Quote:
Originally Posted by Lawrie
We recently assembled an new A engine, the owner supplied press in guides that were parallel , so required a longer spring, they were for the straight 11/32 valve stem ,these were very nice, but he cant remember where he got them from, would any one know.I have tried the usual suppliers but no luck,
\Lawrie
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Have you measured the length of the seat face to the retainer lock grooves on the stem to verify the length? You may find you do not need a longer spring. Also, check your spring pressure at installed height and at .300” lift and compare to O.E. spring rates.