Can anyone help on this? I know the three prong TCS/Temperature switch was definitely there on 1970 cars... See the ebay link below if interested.
The big question is what went in the driver's side intake port.. Was it just plugged?
Here's a pic of the three prong temp sensor
http://cgi.ebay.com/ebaymotors/ws/eB...MEWN%3AIT&rd=1