Quoted from evo M

"AMS EVO X Sleeved Cylinder block

AMS is proud to announce the release of our new engine program for the EVO X. At the core of this program is our new iron ductile sleeved 4B11 shortblock. In conjunction with ERL PERFORMANCE (http://www.erlperformance.com/) we are now able to provide a much stronger building block for those looking to run some serious power through the 4B11.

Each AMS block starts with a stock 4B11 core. First the block is machined down until the OEM cylinder liners are no more. During this process precise measurements are taken to ensure that there is no structural disruption of the cylinder block. After removing all of the necessary material and machining a step at the top of the bore a final inspection is done to ensure no block distortion. From here ERL then installs proprietary ductile iron sleeves. The sleeves are pressed into the block to sit on top of the machined step. This ensures they will not sink during engine operation. Once in place the new sleeves are machined a few thousands above the rest of the deck surface. This acts much in the way an O-ring does on a closed deck block and allows for a tighter sealing surface between the block, head gasket and head. From here each block is cross hatched and gets its customer chosen final bore size. One of the last steps involves installing a set of AMS spec main studs and align honing the main journals to allow for perfect fitment. Align honing is crucial as it ensures everything lines up correctly even after the machining process.

As you can see it’s a pretty involved process but when it’s all said and done you have yourself a pretty stout shortblock capable of taking a great deal of HP.

The cost for this service is $1895.00 and it gets you everything you see above.
If you do not wish to send in a core to have machined then there will be an additional $1534.00 for a new OEM 4B11 block. You are also given the option of choosing any bore size between 86mm and 88mm based on your needs.

We will be offering built short blocks in the future but for those Do-It-Yourself guys out there we thought it would be a beneficial to offer the possibility of choosing your own internals.

Please feel free to ask any questions that you may have. Our engine builder Tim will be monitoring this thread to field any questions on this particular part. Thank you and enjoy the pictures!

Eric
http://www.amsteam.net/files/665_7wbsv/amsevx_sleevedblock_01.jpg
http://www.amsteam.net/files/666_ldxmn/amsevx_sleevedblock_02.jpg


http://www.amsteam.net/files/667_jcfss/amsevx_sleevedblock_03.jpg

http://www.amsteam.net/files/668_w5hlv/amsevx_sleevedblock_04.jpg
http://www.amsteam.net/files/669_cllio/amsevx_sleevedblock_05.jpg"

wow that looks great

i might have AMS build me a motor for racing. seems like a fun thing to do 3-4 years down the road

awesome work guys! how much boost can this sleeve take on?

i might have AMS build me a motor for racing. seems like a fun thing to do 3-4 years down the road

Your new job must be paying off big time!!

awesome work guys! how much boost can this sleeve take on?

they just released it. but if the stock running over a year now in black track evo /Bryan/ over 30 PSi....
then who knows?

wow that looks pretty good and the 4b11 is starting to get up there pretty fast. Something I will probably never need or afford.

so how much power can this sleeve afford?

looks great! I wonder how long the process is gonna take?

looks awsome but i think its a little out of my needs range.

My pants are getting hot just looking at it.

^^^Dam, I wish I lived close to some of these guys

awesome work guys! how much boost can this sleeve take on?
Wrong question. Boost is irrelevant. What you should be asking is how much power they can handle and knowing ERL I'd say over 1000 HP easily.

Your new job must be paying off big time!!

i said 3-4 years down the road

Nice I just wish a new block didn't cost so much for that is the only why I would do this.

Your new job must be paying off big time!!

LMFAO :bowlol:Liquid_Ag

Thanks to the OP for putting this up, i haven't gotten around to it as we have been kinda busy lately with things going on here at the shop.

As for the block only time will tell how much it can handle, really we have not even figured out what the stock block can hold. So in a sense we are just doing the R&D for the future so when we do find the weak link we will already have a solution. In theory this should support 1000hp plus

Ok I have to ask please don't bash :) What exactly is "sleeving"?

They bore out the aluminum block and line the cylinders with iron "sleeves." It kinda explains it in the first post if you read all the details.

KiL

http://http://forums.clubrsx.com/images/smilies/drool.gif

wow......me want :D