Articles
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Ultrastang - The Ford 9-inch rear end
FORD 9-INCH REAR ENDS A number of years ago, I set out to search the salvage yards in an effort to find a 9-inch rear end to go in my '68 Mustang. I knew that my up coming plans for my car were going to be way beyond anything the weak 8-inch rear end could continuously hold up to. After that... -
How to Read Spark Plugs
Being able to "read" a spark plug can be a valuable tuning aid. By examining the insulator firing nose color, an experienced engine tuner can determine a great deal about the engine's overall operating condition. In general, a light tan/gray color tells you that the spark plug is operating at... -
Small Six Specs - 144/170/200/250ci
SMALL SIX SPECS - 144/170/200/250ci General Specs YEAR CI Chamber Intake Exhaust Log CC Adv HP Adv TQ 60-64 144 44-51 1.467 1.266 850 90 138 61-65 170 48-53 1.522 1.266 890 105 158 65-72 170 48-53 1.649 1.380 890 105 158 65-69 200 51-53 1.649 1.380...- 1966Mustang
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This page will give you a brief overview of our new aluminum cylinder head for the Ford small inline sixes (144/170/200/250ci). We will touch on our reasons for choosing the OZ250-2V platform (rather than a cross-flow) as well as the advantages, the flow test results, and estimated performance...
In 1980, Ford revised the castings of the 200 to incorporate a low mount starter. The bell housing pattern ended up as 2/3rd's of the small block V8 pattern. The top two bolts were placed differently due to the very short deck height of the 200 block. Mike Enren has taken one of these blocks and...
This is a placeholder for a future tech article.
Sniper 1100 -
https://www.holley.com/products/fuel_systems/fuel_injection/sniper_efi/sniper_efi_autolite_1100_one_barrel/parts/550-552
Sniper 2300 -
https://www.holley.com/products/fuel_systems/fuel_injection/sniper_efi/sniper_2300_2bbl/...
Classic Inlines offers rebuilt 1100-1V carburetors which are re-calibrated to eliminate the problems commonly found in factory calibrated carburetors, such as hesitation and/or flat spots. We currently have a fairly large inventory of 1V carbs in stock, which are rebuilt and ready to ship...
High-performance mufflers and exhaust systems are as much about looks and sound as they are about horsepower. Most people want mufflers and exhaust systems that look and sound as good as they perform. That's easily accomplished when the parts are new, but how about two or three years down the...
It has been published that headers will not work with A/C, this is an incorrect statement. What is true... is that headers will work with either Stock or After Market A/C, but it is not a simple bolt on upgrade.
Modifications are required to the compressor and/or alternator brackets to achieve...
One of the most common problems with the small six is blown header gaskets and/or exhaust leaks. However they can be minimized by following proper installation procedures. The use of locking bolts may help, but even then, leaks can and will occur if you don't torque the header flange bolts (or...
Do I really need a port divider? Will I get better performance or an increase in mileage? Will my exhaust system sound better with the port divider? Will a port divider help to prevent blown header gaskets? These are questions that have been asked and discussed many times on the fordsix forum...
Selecting the Proper Valve Springs
Valve springs are one of the most critical components of your engine. It is very important to match the camshaft and it's potential RPM range with the correct spring rate. We will attempt to explain it in this article, but first lets go over some valve spring...
The Pertronix Ignitor® converts the older points-type ignition system on classic cars, to a solid-state electronic ignition system that's completely concealed, providing a stock appearance. The kit includes new micro controller that installs in just a few minutes. Generally, it installs just as...
Stock Non-Adjustable Rocker Assembly - Rebuilt 1.5 ratio, stock non-adjustable rocker arm assembly, fully assembled and ready to bolt on. Recommended for stock applications where the cylinder head and/or block have not been milled more than a total of .125".
Stock Adjustable Rocker Assembly -...
Many racers and engine tuners have opted for state-of-the-art diagnostic equipment but have forgotten one of the simplest, as well as one of the most accurate tuning tools...... the vacuum gauge.
When using any vacuum gauge keep in mind that they are all calibrated at sea level and read-outs in...
There has always been a huge debate over which is better, hooking the distributor to ported vacuum, or to manifold vacuum. Some say ported vacuum must be use, while others say you should use manifold vacuum (such as the author of the article below). We recommend using which-ever works best for...
How The Stock Load-O-Matic Distributor Works
Here is a little clarification on how the "Load-O-Matic" distributor works, along with the infamous "Spark Control Valve" (or SCV). Not only is it important to know how they work, especially if your planning a carb swap, but how they work in...
If your building a performance motor, one of your first thoughts was probably 'How high should my Compression Ratio (C/R) be?" If so, you need to know the difference between Static Compression and Dynamic Compression, as Static compression is meaningless in itself.
First, lets talk about the...
How to adjust your valves properly
First, you need to determine if you have solid lifters or hydraulic lifters. Solid lifters were commonly used on the early 144/170ci motors, while hydraulic lifters were used on the later 144/170ci and all 200/250ci engines. However, this is only a rule of...
The ignition system is the part of your vehicle/engine that ignites the compressed fuel and air mixture in the combustion chamber. The system consists of a voltage supply (12-volt battery), an on/off switch (ignition switch), a distributor, a triggering device, ignition coil, spark plugs, and...
This article is about advance curves and HEI style Distributors. As such I would have to say that Steve Davis, the boss at Performance Distributors, is one of the most knowledgeable people in the country on this subject. Personally I have counted on a Performance Distributor to get the job done...
https:/ciarchive.fordsix.com/DizzyGear.html
This article covers distributor gear failures which occur in Ford small (144-170-200-250ci) inline six applications with aftermarket, hydraulic or solid lifter, flat tappet camshafts. It does not cover roller cam gear failures, as they were never an...
The following basic camshaft installation tips have been drawn from experience and reflect the most common mistakes that result in premature camshaft failure. These are not meant in any way to replace the Original Equipment Manufacturers (OEM) installation procedures. These basic installation...