1989 GTA Oil Size
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Joined: Dec 2012
Posts: 407
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From: Clarksville,TN
Car: 1989 GTA
Engine: 5.7 w/Paxton
Transmission: 700R4
Axle/Gears: 3.27
1989 GTA Oil Size
I have the 1989 5.7 in my GTA (original size). The oil passage on the back of the block just behind the intake manifold needs plugged. The passage is the one they used to use for the oil pressure sending unit, which in 89 was relocated to the port by the oil filter (still on the block of course). Does anyone know what size plug it is? Thanks for any help.
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