LS1TECH - Camaro and Firebird Forum Discussion - Passenger head water port plug size

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cmc#5

01-01-2019 07:07 PM

Passenger head water port plug size

I was reading Autometers guide for gauge installs on LS engines and noticed it says the plug for the port on the passenger head is an 8mm Allen or T52 torx. I looked on my head and the plug is definitely star shaped, but T52, is that a typo? Even Wikipedia doesn’t show that as a real size!

s30.hybrid

01-01-2019 09:07 PM

Most likely a typo for T25.

cmc#5

01-02-2019 08:17 AM

I tried a T50 and it worked just fine so I'm going with its a typo and T50 is correct.

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