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'78 SC '78 SC is offline
I am my 911's PO
'78 SC's Avatar
Join Date: Oct 2003
Location: Houston, TX
Posts: 401
I had a couple of squirters that wouldn't clear with just air pressure. Repeated soaking with brake cleaner and air pressure wouldn't budge them. Finally I filled the passage with brake cleaner, fitted a small nylon screw snugly in place, then gave it a tap with a light hammer. This hydrolock generated enough pressure to force solvent through the nozzle and break things free. After that, I repeatedly blew solvent through to make sure everything was clear.

I suspect my were gunked up or had somehow jammed when the engine cooled and might have opened up just fine on their own when hot, but there was no way I could button up the short block without ensuring they were clear.

I can dig out the nylon screw size and post the info if you need. Hope you can avoid drilling yours out.

1983SC - D stock "rescue" car
1978SC - SSIs/964 cams/JE 9.5/turbo tie rods/factory short-shift/Seine Systems shift/heater backdate/Polybronze F/R /trailing arm monoballs/Carrera sways/7&9x16 Fuchs/Carrera brakes/WEVO engine/trans mounts.

Last edited by '78 SC; 07-12-2004 at 05:34 AM..
Old 07-11-2004, 08:45 PM
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