 924s since 1977
Porsche: It's not driving, it's therapy. |
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!tom
Joined: 28 Aug 2006
Posts: 1941
Location: Victoria, BC Canada
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| Posted: Sun Jul 13, 2014 12:42 pm Post subject: |
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| Paul wrote: | ...
Highest Dew Point Measurements in the United States
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I keep on wondering why people keep on referring to this.
The humidity won't affect the cooling capability of the cooling system.
Humidity is part of the weather forecast mostly for people to know how hot they will feel. This is due to the fact that human beings cool themselves in part by evaporation, and the rate of evaporation is dependant on the humidity.
And frankly, without knowing actual head, coolant, and oil temperatures, as well as the intended (by Porsche) head, coolant and oil temperatures, people are running around in circles trying to get temperature gauges to behave like what they've seen in other vehicles rather than letting the cooling system do what it was intended to do.
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78 924 NA
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924RACR
Joined: 29 Jul 2001
Posts: 9108
Location: Royal Oak, MI, USA
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| Posted: Sun Jul 13, 2014 10:11 pm Post subject: |
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| ThomasJoseph315 wrote: |
Thanks for the info!.. "bump up to 20W50"? I thought 20w50 was the stock oil weight? That's what I normally run. What do you run for normal driving up there? |
We don't have any normal driving, sorry. Run Valvoline race oil 20W50 in the NA car, or sometimes straight 40W, or sometimes Redline. The Turbo street car will probably go back on Mobil 1 when it's broken in and running properly, not sure... that'll maybe be 10W40, haven't figured that out yet.
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Vaughan Scott
Webmeister
'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype |
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ThomasJoseph315
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| Posted: Mon Jul 14, 2014 12:06 am Post subject: |
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| I was thinking of running something a little thinner on the cold weight cause in the mornings the oil pressure spikes till she is warmed up. So maybe 15w40 I was thinking. |
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924 FAQ (Technical)
