First Gen Camaro
First Generation Camaro dedicated Site. Information, Photo Gallery, Tips, Facts, and everything you need to know about these musclecar legends. If you love First Gen Camaros, this is the place to be. Welcome to FIRSTGENCAMARO.COM

427cid Big Block Chevrolet Camaro Engine
427 Big Block Chevy

A pic of a 427cid Big Block Chevy engine in a Chevrolet Camaro. Notice the 850cfm Demon carb on top.

 TCI Street Fighter Automatic TH 400 Tranny 
TCI TH400 Auto Tranny

Here we see an aftermarket Transmission. This one is a TCI Street Fighter TH400 Auto Tranny.

Some Power Up Ideas for Your Chevy Camaro.

Twin-Turbo V8 Facts of Life

Few People Have Ever Experienced Really High Horsepower.

By C.J. Baker

Have you ever ridden in a vehicle powered by a properly engineered twin-turbo V8? No, a single-turbo V8, or heaven forbid, a single-turbo four cylinder is not the same thing, not even close.

We’ve all heard the wisdom that there’s no substitute for cubic inches, but cubic inches of what? Is it cubic inches of engine that count, or cubic inches of air in the combustion chamber? It’s obviously the latter.

So consider this, 15 psi of boost effectively doubles the size of an engine. That means 15 psi of boost will make a 350-cubic-inch performance engine seem like a 700-cubic-inch performance engine!

Actually, this picture isn’t accurate. If you understand engines, you’ll immediately realize that 15-psi boost more than doubles the performance an engine.

It does this for two reasons: first, the internal friction of the engine remains largely the same regardless of boost, so the extra power from turbocharging is almost totally available to power the vehicle; and second, the 15 psi of boost in the induction system actually helps push the pistons down on the intake stroke whereas the intake stroke created a pumping loss (negative torque) when the engine was normally aspirated.

Now you may be thinking that the turbochargers create exhaust backpressure that increases the pumping loss on the exhaust stroke, but let’s go back to the first sentence of this discussion — we’re talking about a “properly engineered” system.

That means the exhaust restriction created by the dual turbos will be minor, and that boost pressure will always exceed exhaust system backpressure. Simply translated, in terms of performance, a good twin-turbo 350 V8 will turn your inside out!

Okay, just for fun, let’s compare our 350 twin-turbo V8 at 15-psi boost to a 120-cubic-inch compact four cylinder running 30 psi of boost — twice that of the V8. By our rule of thumb, the little four-banger will now be flowing air equivalent to a 360-cubic-inch normally aspirated engine.

That’s impressive for a small engine, but it will still have only half the power potential of our twin-turbo V8 running at half the boost. If you push the V8 to 30-psi boost, you’ll have the equivalent of 1050 cubic inches and over 1500 hp, if it is done correctly.

By now you get the point. Bigger engines add power, but turbocharging bigger engines really gets the job done. Happily, there’s more good news associated with turbocharging the small-block Chevy V8, and almost all of it comes down to durability. To begin, the performance industry offers a variety of high-strength cylinder blocks in both iron and aluminum. Thicker main webs and four-bolt main caps are just what a turbocharged engine needs.

Next, the small-block Chevy uses five head bolts or studs surrounding each cylinder to help secure head gaskets. And of course, the aftermarket has a variety of premium head gaskets too. Then there are other heavy-duty parts readily available, such as forged crankshafts, forged connecting rods, forged pistons, special piston pins, and premium rings and bearings.

Finding all of these things is difficult for other engines, especially for four-cylinder engines.

Of course, the small-block Chevy V8 also benefits from a wide variety of high-performance cylinder heads, intake manifolds, and valvetrain pieces. Simply stated, nearly everything that improves airflow on a normally aspirated engine will also improve total flow on a turbocharged engine.

The next good news is that extreme duty drivetrain parts are readily available for rear-wheel-drive vehicles with V8 engines. This includes clutches, transmissions, u-joints, differentials and axles. Most of this was developed for drag racing or circle track racing. Such strength and durability is important when dealing with real power. For example, a 350-cubic-inch V8 running at 20-psi boost is capable of roughly 900 lb-ft of torque! You don’t feed that through a front-wheel drive transaxle to high-traction tires — at least not more than once.

Turbocharging is fun. It’s addictive. How much power can you make??

Some Aftermarket Goodies bring a big Power Boost

A review of some Basic Aftermarket goodies to Power up you Chevy Camaro


Have you ever ridden in a vehicle powered by a V8 tuned with some aftermarket goodies? Imagine a Chevy Camaro V8 powered with those same items! Awesome.

Here is a list of some items you can install in your average Camaro, to give some oomph to the ride.

A Good Performance Cam: Not too extreme if you plan to use the car on the street, or as a daily driver. Some good manufacturers for street/strip cams are Edelbrock, Comp Cams and Crane.

Crane CamsEdelbrock

A Good Air Filter: If the engine is going to have more power, you need more air. Remeber that an engine is an air pump. The more air in and out, in the same period of time, the more power it will make. Some good manufacturers for air filters are Edelbrock, Holley, Moroso and K&N.


A Good Carburator and a Good Intake Manifold: If the engine is going to breathe better, you have to compensate with more fuel. A performance carb and intake are always a good idea. Some good manufacturers for Carburators and Intake Manifolds are Demon, Edelbrock and Holley.

Demon CarburationEdelbrock Holley

A Good Exhaust System: With more fuel burned thanks to the Carb, air filter, and Cam, you need to get rid efficently of the gases. You fulfill this with a performance exhaust kit -headers and pipes-. Some good manufacturers for Exhaust Components are Flowmaster and Hooker Headers.

FlowmasterHooker Headers

Good and Reliable Gauges: With a modded engine, every component is suffering a little bit more than with a stock one. Oil gets hotter, water temp rises, among others. You definetly need to monitor all your engine vital signs to avoid failure. A good manufacturer for Street/Strip Gauges is AutoMeter.


A Powerfull Engine needs a Stout Tranny.

A review of Transmissions and Torque Converters for a Hi Perf Engine.


If you have updated your engine with many aftermarket mods, and you are really making tons of torque, you don´t have to overlook your transmission. We will take a look at automatic transmissions now, that have what it takes to handle the extra power you have in your V8.

An excellent auto tranny for a strip/street Camaro, is the TCI StreetFighter Transmission. It handles 500 Hp and is smooth to drive the kids to school. This transmission, coupled with a steel flexplate and a performance converter, can really shave your E.T.´s on the weekend. If your engine is a Small Block Chevy, your best bet is the Turbo Hidramatic 350, aka TH350. But if you have a Big Block Chevy under the hood, you should pick the Turbo Hidramatic 400, aka TH400. All this is perfectly explained in our section TRANSMISSIONS.


There are several manufacturers besides TCI that offer aftermarket trannys at good prices, like B&M. They also manufacture excellente torque converters and flexplates.


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