Yea smarty pants, tell be how many loose valve guides have you fixed.

My information was delivered for those who could use it. I just talked to a guy who wanted to buy seals for a 70 dollar master cylinder because he couldn't afford it. There isn't but a few automotive machine shops that do the kind of head work you are talking correctly; let alone a bunch of DIYers. I gave the advice so standard guides wouldn't be used in a place that couldn't work.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician