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The owner of this Evo has been here before. He used to own a Subaru STi that Dan had tuned. With this Evo he already has a GT35r turbo, turbo manifold, intercooler upgrade, full 3.5″ down pipe to 3″ exhaust, Open Edit ECU flash software and had already been tuned at another shop. Upon arrival here he was making in the neighborhood of 365 awhp. We were told the car was having ignition problems. It was throwing random multiple missfire codes, it was breaking up on the street and during dyno tuning. Apparently this had been going on for some time because the car had a HKS Twin Power installed, and at one point the previous owner of the car told our customer to gap the plugs down to .024″! There is no reason to have the gap that low with this set up, unless you were trying to band aid a problem.

Dan started tuning and right away the car was breaking up. After a few more pulls Dan changed the spark plugs to a copper type instead of the platinums that were currently installed. The copper plugs were a heat range cooler also, and this definitely helped. There are a lot of little things that can greatly affect how a cars runs. Spark plug type, heat range and gapping are all small things that anyone who is changing their own spark plugs should be very aware of how it could affect the performance of the car. Dan tuned this car for a total of 3 hours. Unfortunately there were still some ignition gremlins that will have to be addressed at a later date. Even with the mechanical issues the car was having, Dan was still able to significantly improve the tune. Nothing was overlooked, he made sure all aspects of the tuning were done right. Not only did it make 50+ more horse power but the mid range was stronger and all the driveability issues it had were addressed.

The next time we see this customer, we hope to be able to uncork the car and see what its got.  Maybe the next time we see him he’ll bring us another different car to tune! Can we make a request? Dan has been itching to tune a twin turbo vette. Think you could make that happen? Nothing would make us more pleased than to flat line the Dyno with 1500 whp or more.

This entry was posted on Tuesday, February 9th, 2010 at 2:19 pm and is filed under Batlground Customer Cars, Batlground Tuned, Mitsubishi. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.