<VV> Another Mystery!
bmoneill at juno.com
Fri Oct 9 17:07:48 EDT 2015
I'm trying to help a new club member determine exactly what is the engine in his car. It is a 1969 convertible. The engine case has the following numbers T0703 RY and 19W701028. The data plate on the rear frame rail contains the following information: ST 69 10567 WRN 134282. Theon the data plate contains the letters TR701 and the numbers 52 under the WRN. The third line contains the numbers 090 and the capital letter A.
The engine is 140 hp but does not have a smog pump. The sheet-metal appears to be from a smog motor. A check of the list of engine case numbers shows that an RY block is for a 1968 140 hp smog engine. The list shows every 1969 engine to begin with the letter A. to add to the confusion is that General Motors installed sticker in the front center of the engine compartment stating that the engine is equipped with pollution control equipment and the timing should be set at 12° BTDC. The 1969 shop manual supplement shows the timing requirement of 6°. I'm confused and any help would be appreciated. I I should also mention that the air filter housing has what appears to be a stock piece of tubing that connects to the crankcase ventilation hose. I've never seen anything like that before. When the new owner took possession of the car he said it was very hard to start. A quick check with my dial back timing light show the initial timing to be set at 24°. Setting it at 12° has made the starting much easier.
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