Articles
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Selecting the Proper Valve Springs
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... -
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...- 1966Mustang
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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...
What is meant by Degreeing the Camshaft, and why is it necessary?
The phrase "Degreeing the Cam" means you are making sure the camshaft's position in the engine coincides with that of the crankshaft, so that their rotations are synchronized. This is the only way you will know if the rise and...
Other related articles: Selecting the Proper Camshaft, Static vrs Dynamic Compression.
While most of our customers know what lift and duration are, most have no idea what the term Lobe Center means, or how it effects the engines performance. Therefore the biggest obstacle to overcome when...
The charts below were calculated using Virtual Engine 2000's Cam Utility Program. The charts list both Static and Dynamic C/R's for a 200ci engine with a zero deck height, using varied chamber sizes and valve timing (intake close). Calculations were computed using a Felpro head gasket which has...
Original Source: https://ciarchive.fordsix.com/HeadSwap.html
First, let start by saying that all 144, 170, 200, & 250ci heads are interchangeable.... and while the valve size, chamber size (cc's), and intake/port volumes (cc's) changed over the years, all of the small six cylinder heads will...
This tech article is a "work in progress". Information will be added as it becomes available.
Over the past few years we've flow tested several Australian 250-2V cylinder heads, as well as our own Aluminum cylinder heads. However we've always wondered how the cast iron "log heads" stacked up...
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...
The Duraspark II distributor is hard to beat as a triggering devise for an electronic ignition system. Coupled with either the stock ignition box or an aftermarket control box (such as as the Dyna Module or MSD-6A) it is a tough, readily available, reliable distributor.
Ford began using...
If you don't already know, there are numerous advantages to swapping out your old stock points style distributor for an electronic ignition system. In our opinion, regardless if you have a stock motor or a high performance rebuild, it's number one on the list for "Best Bang for the Buck"...
Oil is the life blood of any engine and our Inline 6's are no exception. Unless you planned on customizing your stock oil pan there was no other choice until now!!! These 6 quart oil pans are made in Australia by "High Energy" performance products and are imported by Fordsix Performance Parts...
SMALL SIX SPECS - 144/170/200/250ci
General Specs
YEAR
CI
Chamber
Intake
Exhaust
Log CC
Adv HP
Adv TQ
60-64...
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...
The single most important factor to be considered in selecting the proper compression (top) ring face coating material is the service requirements the engine will be operated under. Will the engine be subjected to unusual speed or load (high temp conditions), stop and go short trip driving...
The most common items over looked during assembly and installation of a rebuilt motor, are the motor mounts, transmission mounts, and the harmonic damper (balancer). Motor mounts are commonly bonded together using a variety of rubber compounds, while most OEM dampers utilize an elastomer...
Every engine requires a certain amount of oil flow to keep the bearings, camshaft, valvetrain and other moving parts lubricated. Oil forms a barrier that prevents metal-to-metal contact and reduces friction and wear. In the bearings, it forms a wedge that actually lifts and supports the...
1. Should I rebuild my 200/250ci six, or swap to a V8 like everyone else?
Published in Legendary Ford's July/August 2008 issue.
The inline six by design will produce more torque pound for pound than a V8. The reason is simple; a V8 spins the crankshaft 90 degrees for each stroke, while the inline six turns the crank 120 degrees between strokes. This means for every...
Ever wonder what size motor you have? If so, your not the only one. To the inexperienced enthusiast all small sixes look identical, however there are minor differences which can be easily spotted if you know what to look for. In this article we'll cover a majority of the differences, for engines...