Best 1.8T 20V Tuning Mods [Seat, Audi, VW, Skoda Tuning Guide] 1.8T Engine Performance Upgrades

The 20V 1.8T referred to as the EA113 predecessor is a great engine, so we'll look at the 1.8T Best Mods & Tuning Upgrades for your VW AUDI SKODA OR SEAT 1.8T Engine project.

Our focus is on the 1.8T turbo since 1993 the (Not the EA113 TFSi version as this 1.8T will be covered in a future video.)

If you know what the common tuning problems are, you can be prepared and hopefully avoid them by fitting the best mods and upgrades so we will highlight our selection of the best mods and upgrades for your 1.8T engine.

This video covers the tuning of the 1.8T engine and how to get 350hp and what pitfalls to look out for when you are adding power to your 1.8T.From turbo upgrades, to remaps and other performance mods like fast road camshafts, induction kits, head work, big valves and swapping your fuelling.

In depth coverage of tweaks and mods to the 1.8T's N75 valve and detailed explanation on what this is and what it does.

Small Port size head Engine Codes: ADR, AMB, AMU, APT, APU, ARG, ATC, ATW, AWM, AWP, BEA, AWT, ARX, ARZ, AWC, BJX ,BAM, APX, AMK, BVR, AJQ, AJL, APP, BBU, APY, AUQ, BEX, AYP, AVJ

Large Port size Head Engine Codes: Typically 97-99: AEB, AGU, AFY, AJH, VVT was included on AUQ, AWU, AWV, AWW, ARX, AUM, AWP, AMK, BAM

Use of Blow Off Valves in the 1.8T

Because of the loss of system pressure caused by the installation of a blow off valve or dump valve, difficulties with engine control may arise so we look at ways round this and your options.

This video also covers mods on the K03 K03s and K04 turbos and how to tune them and swap them around when upgrading your 1.8T engine.

Generally speaking the AGU APH ARX AUM AVC AVJ AWC AWD AWU AWV AWW BFB AJQ APP ARY AUQ BEX AMK APY APX AJH and BAM came with forged cranks but there are some exceptions to this list

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