engine numbers

[hotrodder1969]

ok i found this number on the drivers side of the engine can anyone tell me what it mean and im also tring to find out if it is the same engine that came in my car this is the number*19s-0716625* thanks for any help with this

[BMWonly]

That's your engine number, 19S for 1.9 l. Has nothing to do with chassis # (Opel does not have matching numbers). Judging by the number it's probably built in 1970, maybe an early 1971.

[GTJIM]

The 'stars' each end of the engine number show that it was an earlier high compression motor. "19" means 1.9 litres. "S" means that it had a carburetor. The rest of the numbers are just the engine number which gives some idea of when it was produced - 1969 -71 sounds about right. However, if you have a 1969 GT (noticed your 'name') it is probably the original motor.

[BMWonly]

Originally Posted by GTJIM The 'stars' each end of the engine number show that it was an earlier high compression motor.

This has has been proven not to always be the case, confirmed by OGTS.

Here is another example: I have a 71 GT (produced 4/1971), Motor #: *19S-0755510*, with both "stars". Car was bought from the original owner, with 55K miles, no previous motor swap. I just rebuilt the engine, and I was surprised to see low comp pistons
But most engines with lower motor numbers should be high compression pistons.

Dieter

[GTJIM]

Did it also have a four bearing head with hydraulic cam?

Some time ago 'nobody' and myself did a survey of VINs and motor numbers and the two 'stars' seemed to indicate a high compression motor with solid lifter cam in a three-bearing head. Nothing hard and fast - just a trend that showed up. I guess Opel played fast and loose ... as usual!