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Registered
Join Date: Mar 2004
Location: New Jersey
Posts: 1,861
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Well, I haven't had the pleasure of getting under the skirt of an FD but from what I have read it is the most precision piece of the CIS puzzle. The center plunger/bore has some very tight clearances. There are also rubber o-ring seals on the plunger. Yours is from a 73 ..making it 34 years old. I can't imagine that its working at spec. That said, I think anyone that plans on keeping the CIS system on their car for another 30 years might think seriously about having a nice rebuilt spare on the shelf.
If you are running rich during your break in period I would guess the rings will have a difficult time seating.
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Peace, Ron www.ronorlando.net 78SC Targa 3.2 SS, 964 cams, CIS, SSI's,Dansk Own a gun and you can rob a bank , own a bank and you can rob the world. |
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12-05-2007, 11:23 AM
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Dog-faced pony soldier
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I've also wondered about the modern blends of crap they call "gasoline" now having a deteriorating effect on components, particularly internally where you can't necessarily see it.
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A car, a 911, a motorbike and a few surfboards Black Cars Matter |
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12-05-2007, 12:40 PM
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Designer King
Join Date: Mar 2004
Location: Toronto, ON Canada
Posts: 5,499
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Many have said that increased levels of ethanol in fuel (ie beyond 10%) will result in increased deterioration of CIS components.
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Paul Yellow 77 Sunroof Coupe/cork interior; 3.2L SS '80 engine/10.3:1/No O2; Carrera Tensioners; 11 Blade Fan; Turbo tie rods; Bilstein B6; 28 tube Cooler; SSI, Dansk; MSD/Blaster; 16x7" Fuchs/205/50 Firestone Firehawk Indy 500s; PCA/UCR, MID9 Never leave well enough alone |
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12-07-2007, 10:52 AM
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