chevrolet vortec engine

How do you clean an Aluminium Engine?

I have a Citroen 2CV engine that needs a chemical clean. It has been pressure washed but needs an etching cleaner that leaves a nice passivated good looking finish. Any ideas or suggestions?


I use a spray-on alloy wheel cleaner available from most good auto shops.
Leave on the ally bits for about 5 minutes, agitating with an old paintbrush on stubborn areas if you wish, then power-wash off.
Repeat if required.
This leaves

Citroen 2CV engine start by manual cranking

Citroen 2CV 1990 model. The video recorded on May 20, 2007 in Ibaraki, Japan.

Road test: 1983 Citroën GSA Spécial.

It wasn't always so; between 1971 and 1986, Citroen built approximately two and a half million GS and GSAs. A small bit of history is necessary here: the GS came out in 1970 and won the European Car of the Year award in 1971, a little bit surprising considering the numerous problems early production cars encountered. The GS sold well but started to show its age in the late 1970s. Citroen responded in 1979 by redesigning it slightly and naming it the GSA. The biggest modification was the addition of a hatchback, a feature growing in popularity on the French market. Other modifications included a new grille, new bumpers, new taillights, new hubcaps and new exterior handles. The GSA grew ever so slightly, measuring 13'7" in length, compared to the GS at 13'5". The Citroen BX arrived on showroom floor in 1982 and slowly replaced the GSA, which saw its light burn out when the last GSA station wagon rolled off the assembly line in 1986. in a couple dozen GS models in 1971 to display in US dealer showrooms and gather orders. The car drew attention and many people ordered them but new EPA and DOT laws (which in part concerned the hydropneumatique suspension) led Citroen to cancel its plans to sell the GS in the US, as well as the totality of the orders received. The few GSs they brought in were sold off.

Once in the GSA the driver is faced with an instrument cluster which can best be described as aircraft-like. A diagram of the car - which in 1983 must have looked more futuristic than a Star Wars film - with lines going from one part of the car to a light on either side of the diagram is the center of the cluster. The lights indicate when something needs attention such as when the oil level is too low or when the car reaches the reserve in the gas tank. In the middle of this diagram is a big "STOP" light that may as well read "abandon ship if this turns on." On either side of the steering wheel the driver finds big pods that contains buttons and switches, a setup also used on the CX and the Visa. The left pod houses the wiper command, the headlight command, the turn signal switch (which does not auto-cancel) and the horn. The right pod has the warning light switch, the fog light switches (if equipped) and something called an econoscope which flashes a light on the dashboard when the engine uses a lot of fuel, a light that with a four-speed comes on fairly often on the freeway.

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