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General Engine Informations
Tuning Guides

1.8T engine block guide

The tuning setup of the 1.8T engine block
by
Bartek Bartoszewicz
Tuning Professional

1.8T Tuning: Block and connecting rods

Here you'll get all the info you need to get to 500 PS and beyond with your 1.8T engine block and connecting rods. We show you where the engine is installed, how the block is built, its bearings, crankshaft, pistons and connecting rods and more! You'll also learn which tuning parts you need for your 1.8T engine to get the maximum performance out of it. There's something for every performance goal.

All tuning parts for 1.8T 20V

All 1.8T engine codes

The engine block of the 1.8T engine

There are two different engine blocks. The 058 engine block was installed up to the production date of May 2000. In the Audi A4 B5, it is longitudinally mounted only. It has an internal intermediate shaft and an external water pump.

06A engine blocks, on the other hand, have no intermediate shaft, and the water pump is driven by the cam belt. They are installed in all vehicles with transverse engines.

1.8T engine main bearing/bearing shells

The crankshaft of the 1.8T engine

All 1.8T crankshafts have a stroke of 86.4 mm. They are made of cast iron or are forged. There are two different wheels used to determine the engine speed.

For 2.0L displacement
More displacement
More power
... and more!

Ready to ship immediately!

€1,343.66
Forged from 4340 steel!
Shot peened
Finely balanced
1.8T 20V 92,8 mm Stroke
2.0L TFSI 90 mm Stroke
2.0L TFSI 95,2 mm Stroke
2.0L TFSI 98 mm Stroke
... and more!

Delivery time 8 - 12 days

From
€1,764.66

The con-rods in the 1.8T engine

All 1.8T con-rods have a length (hole center to hole center) of 144 mm and a width of 24.9 mm.

  • 06A engines have a 19 mm piston pin (except 225 PS models that have a 20 mm piston pin)
  • 058 engines all have a 20 mm piston pin

All steel conrods

Tip
extrem leicht
enorme Belastungen
bis zu 650PS fahrbar
81.00 mm / 8.5:1
81.50 mm / 8.5:1
82.00 mm / 8.5:1
Skirt
Without coating
... and more!

Ready to ship immediately!

€924.33
Piston and conrod
high boost
Top quality
81.00 mm / 8.5:1
81.50 mm / 8.5:1
... and more!

Can be delivered in 5 to 8 days

€1,147.86
High Boost
Milled from the solid
Extremely light
With rifle drilling
w/o rifle drilling
... and more!

Ready to ship immediately!

€531.08
Displacement increase
More power
More pre-ignition possible
... and more!

Can be delivered in 5 to 8 days

€2,520.97
High Boost
Very light
Very stable
... and more!

Ready to ship immediately!

€714.44
Mahle H-Shaft Connecting Rod
Mahle piston
ACL connecting rod bearing
82.50 mm / 9.6:1
83.00 mm / 9.6:1
... and more!

Ready to ship immediately!

€1,260.46
Tip
High performance piston
Titanium-nitrided H-shaft connecting rod
ACL connecting rod bearing
82.50 mm
83.00 mm
83.50 mm
... and more!

Ready to ship immediately!

€1,848.70
Top quality
High boost
Super processing
82.50 mm
83.00 mm
... and more!

Ready to ship immediately!

€1,294.08
Billet
High boost
Made in USA
With rifle drilling
w/o rifle drilling
... and more!

Can be delivered in 5 to 8 days

€529.37
For Up to 1000 HP
Only 599 grams per conrod
With additional oil hole
... and more!

Ready to ship immediately!

€420.13

The 1.8T piston

Tip
extrem leicht
enorme Belastungen
bis zu 650PS fahrbar
81.00 mm / 8.5:1
81.50 mm / 8.5:1
82.00 mm / 8.5:1
Skirt
Without coating
... and more!

Ready to ship immediately!

€924.33
Piston and conrod
high boost
Top quality
81.00 mm / 8.5:1
81.50 mm / 8.5:1
... and more!

Can be delivered in 5 to 8 days

€1,147.86
MADE IN GERMANY
Extremely light
Reinforced for maximum performance
81.00 mm / 8.5:1
81.50 mm / 8.5:1
82.00 mm / 8.5:1
82.50 mm | 8.5:1
... and more!

Can be delivered in 5 to 8 days

From
€739.46
Displacement increase
More power
More pre-ignition possible
... and more!

