Old 02-13-2020, 01:25 PM
camerjeff's Avatar
camerjeff camerjeff is offline
Ultimate Warrior
Join Date: Dec 2004
Location: Belleville , Mi
Posts: 1,579


To answer your questions about the camshaft & followers, I have never seen damage to a cam follower like you have on the #4 Exhaust follower, it seems to have damaged the lobe some by your picture. Also it looks like most if not all the followers have visible wear on them. Usually when the follower is worn that much the cam lobes are also worn down a like amount.

Another thing to check is the Oil hole from the block to the head, in 1966 and some early production 67 engines they had an issue with the alignment of the pressure oil hole from the block to the head. I have seen it misaligned so less than 1/2 the oil passage to the head matches up to the hole in the bock. It is easy to correct if it is there, I just hand ground the hole so match up, and modified the head gasket to match. This issue caused alot of early cam failures. It was corrected early in the 1967 model production. So not an issue with later engines.
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Jeff R
78 Catlina Safari, Soon to be Pontiac 400 powered
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73 Lemans Safari, 400 4bbl 4-speed
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Old 02-14-2020, 03:21 AM
exotec exotec is offline
Junior Member
Join Date: Nov 2019
Location: Mautern, Austria
Posts: 28

Hi Jeff,

thank you for your clear explanation!

really appreciate that!

This coming weekend I will finish dismantling the engine and start cleaning all parts and than I'll bring it in the shop.

Kind regards


follow my project on instagram

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