Frequently I’ve seen the Wagner-Tuning intercooler for the Mk7 GTI/R described as being one of the largest available. Because I have been tabulating the specs on numerous intercoolers I’m interested in comprehensive, accurate, data on these products.
It was brought to my attention that the description of the Wager intercooler core dimensions can be misinterpreted due to options of where the core depth is measured. Wagner publishes the following:
What was pointed out to me is that this depth measurement is of the core support, and not the core where the charge rows and fins are at. The depth of the core as I usually measure, and assume others to measure, is 55 mm, not 65 mm.
The 1 cm difference, ~0.4 inch, changes the “core” volume from being 1014 cubic inches based on published specs, to 884 cubic inches. The core volume is still large, just not quite as large as the published value led me to believe.
After purchasing a Wagner intercooler to test I measured the depth for myself: