Head bolt spacers...Three ?!?

[R.O.R-2.0]

why would there only be 3 washers on ONE bolt then? not all 10? your theory would make sense if each bolt had 3 washers..

[745 turbogreasel]

Actually, because valves are not flush with the head, but slightly sunk, skimming head brings valves closer to piston at TDC.  This raises the compression slightly, [[not neccessarilya bad thing] but also increases the likelyhood of valve clash. I have recently reringed an overskimmed head that used to have a 2 nothch gasket. Valve clash means that I had to use a3 notch, [or actuallly a 5 notch 1.5] to gain a few thou gap . The only downside, is that I've gone from 45mpg to 55 to 65mpg ...
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Uh, you are supposed to cut the valve seats  at the same time.

[RustyToy]

Exactly how do I determine whether it is an 11mm or 12mm head?

i ask because I am about to tear it back apart.

[zukgod1]

The head bolts are either 11mm or 12mm...

[RustyToy]

The head bolts are either 11mm or 12mm...

That aint gonna work. the block is a 12mm block, judging by the 12mm bolts that came out of it.

an earlier post in this thread made reference to a 'modified 11mm head' needing those additional spacers on the bolts to keep th bolts from bottoming out.

I need to know whether there is any other way to determine what it is so I know whether those spacers are going to be required when putting it back together.


Another related question: If I were to replace the bolts with studs, am I going to need those spacers?

[zukgod1]

Ok lets see if I can be a little clearer for you.

Are you using a different head than you removed?

Yes it's different; then see if the 12mm bolts go through the holes, if they do its a 12mm head if not its a 11mm head.

No its the same head; than its a 12mm head as 12mm bolts will not fit in a 11mm head..

Hows that? Clear?
Chances of you having a modified 11mm head are SA-LIM...

Now for another point, There is no reason for there to be "extra" washers on the bolt if they are the correct head bolts.

[RustyToy]

Now for another point, There is no reason for there to be "extra" washers on the bolt if they are the correct head bolts.

Now that is an answer I can use!

In fact, if memory serves, that answers the question that i opened this thread with.

Thanks!