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.
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 call to order.
It’s easy to get overwhelmed with information when shopping
for an engine. With all the engine programs and options available in the AMS
catalog we recommend that you call in and talk to one of our trained
professionals before making your decision. We can help you find the perfect
engine for your application and performance needs. No matter what your
performance goals may be we will get you an engine that best suits your
needs…no more and no less. So give us a call!
Vehicle Warranty and Emissions:
A
vehicle modified by the use of performance parts and tuning may not
meet the legal requirements for use on public roads. Use or
installation of performance parts and tuning may adversely affect the
drivability and reliability of your vehicle, and may also affect or
eliminate your insurance coverage, factory warranty and new OEM part
warranty. Performance parts are sold as is without any warranty of any
type. There is no warranty stated or implied due to the stress placed
on your vehicle by performance parts and our inability to monitor its
use, tuning or modification.
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