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Originally Posted by 88 Coupe
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Originally Posted by Oldsproject
........ He's suggested that instead of valve guides that he'll bore them out for oversized rods .........
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Don't know about anyone else, but I need to know more about this procedure. |
And I would have an answer before he touched anything of mine.
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Originally Posted by Oldsproject
........ found out that they were not aware of the 45 degree banks on the "67" 425's ........
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Any competent shop would have ordered the 45º cam, going in.
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Originally Posted by Oldsproject
........ but didn't put the hole in it as it is no longer required ........
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First thing any competent machinist would ask: What changed? If no satisfactory answer, he would make sure the hole was still there.
Most likely, your guy didn't have a clue.
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Originally Posted by joe_padavano
Do they have the Olds-unique gauge to set the valve stem height after grinding the valves? Do they even know about it?
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A competent shop will probably use a dial indicator. Same as they would on any other head.
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Originally Posted by Oldsproject
They did rebuild the heads ........
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Set a straight edge across the valve stems. If they are not all the same height, it's time to take your business to a competent shop. This applies to any head job, not just Olds.
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Originally Posted by Oldsproject
........ perhaps I need to double check everything ........
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Yes. Then check again.
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Originally Posted by Oldsproject
........ They advertise this spring for Olds applications but so was the Camshaft ........
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Change in lifter angle does not change the spring requirements.
Olds used “beehive” springs in the 394, and went back with the new engines. It would be interesting to know what they learned.
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Originally Posted by Oldsproject
........ Check, check, check ( I thought the machine shop would!) ........
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Always check everything, no matter what shop does the work. And always check your own, as well.
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Originally Posted by joe_padavano
........ If the valve sticks up too far (usually the case when you do a valve job) then the tip of the stem must be cut down to fit ........
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In order to maintain the correct rocker geometry.
Norm