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but were afraid to ask: 
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Hi
I see that I have been registered here for nearly a year and never started a question or properly introduced my self so I guess that should be first.
My "toy" is a dark red 1970 Herald convertible. I have owned it for just over two years, and unfortunately haven't driven it much more than Dale has driven his car. At 400km, the engine bit the dust. Of course that was after I replaced the transmision and the diff. The first engine was so worn out that I got a different engine and then wound up having to rebuild that also!
At least the body is in good shape.
When I am not playing with my toys, I work as a failure analysis engineer with ic chips, I am also very slowly working on a masters in materials science. I live in Jerusalem, and have three little assistant drivers (ages 7,4,and 2)
Now to the question. I am about to put the pistons back in, and the instructions are quite clear as to which directions the oil control ring are supposed to be oriented, however say nothing about the 1st and 2nd compression rings. Does it make any difference? I realize that the gaps should be on opposite sides of the piston. Just which side?
Also, wisely or not, I had the engine shop put the rings on the pistons. Now it occured to me that we didn't check the gap prior to putting them onto the piston. Given that the engine was rebored, to match the new pistons, (and I am using the rings that came with the pistons) should the gap be set correctly from the manufacturer (Deves) or should I take them off the pistons to measure?
I see that I have been registered here for nearly a year and never started a question or properly introduced my self so I guess that should be first.
My "toy" is a dark red 1970 Herald convertible. I have owned it for just over two years, and unfortunately haven't driven it much more than Dale has driven his car. At 400km, the engine bit the dust. Of course that was after I replaced the transmision and the diff. The first engine was so worn out that I got a different engine and then wound up having to rebuild that also!
At least the body is in good shape.
When I am not playing with my toys, I work as a failure analysis engineer with ic chips, I am also very slowly working on a masters in materials science. I live in Jerusalem, and have three little assistant drivers (ages 7,4,and 2)
Now to the question. I am about to put the pistons back in, and the instructions are quite clear as to which directions the oil control ring are supposed to be oriented, however say nothing about the 1st and 2nd compression rings. Does it make any difference? I realize that the gaps should be on opposite sides of the piston. Just which side?
Also, wisely or not, I had the engine shop put the rings on the pistons. Now it occured to me that we didn't check the gap prior to putting them onto the piston. Given that the engine was rebored, to match the new pistons, (and I am using the rings that came with the pistons) should the gap be set correctly from the manufacturer (Deves) or should I take them off the pistons to measure?
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