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How to Identify a Muncie Four Speed

Thursday, May 25, 2017 11:45:36 PM America/Los_Angeles

Technically Speaking: Get it in the right gear




Q: Hello, my name is Zack. My dad and I are in the process of restoring a 1964 Corvette. My hope is that we can get the car running and driving for my senior prom next year.

The Corvette was originally equipped with a Muncie four-speed but the transmission was missing when we bought the car. I know we will probably never find the original transmission but I would like to get the most correct transmission possible for the car.

We recently went to a local swap meet but our problem is that all of the four-speed transmissions look the same. In fact, we bought a BorgWarner transmission by mistake. Is there an easy way to tell which transmission we should be looking for? I guess I am looking for a Muncie transmission guide for dummies.

Thanks,

Zack

A: Zac...

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Posted in Products By ATR Team

How It Works - Pertronix Ignition Systems

Thursday, May 25, 2017 11:33:19 PM America/Los_Angeles

Don Lindfors of Pertronix Performance Products Serves Up an Electrifying Education

At 7,000 rpm, a spark plug ignites the air/fuel mixture nearly 60 times per second. Any one of those 60 sparks going amiss can at best be mildly annoying, and at worst cost you a race or an engine. Now multiply that by eight cylinders, and it's easy to see why a properly functioning ignition system is paramount to performance and reliability. 

Strangely, ignition systems are one of those things that hot rodders seldom think about until something goes wrong. Don't be one of those guys. To get schooled on how to set up a top-notch ignition system for your ride, and get the inside scoop behind the technology that makes it all possible, we had a long, electrifying chat with Don Lindfors of PerTronix Performance Pr...

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Posted in Products By ATR Team

How To Buy A ’97-’98 Corvette

Thursday, May 25, 2017 11:11:10 PM America/Los_Angeles

Getting A Hot Car Without Getting Burned





Many people avoid or discount the first year(s) of a new body style, waiting for the bugs to be worked out, but when the ’97 C5 Corvette was first released, it was a very well-engineered vehicle. While there are a few items to look for when considering a purchase of an early C5, they aren’t major, considering it was a completely new body style featuring an entirely new engine, drivetrain, and suspension.

As with any car, there are routine things to check out. 

Check List

• Inspect the fluid levels and their condition. The automatic transmission will need to be checked on a lift, and there is a specific procedure for it.

• Inspect brake-pad condition. You should also road-test for any pulsation of the pedal at low and high speeds.

• Check exterior bulbs li...

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Posted in Products By ATR Team

E85 Fuel Switch - How It Works

Thursday, May 25, 2017 11:02:07 PM America/Los_Angeles

Thinking About Switching to E85? Here’s How it Stacks up to Gasoline, and Some Tips for Making an Easy Transition



Some forced-induction guys swear by the stuff, and it’s of the few things that both hot rodders and tree huggers can embrace. Farmers love how it fattens up their piggybanks, and lobbyists are working hard to spread its popularity by bribing lawmakers. We’re talking about ethanol, E85 fuel to be exact, and few topics are as polarizing in both consumer and enthusiast circles. We’re all about performance, so we’ll focus on the benefits of E85 instead. There are lots of them, but E85 comes with plenty of drawbacks as well.

If there’s one universal truth when it comes to E85, it’s that there are a ton of misconceptions and urban mythology floating around out there. For example, E85 i...

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Posted in Products By ATR Team

Cam Grinding Technology - How It Works

Thursday, May 25, 2017 10:41:01 PM America/Los_Angeles

Computer automation has pushed camshaft know-how, horsepower, and engine durability to the next level. COMP Cams breaks down the latest in cam grinding technology.


Everyone’s heard the saying that cylinder heads make power. While there is a lot of truth to that universal law of engine building, it’s only half the story. Pair a great set of heads up with a mismatched camshaft, and the resulting power curve will reach mediocre heights at best. Take, for instance, GM’s latest crop of LS small-blocks. Their beastly rectangle-port heads move massive volumes of air, but when matched with rinky-dink OE cam profiles, they leave equally massive piles of horsepower on the table. 

Consequently, it’s not surprising that a mild aftermarket hydraulic roller cam will typically add an extra 50-75 hp on one ...

