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Registered
Join Date: Dec 2003
Location: Severna Park, MD
Posts: 1,324
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Desk height
I had my heads done and they removed .25, Should I get an extra set of sealing rings or is the slight difference, and additional compression, fine. This is on an '82 sc stock.
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2002 C2 Cab, 1982 sc, 1978 sc, 1976 s,1985.5 944, 2003 Honda Pilot, 2001 Volvo X/C 70, 1977 FIAT 124 spyder (an abarth someday), 2 1984 Vanagon Westis 1958 BugEye Sprite, 1960 BE Sprite, 1978 Yamaha XS11 1970 Honda 750 K0, 1982 BMW R65RT, 1997 Duc 916 |
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04-18-2004, 07:17 PM
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GAFB
Join Date: Dec 1999
Location: Raleigh, NC, USA
Posts: 7,842
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I prefer to set my desk height so that my knees clear underneath and my forearms are at right angles with my torso when typing.
Sorry, couldn't resist. I doubt you will experience any cam clearancing problems, though it would be worth it to do a quick check for peace of mind. And the light bump in CR might give you a couple added horses. If you prefer to just return to stock CR, I'd recommend buying the 0.5mm shims - two will probably work fine but using a single shim is the ideal solution.
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Several BMWs |
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04-18-2004, 07:24 PM
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Registered
Join Date: Dec 2003
Location: Severna Park, MD
Posts: 1,324
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Is there really that little clearance on the cis engines. I tend to think of them as the "t"s of the late years, so I was thinking that the .25 wouldn't matter but mybe err on the side of safety? Nice desk joke.
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2002 C2 Cab, 1982 sc, 1978 sc, 1976 s,1985.5 944, 2003 Honda Pilot, 2001 Volvo X/C 70, 1977 FIAT 124 spyder (an abarth someday), 2 1984 Vanagon Westis 1958 BugEye Sprite, 1960 BE Sprite, 1978 Yamaha XS11 1970 Honda 750 K0, 1982 BMW R65RT, 1997 Duc 916 |
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04-19-2004, 05:19 AM
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GAFB
Join Date: Dec 1999
Location: Raleigh, NC, USA
Posts: 7,842
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No - if you re-read, I state that there is probably no clearancing problem at all, ie, plenty of clearance. I'd run through a quick clearancing exercise just to have peace of mind, though. Takes five minutes - see the recent thread on this, you can just set valve lash to zero on intake and exhaust rockers on 1 and 4, turn in 1.5 more turns, and carefully rotate the crank through 720 deg. Do each rocker separately, don't turn them all in at once. More details in other threads if you need more info.
They do seem to the "T"s of late years- I think someone here on the board once theorized that a T cam would probably work pretty well in the CIS engines.
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Several BMWs |
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04-19-2004, 08:47 PM
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