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[elvin315]

I have a friend looking to install 4 G intake camshafts to a 3.2 Liter engine for a Catera project. He has an assortment collected over the years. The shafts are not on heads. How can he identify the G cams? Is there some marking he should look for? He says He sees he shafts are not on heads. How can he identify the correct cams? Is there some marking he should look for? He says He sees gc15, gc18, gc20, a2, e5, three are stamped 3, and another stamped 4. If those markings aren't familiar, what about the cam lobe profile. Any help would be appreciated.

[biggriffin]

The letter is very small and engraved on the cam.

[JamesV6CDX]

The markings are on the front of the camshafts, just behind the first bearing shell

You should NOT have 4 x G cams. That's a common misconception..... there is no benefit in using G cams on the exhaust side.

On a 3.2, its G cams for inlet, and J cams for exhaust...

On s 3.0, G cams for inlet, A cams for exhaust...