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Vauxhall 1.4L Multi-throttle & Carburettor kits 2nd upgrade
For 1.4 Litre 16V Engine Distributor less
Exhaust manifold type needed to run this with this kit *A or B-1.6L-XE

This kit is a competition progression from the first upgrade; producing an approx 30bhp increase over the basic kit. The MBE Ecu comes programmed & ready to run.

This has been achieved by an increase in lift on the cams to generate extra power but without increasing the duration, thus allowing the drivability to be maintained. It also requires the change from hydraulic to solid followers, involving replacement of valve springs, caps & platforms.
Valve train components & camshafts
It will be necessary to upgrade the injectors to the smaller high flow peco injectors INJ-480P along with changing the fuel rail. Also the fuel regulator should be upgraded, please see the Recommended options section of the Multi-throttle Basic Kit.
ROD134S-1.4 Con-rods
PIST-OM77.90XS Pistons
Once you have progressed to this level of upgrade, it would be worthwhile to consider cylinder head work and inlet manifold porting to increase the bhp by an additional 20bhp. This would include a changing the valves to wasted stem type along with bronze valve guides.
Additionally you may wish to consider the installation of a dry sump system for added protection, unless your class rules prevent it.
Dry sump kit
Headwork & new valves & valve guides
 
Basic Carburettor Kit | Basic Multi-throttle kit | Multi-throttle & Carburettor Kits - 1st upgrade
1.4L Vauxhall Components
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