Quick Answer: Garrett Turbo Size Chart

What do Garrett Turbo numbers mean?

25 refers to the “frame size” of the turbo, based on the turbine wheel inducer (the inducer being the top of the blade).

60 refers to the compressor exducer size, in millimeters, of the compressor wheel..

What is the biggest Garrett Turbo?

Honeywell Garrett GTX 5533R Gen IIHoneywell announces the release of the Honeywell Garrett GTX 5533R Gen II turbocharger, its most powerful turbo ever produced. The GTX 5533R Gen II turbocharger features brand new and highly advanced GTX compressor wheel technology in a large frame turbo producing 1,000 to 2,500 horsepower.

Why are Garrett turbos so expensive?

All the components have to be very finely toleranced which makes the machining costs fairly daft. The internal components of a turbo spin at a hell of a rate, under very high temperatures with considerable amounts of stress so its no wonder they are expensive.

At what RPM do turbos kick in?

While your car’s engine revs, at cruise, at around 2,000 rpm, a turbo’s turbine can reach rotational speeds of more than 280,000 rpm.

Does any turbo fit any car?

In short, although you can theoretically add a turbocharger to almost any naturally-aspirated engine, it’s not a plug-and-play process. There are a lot of parts that require careful consideration. Luckily, some tuning companies have taken some of the guesswork out of the process.

How do I choose a turbo size?

How to Pick a Correct Turbocharger SizeAssess your budget. … Determine the required airflow in cubic feet of air per minute. … Calculate your engine’s non-turbo airflow in cfm. … Divide your required airflow by your engine’s stock airflow to determine the required boost pressure ratio (the ratio of boost pressure to atmospheric pressure, which is about 14.7 psi).More items…

How much horsepower can turbo add?

Supercharger or turbocharger A turbocharger works with the exhaust system and can potentially give you gains of 70-150 horsepower.

How do I know if my Garrett Turbo is real?

Look for the identification name plate of the turbo. In the T series you can usually find it on the body of the turbo or on the inlet plate, held by 2 clinches. Although in the GT series it is usually recorded by computer on the compressor housing or with a name plate held by 2 clinches.

What are the different sizes of turbos?

Types of turbochargersSingle turbo. The simplest, and still most common, type of turbo is the single-turbocharger set-up. … Sequential turbos. … Twin-scroll turbo. … VGT turbo. … Variable twin-scroll turbo. … Electric turbo.Sep 4, 2017

What is the most reliable turbo car?

For those with turbo addiction problems or looking to start a new habit, here are 10 cars with boost that can still be had on the cheap.Toyota Supra MK III (1987-1992) … Mazda RX-7 (1985-1991) … Chevrolet Corvair (1962-1966) … Buick Regal Turbo T-type (1983-1986) … Subaru Impreza WRX STI (2004-2007) … Dodge Neon SRT4 (2003-2005)More items…•Dec 7, 2018

Are turbo engines more expensive to maintain?

Do turbocharged engines require more maintenance? The short answer is yes. … A turbocharged engine will not forgive low oil level, poor-quality oil or extended intervals between oil changes. Most turbocharged cars need high-quality synthetic oil and have shorter maintenance intervals.

What is considered a big turbo?

A “Big Turbo” is whatever is “big” enough for you. Anything bigger than what you need is either scary or dangerous. If a little’s good, then a lot’s better and too much is just right.

How much horsepower does a turbo add to a 4 cylinder?

With only 6 to 8 pounds of boost pressure, a turbo can increase power output 15 to 25 percent or more over a naturally aspirated engine. Consequently, a turbo four-cylinder engine be used in place of a larger V6, and a turbo V6 can replace a larger V8 with no loss of performance.

How do I know what turbo to get for my car?

Take a look at the badges on the rear of your vehicle, and look for the word “Turbo”, or the letter “T”, in conjunction with other letters, which is usually used to denote the word turbocharged (e.g. TDI, TSI, TFSI, TDCI).

What do turbo size numbers mean?

Using Precision Turbo’s ‘chargers as examples, the numbers represent the diameters of the inducer and exducer on the compressor and turbine wheels (measured in millimeters, from tip to tip of the blades on each wheel). … The last two numbers refer to the size of the turbine wheel (66mm).

What does a r mean on Turbo?

Area over RadiusA/R stands for Area over Radius. It is defined as the inlet (or, for compressor housings, the discharge) cross-sectional area divided by the radius from the turbo centerline to the centroid of that area.

What’s better single turbo or twin?

Singles are great for making big horsepower too. They tend to have a broader power band than a twin turbo setup and do not run out of steam on the top end. The single turbo does build boost slower, so it makes it easier for high horsepower drag cars to hook up from a dig.

What is the best turbo brand?

Todays Most Popular Turbos – Go BigHKS GT II 7460.Source: motovicity.com.Garrett GTX2860R and GTX3067R.Source: turbobygarrett.com.Turbonetics GT-K.Source: turboneticsinc.com.Godspeed Upgrade turbo.Source: godspeedproject.com.More items…•Oct 9, 2013

What happens if your turbo is too small?

If the turbo is too small, you are not running the compressor in it’s “happy zone” of low heat/high efficiency. The same can be said for a turbo thats too large, but because of the low boost pressures there is low heat, so too large rarely has a heat problem.

What size is a GT45 turbo?

68mmGT45 has 68mm inducer wheel… so its a 68mm turbo with a big exhaust side.

Can a turbo be too big?

Believe it or not, you can have a turbo that is too big… … You can have a big turbo that is not matched properly with your engine or even matched properly with itself (size of hotside vs compressor).