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#13
Lapping = Fapping
iTrader: (13)
Kent is correct.
12A = 12cm
13B = 13cm
Extremely easy to remember.
A more practical use for this knowledge is the selection of an intake or exhaust manifold or header. If you're not sure what it fits and don't have an engine handy, just measure the stud hole spacing. 12cm = 12A and 13cm = 13B. So easy Glazedham42 could do it.
12A = 12cm
13B = 13cm
Extremely easy to remember.
A more practical use for this knowledge is the selection of an intake or exhaust manifold or header. If you're not sure what it fits and don't have an engine handy, just measure the stud hole spacing. 12cm = 12A and 13cm = 13B. So easy Glazedham42 could do it.
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