Welcome to Mike’s blog. I hope you find my articles helpful as well as informative. I welcome comments on any of my articles. You might also want to sign up for my email notification so that you are notified any time a new article is added. We have a ton…
If you search for the name Pontiac on Wikipedia, the result shows you a now defunct car brand owned by American automaker General Motors, a city in the US state of Michigan and war leader of the Ottawa tribe during Pontiac’s War among others. Let’s start chronologically to get a…
We have 4 different carburetor choke types, Integral, Divorced, Electric & Electric Conversion. Each of these chokes are described below. You should know which type of carburetor choke you have, which will help you order the correct part. Intregal Choke The integral choke is mounted on the carburetor, either near…
Recently I was driving through Oceanside California and a sign on a building caught my attention. “Bob’s Carb’s”. The 1st thing I thought was WOW, you don’t see many carburetor shops these days. I was curious about the business so I turned off and went inside. Hi, My name is…
Carburetor percolation can happen when your engine gets hot, then you turn the engine off and the fuel boils over, sometimes over the top of the carburetor, or more often, simply evaporates. Back in the day we called this vapor lock, which simply meant that the fuel turned to vapor…
When the engine is cold a richer fuel mixture is needed. As it warms up the mixture must be leaned out. This is where the automatic choke circuit comes into play. Choke Thermostatic Coil The choke shaft extends through the carburetor into a round housing. Inside the housing there is…
The Motorcraft 4300, 4 barrel carburetor power piston is used to supply extra fuel when powering up. Motorcraft 4300 The power piston is made of brass (at least the piston itself is) and fits into the float bowl top. See #26 in the diagram. The purpose of the power piston…
For most original gas tanks, the tank gauge unit is located in the gas tank. The tank contains a float that is attached to a resistance device similar to that used in an electric oil pressure sender. See the resistance unit in the illustration. The travel of the float up,…
Stromberg Worn Throttle Shafts Stromberg WW carburetors are notorious for having worn throttle shafts. Unfortunately unlike most carburetors, the WW wears out the shaft instead of the throttle body. As I mentioned, most carburetors wear the throttle body and while not a simple process, re-bushing the throttle body on these carburetors is very doable as long…
April 1st, 2016 Tesla unveiled their much anticipated Model 3. Thousands put down deposits, even though Tesla itself says, “Model 3 will begin production in late 2017,… ” That’s a long wait, but early adopters aren’t easily dissuaded, as shown by demand for the impressive Tesla Model S. But just…
O2 Sensors – Engine Performance from a Capsule Long gone are the days when car engine were simply using 4, 6 or 8 pistons, a carburetor and a few other auxiliary elements in order to make the vehicle move forward. While, from a mechanic’s point of view, such powertrain units…