This guy is excellent: http://www.lowbugget.com/main_page.html
On Wed, Apr 17, 2013 at 1:20 PM, Dean Johnson <[email protected]>wrote: > Dan, > The spring on the bad valve is not compressed as much because the valve is > stripped and the keeper is closer to the end of the valve allowing it to > expand more than the others. I'll take another spring off and make sure > they are the same height, but I suspect they are when relaxed. > > Bill, > If the keepers didn't touch at both sides I'm sure they do now, with the > valve stem being stripped. > I'll take a closer look at the keepers and take some pics, right not the > head is at my new friend's house. (anyone with as many VWs as he has is a > friend to me) > > Dean > > > > On Wed, Apr 17, 2013 at 1:10 PM, Dan Moy <[email protected]> wrote: > >> There is a clue in what you said, if there where swivel feet, than it is >> really important that the push rods are cut to the appropriate length to >> insure that there is no binding, in addition to installing >> the appropriate shims. >> >> Also what does this mean: "The spring wasn't as compressed as the >> others" the springs should all be the same height? >> >> Regards, >> Dan >> >> >> On Wed, Apr 17, 2013 at 12:58 PM, Dean Johnson <[email protected] >> > wrote: >> >>> I also want to know why. I'll report what I can after I get the valve >>> out. The keeper grooves are gone. I don't know how the keepers could be >>> installed any differently. They look in good shape but I really haven't >>> looked closely for damage. When it was still together there wasn't anything >>> odd, they fit well with the retainer. The spring looks normal too. The >>> spring wasn't as compressed as the others, but that was due to the retainer >>> sitting closer to the end of the valve stem. >>> I'll look more closely and see what I can tell you. My guess if bad >>> material. The head came on the engine from Strictly Foreign with swivel >>> ball adjusters, and spacers under the rocker shaft. I don't see how the >>> geometry for that valve would be any different from the others, which were >>> in pretty good adjustment when I discovered the bad stem. >>> >>> I adjusted the valves on these many times over the past 30,000 miles and >>> didn't notice that valve needing extra adjustment (perhaps it did but not >>> enough for me to notice.) >>> I can do basic valve lapping (at least to the level needed for lawn >>> mowers) but don't feel up to grinding and lapping multiple angles etc. >>> So, how do I find a good VW machinist who can do the job and get my head >>> back together? I suppose it can be anywhere as I'll have to ship it anyway. >>> >>> Thanks, >>> Dean >>> I really wish I had a spare engine, a nice reliable 1600 in the stock >>> configuration. >>> >>> >>> On Wed, Apr 17, 2013 at 12:36 PM, Dan Moy <[email protected]> wrote: >>> >>>> Dean, >>>> >>>> Do you mean stripped of the keeper grooves? I would want to know why >>>> this happened: >>>> >>>> (1) was the valve material bad >>>> (2) Is the spring different than others >>>> (3) where the keepers improperly installed >>>> (4) as is what does the valve train geometry look like >>>> >>>> If you are going to replace the valve with a new one you will need >>>> match it to the valve seat otherwise it will leak. >>>> >>>> >>>> On Wed, Apr 17, 2013 at 12:21 PM, Dean Johnson < >>>> [email protected]> wrote: >>>> >>>>> I took my head to a local VW guy (not a machinist), he checked out the >>>>> head. The valve guides are good and all the other valves are good too. >>>>> The bad valve was stripped of its grooves for some reason. I'm just >>>>> going to replace the one valve. While I hate to ask for advice and not >>>>> take >>>>> it, the local guy feels confident this will work. He and the VW mechanic >>>>> turned high school science teacher have both had bad experiences with >>>>> machine shops and VW heads. >>>>> But wait! Does the valve need grinding, or at least lapping. >>>>> >>>>> Dean >>>>> >>>>> >>>>>> Now, I need to decide how far to go with this. >>>>>> 1. buy an intake valve and keepers and replace just the bad one. >>>>>> 2. Buy a set for all valves in both heads and rebuild them myself. >>>>>> 3. Send heads to a machine shop for rebuild. >>>>>> 4. buy one or two heads. >>>>>> >>>>>> -- >>>>> Visit the VintagVW archives at >>>>> http://mail-archive.com/[email protected] >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "VintagVW - Air Cooled Volkswagen Discussion List" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> To post to this group, send email to [email protected]. >>>>> Visit this group at http://groups.google.com/group/vintagvw?hl=en. >>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>> >>>>> >>>>> >>>> >>>> -- >>>> Visit the VintagVW archives at >>>> http://mail-archive.com/[email protected] >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "VintagVW - Air Cooled Volkswagen Discussion List" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To post to this group, send email to [email protected]. >>>> Visit this group at http://groups.google.com/group/vintagvw?hl=en. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>>> >>>> >>> >>> -- >>> Visit the VintagVW archives at >>> http://mail-archive.com/[email protected] >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "VintagVW - Air Cooled Volkswagen Discussion List" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at http://groups.google.com/group/vintagvw?hl=en. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> >>> >> >> -- >> Visit the VintagVW archives at >> http://mail-archive.com/[email protected] >> --- >> You received this message because you are subscribed to the Google Groups >> "VintagVW - Air Cooled Volkswagen Discussion List" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/vintagvw?hl=en. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > -- > Visit the VintagVW archives at > http://mail-archive.com/[email protected] > --- > You received this message because you are subscribed to the Google Groups > "VintagVW - Air Cooled Volkswagen Discussion List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/vintagvw?hl=en. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- Visit the VintagVW archives at http://mail-archive.com/[email protected] --- You received this message because you are subscribed to the Google Groups "VintagVW - Air Cooled Volkswagen Discussion List" group. 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