Guest mathewbaker Posted July 27, 2004 Share Posted July 27, 2004 i have a 78 280z with the l28, the car already has a header and i just got a 60mm tb. If i add a turbo afm will i gain more hp. Quote Link to comment Share on other sites More sharing options...
johnc Posted July 28, 2004 Share Posted July 28, 2004 No. And, most likely, the other two changes you made probably didn't gain you anything either. The basic, stock L6 engine is very well designed and that includes all the ancillary components. You have to upgrade the internals (cam, head porting, pistons, etc.) to really see benefits from headers, intake, TB, and AFM. I know that's not what you wanted to hear, but at least the changes you made haven't hurt anything. You'll gain more horsepower from a proper tune up (including valve adjsutment), and making sure there are no vacume leaks, all the FI sensors are working, and there are no electrical problems. Quote Link to comment Share on other sites More sharing options...
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