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Here's an update from the ride I managed to pick up earlier this year.
The original announcement is HERE
Some EFI discussions HERE
Today's update:
Well, I managed to get new fuel injectors into my '75 280z. I also replaced the fuel pump and all of the flexible fuel lines. Boy, let me tell you, FI hose is expensive! Try $5 per foot!
Anyway, after sitting since 1985, she started beautifully. The engine was a little rough at first but warmed up and accelerated nicely.
I did notice that the oil pressure was on the low side, but, it moved up and down as I played with the pedal. I couldn't remember what normal oil pressure was like, so, it seemed ok.
We put the 15" Boyd rims and 50 series tires on her, gave her a bath, and put her in the garage. Wonderful.
So, I walk out to the garage on Monday afternoon. I wanted to hear that Z engine purr again. I turned the key and the engine made loud banging noises!!! Wrrr, bang bang bang....
Oh $^!#, this can't be good.
Tried it again.... same thing. Bang bang..... bang bang....
I walked into the house with a frown on my face. Father in law comes by today and we take a look at it. We check the compression to find that cylinder 2 & 6 have absolutely ZERO compression. Damn. Engine is gone.
I think the banging noise is coming from pistons hitting the valves (which are stuck open).
Anyone have good luck with the MSA rebuilt engines?
[m]
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https://www.classiczcars.com/forums/topic/1776-280z-22-update/Share on other sites