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September 29th, 2008

Our question and answer section as well as our video section is currently down.  We’re doing our best to rectify it.  For now use the Q&A link in the menu above. If you need anything please feel free to call 616-301-2888 or email Mike.  Thank you!

 

Q & A: Hot Valve Adjustment

Monday December 29th, 2008
Q & A, MGA, MGB, MGC, MG T-Type, Midget
A little background:, I've owned a 76-TR6 since March (my first British car) and I've been improving the carbs, ignition, etc. over the past few months.

I love working on this car!

I read the 6-Pack forum and everything else I can get my ears and hands on. I especially like your You Tube videos! (my next toy will be an MG)!

Here is the question: Last month I adjusted the valves. The general consensus on the 6Pack forum was to adjust the valves cold. I believe the Haynes Manual also says to adjust cold. After reviewing your video about adjusting valves (where you mention to do it hot), I am still wondering which is best. I know we are talking about a very small difference here, but I am, by trade, a structural engineer and somewhat anal. So I would like to know which is best.

My car is stock, as far as I know, so there is no aftermarket cam in it.

Your thoughts?
The valve lash changes by about 0.001" between stone cold and really hot. Personally, I do not believe that it makes any difference if the valves are set at 0.010" or at 0.012" or at 0.015" as long as they are all set the sam... read more