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2004 NPS 4HE1-TC engine power Hi Andrew Thanks a heap for all of your information. Great to get some understanding of what is involved and the effect of those changes. I'll look into exhaust modifications first. The boost controller sounds helpful - do you recommend any particular...

2004 NPS 4HE1-TC engine power Hi everyone, I've just joined the forum and it is brilliant! You've all got some really interesting and valuable information to impart and it is really appreciated by 'newbies' like me. I've recently purchased a 2004 NPS with the 4HE1 turbocharged, intercooled...