Performance Clinic – Questions and Answers – September 2014

We answer readers’ tech questions!Stroker Questions a Photo Gallery: Performance Clinic – Questions and Answers – September

Mopar Engine Upgrades – Power Trip

The quest to improve an engine’s performance has been going on ever since the second car was built.The quest to improve an engine’s performance has been going on ever since the second car was built. Nobody wants to have less than the next guy, so hunti

Upgrading a Mopar Fuel System
Upgrading a Mopar Fuel System
Nowadays, we have an ample supply of aftermarket and restoration parts that at one time, we never imagined possible. Once in great while, a product comes along that’s so simple and innovative, it’s mind blowing.

Nowadays, we have an ample supply of aftermarket and restoration parts that at one time, we never imagined possible. Once in great while, a product comes along that’s so simple and innovative, it’s mind blowing. With Aeromotive’s latest Phantom/Stealth fuel system, you can have a quiet, hidden (the fuel pump fits inside the stock tank) setup that can support up to 1,000 horsepower in a carbureted application, or 825 horsepower with EFI—naturally-aspirated for your Mopar monster.

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Photo Gallery: Upgrading a Mopar Fuel System

426 Hemi Engine

It’s hard to believe it’s been 50 years since the debut of the second-generation hemispherical engine from Chrysler.The 426 Hemi a Photo Gallery: 426 Hemi Engine

Are You Choosing The Right Cams?
Are You Choosing The Right Cams?
We’ve all read the claims that adding a certain part or widget will add X-amount of horsepower to your engine, but are the claims actually true. Well, yes—and no.

We’ve all read the claims that adding a certain part or widget will add X-amount of horsepower to your engine, but are the claims actually true. Well, yes—and no. It all comes down to application, and no matter how similar two engines might be, the outcome will never be exactly the same.

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Photo Gallery: Are You Choosing The Right Cams?

Porting The Edelbrock Victor Jr Hemi Head

Increasing the airflow and horsepower from your Edelbrock Hemi heads is easy with these simple tips.You just got your new set of aluminum cylinder heads for your engine, but now you have a decision to make. You can either install the heads just as they

A Basic Primer on Fitting Piston Rings
A Basic Primer on Fitting Piston Rings
It’s a well-known fact that piston ring gaps represent an area of pressure loss in a running engine. It has been found that minimizing end gap under operating conditions offers a measurable power increase.

It’s a well-known fact that piston ring gaps represent an area of pressure loss in a running engine. It has been found that minimizing end gap under operating conditions offers a measurable power increase. However, under that normal operating temperature, rings expand due to heat retention, and if there isn’t enough gap, the gap may close entirely while the engine is operating—this is a bad thing. This condition is referred to as “butting” the end gaps, and the result can be disastrous. Traditionally, pre-gapped replacement ring-sets are “sized” for the nominal bore size of the engine, usually with generous end gap clearances to minimize the potential of butting the end gaps. In a serious performance application, custom sizing the end gaps to an exact specification will minimize the pressure loss through the gap, and enhance power. Manufacturers offer “file-fit” ring sets, normally spec’d at a .005-inch larger than the nominal bore dimension, providing an oversized ring, which can be custom fit to the cylinder bore.

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Photo Gallery: A Basic Primer on Fitting Piston Rings

Rebuilding a Coronet

Let’s face it, rust is an issue that everyone has dealt with at least once in their life. Even a Corvette guy has at least seen it.Let’s face it, rust is an issue that everyone has dealt with at least once in their life. Even a Corvette guy has at leas

Hemi Head Test – Mild & Wild
Hemi Head Test - Mild & Wild
The modern Hemi is an impressive piece of engineering. One need only look at the previous generation 5.9 Magnum engine as a comparison to see that Dodge made a massive evolutionary step forward when they introduced the Hemi.

The modern Hemi is an impressive piece of engineering. One need only look at the previous generation 5.9 Magnum engine as a comparison to see that Dodge made a massive evolutionary step forward when they introduced the Hemi. Who among us didn’t like the fact that the Hemi offered 100 extra horsepower over the outgoing Magnum 360? A big factor is that the Hemi was blessed with (relatively) massive head-flow. It seems that the engineers stumbled across the notion that you can get big power by combining mild cam-timing with high-flow cylinder heads. Thanks to the impressive cylinder heads, the Hemi has a reputation for responding very well to cam changes, but what happens after the cam swap? The question we were looking to answer is this; given the impressive head flow in stock configuration, is there power to be had from further improving head flow? In short, what kind of power gains are available from ported Hemi heads?

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Photo Gallery: Hemi Head Test – Mild & Wild

Hot Parts – August 2014

Check out these hot new parts!Get Rolled a Photo Gallery: Hot Parts – August

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