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4A-GE MK1 Engine, gain, mileage, improved, difficulty, believing, result, timing, reprogramming, fuel/air, ratio, 60hp, chips, performance, chip, claims, website, work
- Has anyone tried one of these chips? Do they really work? The website claims that you can get up to a 60hp gain with improved gas mileage. I am having difficulty believing that reprogramming fuel/air ratio and timing can result in such an hp gain.