Rotor housing cracks
I've done some looking and cant find an answer to this. I have 2 used rotor housings. They both have 2 small cracks in the same place. One on each side of the leading plug hole on the trochiod surface. They are located at 90* and 270* and approx 1/8" long. Now Ive read at Mazdatrix that this type of cracking at the trailing plug holes is bad juju, same thing for the leading?
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its early in the morning so im kinda having a hard time with my pictorial memory. is it actually cracking or flaking. if its more than 1/8 flaking then, thats bad. also, you maybe able to re-use it if the cracking is between the leading and exhaust port. the reason behind is that the flaking will go out of the exhaust.
Are you building a new motor? |
i got a t2 housing here, that had the same problem. Then one day, the stationary gear gave way, and.. well lets just say the hosuing is completely busted now, its kinda impressive.
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I'll try to get a pic up this week. No flaking, chrome is like new, just these damn cracks. They radiate from the spark plug hole (leading) going forward and aft, like 1/8" long. Never seen this before. I'm thinking of building a fresh engine to replace the worn out POS in my daily driver. Or at least have it as a ready spare as I only have that car to get back and forth to work.
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the 97 mazda motor sports catalog says its ok if the cracks not too big, i forget their spec though. you need colder plugs :D
mike |
I didnt think to look there, thanks! I'll check it out when I get home.
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