Jeff,
I had to modify the block you sold to me by cutting a grove and shaving
off the bottom. See Pic. This was in order to clear the apex oil
pump.100_0257

Now I have to figure out what kind of plugs to use for the holes.
Rolland

So few people use the oil metering pump we did not design those
blocks to fit the oil metering pump. We don't recommend the pump
as oil mixed with the fuel distributes itself better in the
rotor housing. Also the cheap nylon lines Mazda uses gets
brittle and cracks. There are a lot old rotaries in junk yards
with cracked lines that have failed due to inadequate apex seal
oil. It could also be the cause of premature apex seal rotor
slot wear.

I have been ragging on Mazda about that for years.
The least thing they could have done was use steel
brake line.

We had a fatal crash and the NTSB took the engine to a Mazda
dealer and the mechanic noticed the metering pump was missing.
The NTSB falsely attributed the failure of the engine to that fact.

I contacted the NTSB and despite the fact that one of the board
members was a good friend of my A&P wife they stone walled us
on the recorded cause of the crash. Bottom line don't believe
everything you read from the NTSB. After that I call them up
after I hear about a rotary crash and volunteer to investigate
no charge, no expenses.

I'll change the add on the web site Jeff to reflect the fact
they won't work as is with the metering pump.

I think those are 1/2 inch pipe threads Rolland.

Are those half inch or 3/8th pipe Jeff?

Paul Lamar


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