Referring to the act of calibrating the Engine Control Unit (ECU) or Powertrain Control Unit (PCU). This is done for better performance, gas mileage, or to allow the components of the vehicle to run better after modification.

learn more… | top users | synonyms

2
votes
1answer
32 views

How inaccurate is the stock wideband 02 sensor in the SG9 Subaru Forester XT at WOT

As the title suggests, I'm trying to get concrete data on how inaccurate the stock wideband O2 sensor is in the Subaru Forester XT (MY06 to MY08). I am attempting to create a custom map for the car ...
3
votes
0answers
30 views

Rebuild for longevity

So, I have a question about a 98 2.0 rt neon. I am going to get a top/bottom rebuild on it, the block has 260000 km on it. I have seen rebuild kits on the market anywhere from 300 dollars (ebay ...
1
vote
0answers
76 views

BMW 320i 1992 Gearbox in Sports Mode

My cas is a BMW e36 320i, with an automatic gear box. The gearbox has three modes, Economic, Sports and ICE. When in Economic mode, The gearbox switches smoothly between the 5 speeds, however, the ...
1
vote
3answers
116 views

Can reading from the ODB port interfere with a custom STO map?

I recently had a full freeflow system fitted to my Opel/Vauxhall Astra Turbo Coupe. Along with this, I had a stage 1 STO map done to take full advantage of the new exhaust characteristics. At any ...
0
votes
1answer
2k views

What are the differences between multi-link suspensions and double-wishbone suspensions?

There are a multiple of different kinds of suspension, multi-link suspensions and double-wishbone are popular in some performance groups. What are the main difference between these two? What ...
0
votes
2answers
567 views

Add Muscles to my Tata Nano Car [closed]

Any Suggestions for Tuning my Tata Nano car into getting a muscle look and also an increase in power??.. Thanks in Advance.
1
vote
5answers
623 views

Why didn't tuning box or remap work on my mondeo st tdci

I brought a tuning box a few months ago. When I fitted it, it didn't work so I sent it back. They tested it and it was working fine, so I tried it again, but it wouldn't make my car any quicker. So I ...
6
votes
3answers
5k views

How to begin learning engine tuning?

Quite simply, I want to begin tuning and modifying automotive engines for hobby. I have always been fascinated with cars, and I want to become knowledgeable in as many aspects of car tuning as ...