
Hi
Whilst I've got my engine out and half in bits I've measured my valve clearances (I know they can be done in-situ, but whilst I'm
tinkering this is just another tinker I'm doing whilst I'm at it). All exhaust clearances were OK (all measured 0.008, range is
0.007-0.01). All inlets measured 0.004 (range is 0.005 to 0.007).
I'm assuming that given they're all identical that they've just been set wrong (or my feelers are inaccurate?) as they wouldn't
all wear identically would they?
Anyhow, I guess I need to re-shim the inlets, but just wondering what sort of impact this would have had in real terms - 0.001 doesn't sound like
a lot to me but is it in engineering terms?
I guess it would mean that inlets are open for slightly longer than they should be. Would I get less compression because of this? What other
effects? Will I get loads more power when I set them correctly? Will it really make any difference?
0.001?
on my vw engines I check by rocking the arm...if it rocks fine no adjustment needed
are you measuring them correctly?
feeler guage won't be wrong, if in doubt either measure the leafs or try another.
the valves are made of identical material, do identical things and move as near as make no difference identical number of times - so why should they
not wear identically?
quote:
are you measuring them correctly?
quote:
feeler guage won't be wrong, if in doubt either measure the leafs or try another.
quote:
the valves are made of identical material, do identical things and move as near as make no difference identical number of times - so why should they not wear identically?
Just seemed a bit "too perfect".