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P80 engine cylinder bore marking

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jreed
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Post by jreed »

Can offer this info up to the group from Chapter 2B of the Book:
Screen Shot 2023-06-11 at 08.14.05.png
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1997 855 GLT (Light Pressure Turbo) still going strong. Previous: 1986 240 GL rusted out in '06, 1985 Saab 900T rusted out in '95, 1975 Saab 99 rusted out in '95, 1973 Saab 99 rusted out in '94

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Post by abscate »

Awesome. Will correct info up top. The internet takes another step closer to accuracy
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Post by foggydogg »

Correct, ring end-gap is filed to fit each cylinder bore and application. The gap spec is different for NA v. forced induction. Internal reciprocating mass balancing is quite the Black Art; I was hands-on at a machine shop that specialized in NASCAR engine prep. The job is pretty labo(u)r intensive, and expensive if charged at market price.
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