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Jandrews's Avatar
 
Join Date: Apr 2000
Location: Kansas City
Posts: 1,675
Can You Guess What This Is?

Hint: 2.7RS

The small piece that is laying next to the larger piece broke off in a very rare failure incident.
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File Type: jpg pfi.jpg (15.9 KB, 269 views)

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John
- '70/73 RS Spec Coupe (Sold)
- '04 GT3
Old 03-07-2002, 06:24 PM
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Hellgate's Avatar
 
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Location: Austin, TEXAS, US of A
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Broken?
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'02 996 - 285 RWHP!!!
Old 03-07-2002, 06:35 PM
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Blinker fluid actuator.
Old 03-07-2002, 06:59 PM
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Well, good answers... but only partially right!

I guess it is a bit obscure, but you never know with some of the experts on this board!!

The piece is actually a tappet out of a '73 MFI pump. Gus at Pacific Fuel Injection says he has rarely seen this failure, but as you can tell, a small piece broke from the tappet and lodged itself in an inopportune place - the number three MFI plunger gallery.

This caused a very difficult to diagnose running condition. Basically, the plunger in the MFI pump siezed in place and stopped pumping fuel to the number three cylinder. It wasn't until I removed the hard line coming from the MFI pump with the engine running that I notice a dry hole!

Anyway, Gus fixed me up and I will be re-installing the pump tomorrow. As expected, it appears Gus did a very professional job on the rebuild, although I must say it took a full three months for him to turn it around.

So... sorry for the obscure pic... has anyone seen this part on the inside of an MFI pump before?


JA
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John
- '70/73 RS Spec Coupe (Sold)
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Old 03-08-2002, 05:38 PM
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Nope...I've never seen it before. But I'll bet that most OB/GYN's have seen stuff you've never seen before.

Old 03-08-2002, 06:17 PM
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