Thank you. CUSTOM!

 

I have LE3's that were milled down to like 54cc's so take that for whatever it's worth.

 

i guess he doesn't care about quench area? how deep in the hole is the piston?

 

Stock block has pistons in the hole about .025, but it varies. Quench area can't really be considered until you rebuild the bottom end since there aren't any gaskets that are .010-.015" thick. I don't know if that would even be wise.

 

So yours are a "little smaller" than 57? Meaning they are between 56 and 57? And that makes my answer of 57cc wrong how? And it makes a guess of 55cc correct how?

Of course no two are going to be identical. Even on the same head. And over time the nominal number might change as well as he changes what he is doing. And I doubt Lloyd cc's every set he does - he probably just provides that nominal number. When I cc mine I doubt they will be exactly 57. Relevance?

Getting back on topic, what CR do you calculate with your "a little smaller than 57cc" heads on a stock shortblock and .026 gasket?

 

in his sig it says 383 , thought he did a rebuild . guess he didn't

 

Actually mine are either 54 or 55cc, I believe their 54, but because i could'nt remember exactly I said a little smaller. Why would you assume that smaller would make them between 56 to 57cc? I wouldn't waste anyones time when taking about such a small difference. I'm just trying to help with what I've and others have run across when dealing with Lloyds heads. And if you haven't noticed there are already three so far in this thread that have had the same size chambers. Doesn't mean all of his heads are the same though does it? Relevance? The difference in the cc's between your heads and mine is enough to change the final compression. Then again, maybe "I'm" the one talking out his a$$. And for anyone that cares, Lloyd said with the stock height shortblock and the Impy head gaskets with the heads "I" have the motor would be about 10.8 to 1. Hopes this helps anyone looking for compression info. Have a good day and sorry for the long post. Rick

 

Thanks for clarifying your chamber size.

I took "a little" to mean "a little." 3 cc is a lot. That's almost half a point of compression.

You just got a standard LE2? The chamber size wasn't a special request?

Odd that Lloyd would say that the LE2+stock block+0.26 gives 11.1-11.2 if production variances are that wide. Also odd that Brett could give a CR of "low 11s" without asking what the chamber size on that set was.

But at least that explains why I get different CR from what they said.

Returning to my original conclusion which was

 

The reason Bret and Lloyd don't give out specific numbers is because each and every setup is different. For a stock block, they'll more likely to use close to stock chamber size in order to keep compression up. For a decked block, they might use a larger one to keep compression down, and so on and so forth.

 

It must be safe then nobody said it wasn't? clearance?

 

These guys can argue about the size if there equipment all day long and it really doesnt matter. If you have any questions about the heads or pertaining parts, ask Lloyd. He is great and will steer you in the right direction.

If you are running a stock short block with the le2 setup then you would have no issues with the .026 head gaskets. If you have taller pistons or if you have different size dishes, you would need to make sure that you dont have any PTV issues. You also want to make sure your quench is ok if you have done any bottom end work.

Good Luck

 

I'm with him. ^