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Posted in Products By ATR Team

How to Convert to a Crank Trigger Ignition

Thursday, May 25, 2017 10:17:19 PM America/Los_Angeles

Trigger Effect: 10 facts about converting to a crank trigger ignition—and even going distributorless



Precise ignition timing is essential for high-performance engine tuning and ensuring your small-block or big-block is delivering every horsepower within its capability. Since the era of poodle skirts, flattops, and Ed Sullivan, that’s been handled by a camshaft-driven distributor.

A gear at the rear of the camshaft meshes with another on the distributor shaft, spinning it and a rotor beneath the cap (at half the speed of the crankshaft’s rotation) triggering—or distributing—electrical energy from the ignition coil to each spark plug per the engine’s firing order. As mechanical systems go, it’s a feather in the cap of man’s engineering prowess, particularly when you consider the speed engines ...

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Posted in Products By ATR Team

How To Dyno Tune Your Corvette

Thursday, May 25, 2017 9:38:25 PM America/Los_Angeles

Dyno Time: Where the rubber meets the roller—the basics of dyno tuning your stock Corvette



Horsepower is at the heart of Vette and other enthusiast publications. It’s thrilling to read about Corvettes with 650 hp, 850 hp and even more. Unless the numbers are speculation, they come from dynamometers (dynos). With so many articles about wild engine builds, it may seem that dynos are the exclusive domain of highly modified engines. The truth is that dynos are equally valuable for mild mods and even purely stock engines. Here, we’ll explore the costs and benefits for dyno tuning relatively stock Corvettes.

Why take a stock Corvette to a dyno for tuning? The factory chooses settings for air/fuel ratio (AFR), timing and other parameters so that the car’s performance is “good” in a wide range of ci...

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Posted in Products By ATR Team

How to Create a Structurally Safe Garage

Thursday, May 25, 2017 9:01:49 PM America/Los_Angeles

Technically Speaking

Q:

I’ve noticed that more car collectors are building incredible garages to showcase their collections. Now, I’m an average guy who makes a decent living, but I can’t afford an extreme building like [Barrett-Jackson’s] Craig Jackson. Is there any way to build a cool “car castle” without breaking the bank?

I should note that I live in Florida, which is hurricane country, and having a detached building to protect my cars during a storm is a primary concern. My collection only consists of a couple of C2 Corvettes at this time, but I plan to add to it in the future.

Any ideas or guidance you can provide on this project will be appreciated.

Ben 
Via Email


A:

When you consider value of your collection—whether it’s two vehicles or 200—the need for a safe environment becomes paramount...
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Posted in Products By ATR Team

Gear Vendors Explains How To Save Gas - How It Works

Thursday, May 25, 2017 8:39:22 PM America/Los_Angeles

Gear Vendors Explains how to go Faster and Save Gas with its Overdrive Units



No one builds a hot rod to save gas, but downgrading to bare essentials and stiffing your roommate on rent will only get you so far before it’s time to park that 10-mpg big-block. Even when gas was still cheap several decades ago, Gear Vendors recognized these issues, and in response, engineered a bolt-on overdrive unit. These slick gizmos attach to the back of just about any transmission, and add an overdrive gear that can be actuated from inside the cabin with the flick of a switch. The really cool part, however, is the ratio-splitting ability offered by a Gear Vendors unit, which adds a host of underdrive ratios to the mix. This lets you keep the motor in the fat part of the powerband, which explains why Gear Ve...

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Posted in Products By ATR Team

How It Works - Budget Interior Upgrades

Thursday, May 25, 2017 8:13:20 PM America/Los_Angeles



Considering that hot-rodding is a visceral hobby defined by smoke, flames, and deafeningly loud sonic pulses, it's only natural that we gravitate toward the mechanical components that create these intoxicating sensations. In the quest for big compression, big cams, big rpm, big horsepower, big-stall converters, and big tires, rehabilitating the interior is often an afterthought. The irony is that the cockpit is where you'll be spending most of your time once that hot rod hits the road, and as such, getting poked and prodded by broken seat springs in a ratty interior gets real old, real fast. The good news is that interior restoration doesn't have to break the bank thanks to companies like TMI Products. It offers everything from seat covers to headliners to carpet to door panels to center c...

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Posted in Products By ATR Team
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