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> oil cooler line sizes, what AN sizes for fittings
DanT
post Nov 10 2005, 10:11 PM
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Will be installing an oil cooler up front when the car comes back from paint.
With the plan of doing a six conversion in a year or so, what size cooler, lines and fittings would you all suggest.
I am not as concerned with the cooling for the 4...but want to make sure I have plenty of cooling capacity once I do the conversion. Car is used for AX, DE and TT
We run in the summer at Th and BW where it can be 105+ in the shade.
What suggestions do you have?
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Aaron Cox
post Nov 10 2005, 10:12 PM
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do a search. common knowledge is -8 for a 4, im running -10 with a huge pump....and am told thats the biggest you can go for a 4.

-12 is the minimum you can run for a 6 (IMG:http://www.914world.com/bbs2/html/emoticons/dry.gif)
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0396
post Nov 10 2005, 10:52 PM
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_16
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Trekkor
post Nov 10 2005, 11:11 PM
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Oil cooler -BIG
lines -12

-16 from the oil tank to the motor.


KT
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DanT
post Nov 10 2005, 11:14 PM
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Trekkor,
Could you post (repost?) pics of your various lines and connections? Tank to motor etc. What make and size cooler did you use?
thanks (IMG:http://www.914world.com/bbs2/html/emoticons/wacko.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/unsure.gif)
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Trekkor
post Nov 10 2005, 11:15 PM
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QUOTE
I am not as concerned with the cooling for the 4


I think you should be (IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif)

Nathan will tell you his experience about cutting all his sessions in half due to 250°+ temp at T-Hill with no cooler.

I got close to overheating too and had to baby the car to stay out.


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DanT
post Nov 10 2005, 11:19 PM
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I was referring to the fact that I want the cooler set up to be optimal for a 6. Yes, I want the 4 to be cooled, but that is not my primary goal. Even if it appears to be overcooled at the present.
Even if I were not planning on a 6 conversion I would be putting on a good size cooler, I know after having other 4s and a 6 that the cooling is very important.
I mean that for the 4 it may appear to be overkill and that is OK.
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Trekkor
post Nov 10 2005, 11:20 PM
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Certainly!

Setrab approx 23wx2dx5t (IMG:http://www.914world.com/bbs2/html/emoticons/ohmy.gif)

Earl's line and fitting

mocal t-stat

Tank is a thick walled large capacty Vellios in the stock location


KT


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Trekkor
post Nov 10 2005, 11:26 PM
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how it all started for me at least!

Dan, I bet you're getting excited, huh?


KT
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DanT
post Nov 10 2005, 11:34 PM
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Yeah, If I could just light a fire under the !@#$ painter. He is doing the job on the side and has promised it to me by Thanksgiving...I'll be surprised if I have it back by Christmas!
O well, at least the paint and body work will be done. That still gives me plenty of time for assembly. I have over a week off for Christmas break...so if I have the car by then I will be able to get it done. I have almost all of my parts ready for installation. The cooler is one of my last acquisitions.
Thanks
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RON S.
post Nov 11 2005, 11:20 AM
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For a 6cylinder


-12 minimum, -16 optimum


Ron
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greglepore
post Nov 11 2005, 11:28 AM
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Another quick question-what adaptor do I need to go from the stock line to an-16?
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RON S.
post Nov 11 2005, 02:12 PM
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QUOTE (greglepore @ Nov 11 2005, 09:28 AM)
Another quick question-what adaptor do I need to go from the stock line to an-16?

I didn't use an adaptor.

I went to my local rubber & gasket company,and merely bought a 3 or 4 dollar steel -16 union.

I sawed it in half at work,bored it a little bit on a lathe to slip over the pipe,and tig welded it on.

Instant line (IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif)



Ron


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GeorgeRud
post Nov 11 2005, 02:53 PM
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I cool my 2.7 conversion using a turbotrol cooler up front with a Mocal thermostat mounted back by the engine. I used -12 lines because they were cheaper and easier to run. They run under the rocker panel on the passenger side. I also welded a fitting onto the hard Porsche line to make the conversion, though a fitting is available to go from the metric to AN.

The engine stays cool enough (210 degrees) on hot summer days running at high speed. I was chided by our local race shop (Perfect Power) that -16 would have been better.

For a street car, -12 should work. For a race car, only -16. My $0.02.
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McMark
post Nov 11 2005, 03:00 PM
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QUOTE (GeorgeRud @ Nov 11 2005, 12:53 PM)
For a street car, -12 should work.  For a race car, only -16.  My $0.02.

I think that makes sense. But engine size/tune makes a difference as well.
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Trekkor
post Nov 11 2005, 04:08 PM
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QUOTE
The engine stays cool enough (210 degrees) on hot summer days running at high speed.


Yep, same here. Once I installed the cooler I have yet to get any hotter than that. This is after 20 min track sessions. Not just street driving.

Went on a 2 hour backroad excursion and kept it below 190°.

-16 from the tank to the motor is good. Nice little 3 foot run.

Running -12 line will not result in starvation on my SIX.
9.5 qts in the tank with 2-3 more in the lines and cooler.



KT
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