whats the socket size of the oil sending unit by the oil filter on a stock `89 305

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'89 IROC, custom 600cfm Holley carb, Street Dominator Intake, Flowtech headers, no cat, Flowmasters, no emissions (smog pump, charcoal fillter etc), remote starter solenoid, push button start, getto sound system, none leaking sunroof

 

takes a 12 sided special socket, 1 1/16" is close and the other sender has a square on it for a open end wrench

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ICON Motorsports

1st & 3rd

 

I just bought a sending unit socket at AutoZone last weekend.It's tapered inside for multiple sizes.I think it was $5 or so.

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We need Perry Mason

 

Mine is a 1 3/16 - at the auto parts store. BUT, I removed it with a 1 1/4...

KAM