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Russ Wolfe wrote: > They did it to help with cooling on the emission control equiped > cars. This didn't start until about 1968 MY. My understanding was that this was done to run #3 cooler on Bugs, as the #3 exhaust valve was prone to breaking. Of course, it didnt help that the cooling air for cyls #3 & 4 had to pass through the oil cooler first. This was solved when they introduced the dog house fan casing. Of course, this isnt as much of a problem for the type 3 as it was for the type 1 and 2, and AFAIK the problem wasnt as big after the dog house and retarded #3 ignition was introduced. PerL 73 Variant L ------------------------------------------------------------------- Search old messages on the Web! Visit http://www.vwtype3.org/list/