It's
Spring Time
There's horsepower hiding in your valvesprings. Here's how to find
it. |
Cleveland
Cylinder Head Flow and Swirl Testing. Up close and personal
with 351C runner designs. |
Project
93 Cobra gets RHS Heads
Bonus Tech! How-to Piston Notching
 We
continue to bring the once stolen 1993 Cobra back to life. In this
issue we're replacing the stock GT40 heads, which the thiefs installed
after selling-off the other heads, for a set of RHS 180cc cylinder
heads...  |
Making
Molds
 Professional
cylinder head porters and designers spend a lot of time behind the
die grinder, but they also put a lot of time into analyzing the port
and runner shape. This is done by taking a mold of the port. Here's
how... |
Thinking
Out of The Box
 A
few years back the FordMuscle Forums were buzzing about a new small-block
Ford cylinder head out of New Zealand. The company was Pro-Topline
and guys in the states were clamoring to get their hands on them....
|
Dyno
Duel
AFR 165 versus AFR 165 Comp
AFR has raised the bar for aftermarket  small
block Ford heads with the introduction of the 165cc "Competition
Porting package." The part number #1404 head benefits from an
enhanced CNC porting program over the original 165cc head. We pit
both heads against each other on our Rob's Machine 347... |
AFR's
165cc SBF Head
Back in late 1999 when we were putting  together
our "Head to Head" article, comparing virtually all of the
small-block Ford (SBF) cylinder heads on the market, there was one
cylinder head that we were not able to procure. The AFR at the time,
was nothing more than a few prototypes on the trade show...
Part One: Flow Testing
Part Two: Dyno Results |
Solid
Investment
AFR's new 165cc "Competition" Head
Air Flow Research has arguably the most  potent
small-block Ford cylinder head on the market. Now they've improved
it. Take a behind-the-scenes look at its development and production
with AFR port designer Tony Mamo. Plus, we have exclusive flow testing
results. |
Bulls
eye
Testing Dart's Pro-1 CNC Heads
Heavy breathing  small-block
Ford engines, like our blown 331 project, require properly matched
cylinder heads. Simply looking for big flow numbers isn't enough.
We take a detailed look at how Dart Engineering used wet-flow technology
to develop their new Pro-1 heads for Ford Windsor motors. |
HeadRush
Flow Testing and Design Strategy of Edelbrock's Performer RPM 460
Head
 Everyday
that passes by leaves a smaller chance to score a working man's deal
on a pair of 429CJ, SCJ, or Police Interceptor heads for a street
smart 385-series Ford buildup. It's true that owning a pair will make
great... |
Head
to Head
Flowtesting SBF Cylinder Heads
It's
been nearly forty
years since the first289
 and
302's made their debut in Ford automobiles. Legends like Carrol Shelby
immediately went to work in search of more power out of these engines.
However back then the aftermarket availability for "bolt on"
induction parts was in short supply and to get power... |
Rock
Steady - The latest advancements in pushrod technology.
 The
challenge for the after-market is to continually improve upon pushrod
engine technology. Here we look at how Crane Cams' new shaft mount
rocker arms utilize advances in bearing technology and rocker arm
geometry to stay ahead of the competition... |
Porting your Stock
Heads
The aftermarket today for the Ford Windsor  small
block is absolutely fantastic. No more does the Chevrolet crowd have
the monopoly on easy to find go-fast goodies. The advent of the fuel
injected, roller-cammed 5.0 V8 changed all that. True, the prices
are still slightly... |
5.0L Lung Transplant:
Installing Holley Heads
and an Explorer Intake
 After
spending a few months contemplating what
induction modifications to make to our '88 LX project car, we've finally
come up with a combination that we think will make for a strong runner,
while meeting our driveability and budget... |
Heavy Breathing:
A Closer Look at Professional Head Porting
In this article we're going to discuss the benefits  of
professional cylinder porting. This will complete the spectrum of
consumer cylinder head options, as most people will either modify
their stockers, bolt on a set of aftermarket castings, or turn to
an experienced shop to get the most performance...
|
Testing the Roush
200 Cylinder Head
At last years SEMA show we reported that World Products was developing
a new small block Ford  cylinder
head. The real news was that the head was being developed in conjunction
with the legendary Jack Roush, and would bear his name. When we pressed
World reps for details, they simply told us that "when released
the Roush 180 and Roush 200...
|
Rocker Arm
Ratios: Is More Better?
What modification should I do next? It is the  proverbial
question, pondered by every automotive enthusiast at least once a
day. Most of us use the same universal formula for deciding upon the
next performance modification -the mod which will provides the most
gain for the least...
|
Make your Pushrod
Length Checker
Whether you've milled your heads, decked the  block,
or made other modifications, obtaining the right length pushrod is
essential for maintaining proper valve train geometry. We've had to
order custom length pushrods several times in the past, and each time
we were caught without an adjustable pushrod... |
