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Old 02-10-2007, 08:52 AM
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supertib
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Default RE: RC Car Actions "How to port a Nitro Engine"
ORIGINAL: SAVAGEJIM

Here is a pic of the K4.6 block looking down the hole into which the carb goes into. In my effort to accurately calculate the induction timing, I need to know what the width of the port in this block is. This is the width of the port that is adjacent to the crankshaft. I cannot put my dial calipers far enough down in there to measure the width of this port. Anyone have a clue on ow to measure this port in the block?
jim use a degree wheel and a small flashlight !
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