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Subject: Enging Tuner || New Question
Sender's Name: Paul
Question: Alan, do you know what the max safe boost pressure for a 99 Volvo S40 T4 is? Thanks Paul
Answer: Hi Paul. It depends on a number of factors! They run around .8 bar standard. Virtually anything will run 1 bar, assuming there aren't any specific tuning issues. A straightforward chip conversion would operate at that level safely. After that, it comes down to individual compression ratio, timing and fuelling. The trick is to avoid detonation causing piston melt down. Some tuners run these engines up to 1.2 bar, which is probably ok if you can accurately control the mapping. Most engines will accept high boost for short periods, it's the flat in fifth that kills them. Bear in mind any form of tuning carries a risk factor, and you must be prepared to accept some responsibility for that!
 
Subject: Enging Tuner || New Question
Sender's Name: L Barnes
Question: 306 D turbo-what can you do in the way of performance tuning for these cars? and what kind of power increase would i see for each modification?
Answer: We don't do these at all! We can chip the HDi's, but not the earlier cars, as they don't have an ECU. Try Van Aaken Developments.
 
Subject: Enging Tuner || New Question
Sender's Name: Jon Greenland
Question: Hi, Been to 2 tuners already, no good! Hope you can help, ecutek remapped uk 2001 wrx with exhaust and air filter mods std all other. ECL light on and flashes when driven hard. Been to another tuner and had new cam postion sensor and also gearbox neutral switch fitted at later date and problem still came back. I have OBD diag software now and just switch it off but really bugging me!! Can you help? Car has 62K and service perfectly (had cam belt at 42K when i bought it!!!). Any ideas, nobody can fix!!
Answer: Hi Jon. It would be helpful to know why the light is coming on. Are there any codes stored? Most Ecutek dealers would be aware of bugs such as errant de-cat warnings etc. Have you tried to find it on a rolling road?
 
Subject: Enging Tuner || New Question
Sender's Name: eddie
Question: hi,i own a st24 v6 and have problems with the car when it reaches 4000rpm as the car struggles to gain power and seems to splutter?could this just be o2 sensor or something along those lines.would you recomend getting the car tuned.seems to run fine untill 4000rpm,also looking to invest in a superchip for the car as it dosnt seem to have as much acceleration as it should for a v6!!!already have induction kit fitted and duel exhaust but still lacking power!can you help me.many thanks eddie.
Answer: Hi there. I'd be more likely to blame the mass air flow sensor, although I wouldn't replace anything without testing it. They do suffer from HT problems such as plugs, leads and coil packs, so I'd eliminate any misfires first. You need it tested on a rolling road!
 
Subject: Enging Tuner || New Question
Sender's Name: phill
Question: Hi i asked you about my alfa (page 3) squeek you said someone may have change a hose when i brough the car it was a front end damaged and stripped by some one else the very kindley threw all the bits away ,i got all new parts from alfa and the only pipe i have changed is the one witch goes from the airfilter up to the throttle body this pipe as also one going to the rocker cover could this have anything to do with it ,any advise would be greatfull cheers phill
Answer: Of course anything's possible! It's very hard to comment much on a noise when you can't hear it!
 
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