I'm in Florida or I would be right over. Seriously. I have noting to do tonight or tomorrow. Anyway... He cleaned the tank... OK... Did he clean the screen, remove it or cut a hole in it? Did he even remove the screen. When you say "he cleaned the tank", what exactly did he do?

If the car sat for a long time the algae build up might have been substantial. What did he re-fill the tank with. Did he put an additive in the tank to help with the crud?

I'm assuming that you have ruled out any air leaks. Especially between the hose from the hard supply line to the primary filter, then the connection at the bottom of the primary filter, the connection at the top of the primary filter and then the connection to the lift pump. Also, look closely at the primer pump. Is it the older style or new one? If it is the old one, be sure to check that seal at the base where it screws down. That o-ring is known to leak.

Look for a PM.

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AJ

1985 300D (SOLD)