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, Wed, 2 Jul 2008 08:22:52
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Think I can answer most of that. The difference in parts is not so much 99 vs 900 rather metal tank vs plastic tank. The metal tank has on the bottom of the pump a sleeve that simply goes from the small pump pickup size into the wider size for the plastic strainer holder.
The plastic tanks use the same plastic strainer, but these sit in another plastic tray which is used to cut down on fuel starvation on corners (the plastis tanks don't have the internal baffle that the metal tanks have).
The rubber section in this case has a large diameter flat section which is used to block the top of this extra tray. The tray incedentaly is fed directly by the fuel return pipe and also small holes in the top, it's not totally sealed.
The bottom section on a metal tank setup can use a plastic tank rubber part, but not vice versa as you'd get fuel starvation issues.
The real problem on metal tanks is the parallel wide sleeve that holds the pump to the bayonet fitting that holds it in the tank.
As for swapping to a plastic tank, 2/4 door cars need 2/4 door 99 tanks, which I don't think the US ever had? The 3/5 door you need a very early 900 tank as when they changed to a space saver spare wheel, they messed about with the tank size. 1979 and 1980 cars only I think. I guess you could replace the boot floor with one from a 900 but that's extreme!
Of course you need a fuel injection tank as carb cars don't have the right hole for the pump and it can't really be adjusted.
Hope that helps. On my 78 3 door turbo I imported a 900 plastic tank from Australia to England, as I couldn't find any locally. I passed my metal tank (with rubber sleeve) to someone restoring an older 3 door.
posted by 87.127.15...
, Fri, 27 Jun 2008 13:26:54, Fri, 27 Jun 2008 13:57:23, Fri, 27 Jun 2008 14:12:59, Wed, 2 Jul 2008 08:22:52
, Wed, 2 Jul 2008 21:05:59
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