Can be delivered in 5 to 8 days

€2,520.97
Low running clearance
Hole 81.50 mm
Low blowby
81.00 mm / 8.5:1
81.50 mm / 8.5:1
19 mm piston pin
20 mm piston pin
... and more!

Can be delivered in 5 to 8 days

€806.69
for powers up to 1000 HP
very lightweight
maximally reinforced
81,00 mm / 8,5:1
81,00 mm / 8,5:1 / Q
81,00 mm / 9,25:1
81,00 mm / 9,25:1 / Q
81,50 mm / 8,5:1
81,50 mm / 8,5:1 / Q
81,50 mm / 9,25:1
81,50 mm / 9,25:1 / Q
82,00 mm / 8,5:1
82,00 mm / 8,5:1 / Q
82,00 mm / 9,25:1
82,00 mm / 9,25:1 / Q
82,50 mm / 8,5:1
82,50 mm / 8,5:1 / Q
82,50 mm / 9,25:1
82,50 mm / 9,25:1 / Q
83,00 mm / 8,5:1
83,00 mm / 8,5:1 / Q
83,00 mm / 9,25:1
83,00 mm / 9,25:1 / Q
... and more!

Delivery time 8 - 12 days

From
€782.32
Displacement increase to 2.2L
Extremely light
With 20mm piston pin
... and more!

Can be delivered in 5 to 8 days

€705.84
Extremely light
Maximum amplified
Piston skirt coated
81.00 mm / 8.5:1
81.50 mm / 8.5:1
82.00 mm / 8.5:1
Skirt
Without coating
... and more!

Ready to ship immediately!

From
€714.24
FSR Design
20mm piston pin
For 144x20mm connecting rod
83.00 mm | 8.5:1
83.00 mm | 9.5:1
... and more!

Delivery time 8 - 12 days

€840.29
Original Wiseco
Reinforced for maximum power
For 144x20mm connecting rod
81.00 mm / 8.5:1
81.25 mm / 8.5:1
81.50 mm / 8.5:1
82.00 mm / 8.5:1
82.50 mm | 8.5:1
... and more!

Delivery time 8 - 12 days

€782.40

This is how the upgrade to 300+ PS will succeed.

As of a desired performance of 300 PS, we recommend the use of upgrade pistons and con-rods. This combination only works when the cylinder walls are in good condition, though. You get matching combinations of pistons and con-rods for your 1.8T engine from us.

Con-rods with oil drilling hole:

The oil drilling hole is a hole that is present from the small to the large side of the con-rod (riffle drilled). Thanks to this additional oiling, the piston pin has a considerably longer service life.

Bolts/studs:

What you need to upgrade to 400+ PS

1.8T cam belt system:

Main bearing

Main bearing supports

Prevents torsion
Highest stability
Oil separator
Galvanized stiffening plate

Ready to ship immediately!

€268.87
1.8T Main Bearing Girdle BAR-TEK®
Articlenumber: 2118t124
Up to 1000 HP
Less vibrations
Highfest
Made in Germany!

Ready to ship immediately!

€529.37

This is how you successfully upgrade to 500+ PS

Crankshaft

Vibration dampers

Piston pins

Bartek Bartoszewicz
Tuning Professional
His first car was a Polo Mk1 with a 40 Weber twin carburetor and 129 PS (95 kW). His second was an Audi 50. Today Bartek tunes Lamborghinis to 1000 PS (735 kW). Even as a young boy, Bartek disassembled vehicles and put everything back together better. He wrote his high school diploma with oil on his fingers. The trained automotive mechanic with a focus on engines and gearboxes was determined to go into motorsports. In his 10 years in Formal 1, he supervised 73 races, including as engine mechanic for Ralf Schumacher at Toyota. Since 2010, he has dedicated himself fully to his company BAR-TEK® and helps his customers to bring VW and Audi engines to peak performance.
Expert in
Engine
Gearbox
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Comments
Tim French
08.02.2024, 07:43 Uhr
What do you folks do about installing cracked rod bearings, I have been building engines for over 40 years and haven't ever seen lock tangless bearings, is their a special way to install the shells in the rod
Pierre Hollinde-Hoffmann
02.05.2023, 16:29 Uhr
Guten Tag Kann ich in meinem App Motor eine Kurbelwellen vom ein 1,9 tdi mit 96,5 hub verwende