Originally posted by ddewhurst:
Johhny, I also have an 1985 RX-7 1st gen. I went to the garage & measured a OEM bleeder which I had 4 in a package. The diameter measured .266 inches. I purchased my speed bleeders at Pegasus & they have 7 mm & 10 mm.
7 mm X .03937 = .276 (that works)inches. 10 mm x .03937 =.394 (to big)........ As best I could measure my OEM bleeder has 24 or 25 threads per inch which would make the metric thread 1.0 mm.
If you buy the Pegasus 7 x 1.0 mm part number 3266-12 you should be in good shape.
Have Fun
David
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