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Old 09-20-2019, 06:24 PM   #24 (permalink)
EcoModding Lurker
Join Date: Sep 2019
Location: Portugal
Posts: 15

Golf - '99 VW Golf Mk4
90 day: 51.37 mpg (US)
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Originally Posted by oil pan 4 View Post
Larger intake piping may help.
I drove a 2004 1.9l jetta for a little while that had some funky small squareish intake piping that looked like a restriction.
Actually intake manifold is quite ok for this engine.

I think that to get better I need to improve aero since I can squeeze 3.5l/100km(67MPG US) if I slow down a bit to 65km/h instead of 90~100Km/h. Road speed is what affects me the most.
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aerohead (09-21-2019)