Hi Don,

Not in this case.   Check your manufacturing dates... the Corvair
went out of production in 1969, well before VW adopted sodium-filled
exhaust valve stems.

On 1-Nov-06, at 5:31 PM, don spence wrote:

> John/Neil
>  If I remember correctly, the Corvair engine, at least the 140HP (4
> carb) and 180 HP (turbo) had sodium cooled exhaust valves. Just
> another bit of "engineering advice" GM picked up  from VW?

Happy Trails,

Greg Potts
1973/74/75/77/79 Westfakia "Bob the Tomato"
www.pottsfamily.ca/westfakia
www.busesofthecorn.com