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Home > Technical Articles > Cool Collar - Improved Cooling for your Porsche

Guest Technical Article

Improved Cooling for
your Porsche—Cheap!

Bob Tindel



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Figure 2:

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Figure 5:

Figure 6:

UPDATE: Cool Collars are no longer available. The entire product line has been discontinued by the manufacturer.

Pelican Parts has introduced a new item (this item is no longer available) that will improve cooling on almost any engine that has an external oil filter—it is one of those products that makes you say, “Why didn’t I think of that?”  The “Cool Collar” is a finned aluminum jacket that slips over the oil filter (Figure 1)It is secured by a clamp to the outside of the filter, which provides full surface contact and allows maximum heat transfer.  Considering that all of the oil in your Porsche goes through the filter more than once a minute at freeway speeds, the oil filter is an excellent location to add cooling capacity.  Bench tests, as well as road tests on both water- and air-cooled engines, have demonstrated oil temperature reduction of 18 to 23 degrees with the Cool Collar.  This is a tremendous cooling improvement for a very small expenditure, and a few minutes’ work.

At first look, it appears that the Cool Collar cannot be installed with the AC compressor in place (Figure 2).   However, the installation is very easy.  Remove the clamp from the Cool Collar, and place the split in the collar over the top AC hose (Figure 3).   Now rotate the collar, and pull it downward off the hose into the open space next to the oil filter (Figure 4).  Slip the collar onto the oil filter, and push it until it seats against the filter mount (Figure 5).  Secure the collar with the clamp provided, and you are done (Figure 6).  Be prepared for hot weather, high-performance driving, and prolong the life of your engine.  Also be prepared for some “whatthehellisthat” questions whenever you open the engine compartment.


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