Pics of sleeved 4b11t block

[scheides]

AMS and ERI teamed up to do this!

From Tim our engine builder:

Over the last few months I have been looking at internal engine upgrades for the 4B11 evo X motor. We knew to push the limits and be reliable with these new aluminum blocks we’d have to look into sleeving. I contacted our friends at ERl, who are pioneers in the sleeving industry. From upgrading Honda blocks to tricked out tall deck LS1’s I knew these were the guys I wanted to work with. Starting from a brand new OEM block we started machining away the OEM cylinder liners. During the machining process measurements were taken to verify we weren’t disrupting the structure of the 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. This is where ERL can work their magic. ERL then installed proprietary ductile iron sleeves which are pressed in and sit in the machined step so they will not sink during engine operation. Once in place the new sleeves are machined flush or in our case a few thousands above the rest of the deck surface. This is similar to an o-ring and will help increase the clamping force on the head gasket. Each block then receives final bore sizing and cross hatching. Next we install AMS spec main studs and align hone the main journals. This is done to 100% verify that there was no movement in the block during any of the other machining processes. Now I’m ready for the internals!! Here are some pics of the build so far.

http://www.amsteam.net/files/592_filsp/_MG_0851.JPG

http://www.amsteam.net/files/596_fxqop/IMG_7671.JPG

http://www.amsteam.net/files/597_0kvue/IMG_7685.JPG

http://www.amsteam.net/files/598_urj7n/IMG_7707.JPG

http://www.amsteam.net/files/599_eoblc/IMG_7709.JPG

http://www.amsteam.net/files/600_ki6az/IMG_7722.JPG

http://www.amsteam.net/files/601_13fba/IMG_7742.JPG

http://www.amsteam.net/files/594_refem/IMG_7659.JPG

http://www.amsteam.net/files/595_upika/IMG_7664.JPG

http://forums.evolutionm.net/evo-x-engine-turbo-drivetrain/390178-building-bullet-proof-4b11.html

400whp (Mustang) has been done on the stock block already, so I'm not sure at what point doing this will be necessary.

[rose0529]

I saw this a little bit ago on evom ...looks so nice! Wonder what they are planning for this engine!

[FattyBoomBatty]

I like the 4 bolt mains.

[scheides]

Ya pretty sweet! Kinda cool that the sleeves are left a few thousanths above the deck of the rest of the head, so they act like o-rings.

[FattyBoomBatty]

They should have machined and drilled for dual oil squirters per cylinder. The bungs appear to already be there.

[Super Bleeder!!]

They should have machined and drilled for dual oil squirters per cylinder. The bungs appear to already be there.

Why? Keep it simple. There probably isnt an oil galley behind those bumps either.

[FattyBoomBatty]

simple isn't cool.

[rose0529]

AMS is selling these blocks now!

http://www.amsteam.net/files/670_e8dpj/bnrimg010%20copy.gif

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



http://forums.evolutionm.net/automotosports-illinois/392158-ams-product-release-evo-x-sleeved-block.html

[Super Bleeder!!]

I wonder if a bunch of typical evoM tards are going to jump on these engines and make a screaming 400hp.

I bet the stock block can do 600hp at least.

[scheides]

I wonder if a bunch of typical evoM tards are going to jump on these engines and make a screaming 400hp.

I bet the stock block can do 600hp at least.


People are making 400whp on pump gas on the stock block on stock appearing turbos already, so we'll see :)