Re: maximum wear for 356 valve stems?
Posted by Bobs51 On 2011/12/10 16:26:20
Quote:
If you removed the cam and lifters you should be able to drive the guide in one piece down and out thru the lifter bore; that's what the shop manual shows and that's how I did my 356 and have helped others similarly with theirs. You do not get the guide out thru the side. Have you browsed the shop manual for illustrations?
Owen, It won't drive through the lifter bore hole. A lifter measures .623" the guide measures .633" The bottom .6" of the guide is smaller and measures .568". The bottom .6 inches does go right into the lifter bore but the main part of the guide that measures .633 will not. With the small end of the guide down in the lifter bore you can not pull the guide up far enough to then tip it to the side and then out. Too much of the small end of the guide is still down in the lifter bore. Does that make since? I did read the shop manual and it does say " with the cam and lifters removed the guides should just come out. They do not.
I just did raise the guide up as far as I could and inserted the tapered top end back into the guide bore and wacked the thing with a hammer. The top tapered end snapped off. About 1/8 inch of it. Then it would come out. Maybe at one time the guides were replaced with ones that were a bit longer than they should have been.
Maybe on the 356 the guides and or lifter bores are different than the 51-327.
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