(HR) Hajes Racing

  • Manufacturing
  • Guides
    • Troubleshooting, Diagnostic & Repairs
    • HR Academy
    • BHG – Index
      • BHG – How to find out maximal boost of your turbo
      • BHG – How to find optimal air-to-fuel ratio for your TDi
      • BHG – Safe & simple ECU remapping guide
    • Calibration data calculators & remap simulator
  • SHOP
    • HRA guarantees
    • My account
    • Basket
    • Checkout
  • Tools
  • Articles
    • Best Masters and Books
  • Projects
    • Cars
      • eGarage
    • MTB
    • Survival
  • Help
    • About
    • FAQ
    • Contact
    • Donation
    • Sitemap

Know is do.

Testimonials
FREE eBook + ECU remap coaching
You are here: Home / Archives for cars / Skoda / octavia hr i / engine

BHG – Safe & simple ECU remapping guide

This article is part of the infamous BHG guides. The simplest and “safest” engine calibration (ECU remap) guide for beginners. Stop wasting your time, we will do "all" for you.Get more than €10,000 knowledge for a fraction of its value + no repair bills for common turbocharger and clutch damage [...]

ECU remap – The Secrets of Unlocking FREE Power

I’ve recently guided few fellow car hackers and I am starting to get a feeling that most believe I posses some magical “secret” for unlocking free power that evil car manufacturers purposely steal from us. All important has been written in my FREE GUIDE. Stop wasting your time, we will do [...]

Experiment with Garrett GT1646V refurbished turbo

I whined about refurbished turbos and I don't really like rebuilt/reused/refurbished things unless it is under supervision of Hajes Racing superior machining, repairing and design skills/experience...but there is sure few more masters around but they rarely do it commercially.  PLEASE READ WARNINGS BEFORE YOU PROCEED !!! IF YOU FIND INFORMATION [...]

Skoda Octavia II (1Z3) – oil temp problems UPDATE

I've been working on an improvement of oil cooling as mentioned in my initial post about problems with oil temperature. Summary and facts factory tuned car is not designed for spirited drivers keep engine oil under 110 deg of Celsius improve air flow throughout engine bay common VW spec oils [...]

Skoda Octavia II (1Z3) – oil temp problems

I've been sending oil samples into a lab for an oil analysis (see reports below). We have found out issues with excessive wear. I took my VCDS diagnostic tool and drove to my testing facility in mountains. The operating oil temp should be around 90 deg Celsius but it is a [...]

  Copyright © 2008–2025 Hajes · All rights reserved · Powered by Minimum Pro On Genesis Framework · WordPress · Log in

Once you stop learning, you start dying. Dismiss