Lohen MINI N18 Crate Forged Engine Build - Config 1

Lohen recommends this engine config for MINI owners who wish to refresh their old engine or improve the reliability of their current stock N18 MINI engine. If your MINI is remapped, Lohen recommends at least engine config 1A.

Parts included:

• Supertech N18 Pistons 10:1 compression ratio
• Supertech N18 Piston ring sets
• ARP Connecting rod bolts
• ARP Head stud kit
• ARP Main bolt kit
• Mahle Big end bearings
• Mahle Main bearings
• MINI intake valves
• MINI exhaust valves
• MINI valve springs
• Timing chain kit
• Lohen gasket kit

About Lohen Crate Engines

Lohen has used experience and knowledge of the MINI N18 engine (EP6 engine platform) to produce a remanufactured performance Crate Engine that strengthens the areas we see as common failure points from our tuning experience. The Lohen N18 Crate Engine is suitable for the MINI Cooper S  2010 - 2014 or MINI JCW 2012 – 2015 and is supplied on an exchange basis.

All engines are re-built in-house by Lohen to OEM or higher specification (based on the components used) from donor units that have been checked for tolerances and overall condition. Cylinder bores are checked for ovality and are either honed or bored-and-honed for the right size piston to the correct tolerance. Cranks are checked for size, wear and damage before they are re-used and, where appropriate, balanced to 0.1gram.

Depending on engine spec Lohen then uses Forged Pistons and Conrods (based on build specification) to strengthen the bottom end of the engine. The N18 short block is assembled using new piston rings, Mahle Motorsport bearings throughout as well as ARP bolt and stud kits.

Heads are checked for straightness, then pressure tested as well as having the cam tolerances checked. They are reassembled either with stock components or with uprated such as Steel Intake Valves, Inconel Exhaust Valves, Beehive Springs, Titanium Retainers.

All re-usable engine components are either ultrasonically cleaned or soda blasted following inspection and all engines are re-assembled using brand new gaskets, seals and chains.

Please note - Lohen Crate Engines are supplied as timed-up bare units without sump, oil pump, rocker cover or any other bolt-on ancillaries. The engines are therefore shipped dry and require final assembly and fluids prior to installation and starting.

If required, Lohen can supply a fully built engine for an additional charge. We also offer professional in-house installation and running in service at our workshop.

Optional Extras

Crank Shaft Balancing

Balancing of the crankshaft is important when building a performance engine. Weight out of balance from the centre point has a direct relationship to engine speed so, for those pushing the MINI engine harder, it is a vital the crankshaft is balanced to improve durability of the engine and, in particular, engine bearings, reducing engine vibration and improving performance.

Surcharge

Exchange unit

Lohen will apply a surcharge to every engine sold unless a donor unit is supplied and it is deemed to be in re-buildable condition.

Why do we apply a surcharge?

A surcharge is charged because Lohen recondition and re-use certain components, such as the head, crank and the crank case. We do this to reduce costs to customer and components will only be used if they pass strict inspection criteria. Any wearable components are completely replaced in the upgrade process.

How it works

The surcharge applies when a donor engine is not supplied back to Lohen or the condition of the donor engine is deemed by Lohen to be beyond re-buildable (i.e. major damage to head, crank, block bores or external parts of the engine.)

Once the donor engine is received Lohen will assess and measure the unit for tolerances and issue any appropriate refund of the surcharge within 7-10 working days. Should certain components within the donor engine be deemed unusable the surcharge will be only partially refunded. Please contact the sales team for full information.