Editing Ford Sigma engine (section)

==Caterham usage==
Some [[Caterham Cars]] use modified Ford Sigma engines<ref>[http://uk.caterhamcars.com/cars/seven-270 caterhamcars.com]</ref> such as the Caterham Seven 270, which uses a tuned Sigma engine producing {{Convert|135|hp|kW PS|0}} at 6,800&nbsp;rpm as a modern equivalent to the original Ford Kent Crossflow engine used in the Lotus 7 from 1957 to 1972.<br />
Ford Sigma 1.6-litre overview Technical features:
* a high level of running refinement and low emission levels
* aluminium alloy cylinder block and head
* cross flow cylinder head
* structural aluminium oil-pan for increased engine stiffness
* individual throttle bodies in place of the standard intake manifold
* twin overhead camshafts each with five bearings
* sequential multi-port fuel injection system
* long life, [[glass fibre]] reinforced camshaft drive belt with automatic tensioner
* state-of-the-art Twin Independent Variable Camshaft Timing (on Ti-VCT variant)

{| class="wikitable"
|-
!Code!!Displacement!!Bore x stroke!!Power at rpm!! torque at rpm!!Compression
|-
|rowspan=2|Ford Sigma 1.6||rowspan=3|{{cvt|1595|cc|L cuin|1|order=flip}} ||rowspan=3|{{cvt|79x81.4|mm|in|2}}?||{{cvt|125|PS|kW hp|0}} at 6100 || {{cvt|162|Nm|lbft|0}} at 5350||rowspan=3|11.0:1
|-
|{{cvt|150|PS|kW hp|0}} at 6900 || {{cvt|162|Nm|lbft|0}} at 5600
|-
|Caterham Sigma 1.6 Ti-VCT EU4||{{cvt|115|PS|kW hp|0}} at 6000 || {{cvt|155|Nm|lbft|0}} at 4150
|-
|}