Stock turbo 8 91 octane
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Evolving Member
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From: salt lake city utah
Stock turbo 8 91 octane
Mods are:
Walbro 255lph
Aem air filter
Samco intake hose
Tbe
Cx racing intercooler(stock had a hole!)
Stock turbo elbow and piping
Innovate mtx-l wide and
Grim speed 3 port
Ma performance o2 dump
Walbro 255lph
Aem air filter
Samco intake hose
Tbe
Cx racing intercooler(stock had a hole!)
Stock turbo elbow and piping
Innovate mtx-l wide and
Grim speed 3 port
Ma performance o2 dump
Last edited by 01sporty; Feb 28, 2013 at 06:15 PM.
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Thread Starter
Evolving Member
iTrader: (5)
Joined: Dec 2010
Posts: 151
Likes: 2
From: salt lake city utah
did some marathon tuning today lol and some more logging trying to get the fuel curve a little cleaner and added a little more timing here are the results



pretty accurate hp numbers proven by the smoothing car was scaled with me in it pulls were done in third gear........on a back road in mexico



pretty accurate hp numbers proven by the smoothing car was scaled with me in it pulls were done in third gear........on a back road in mexico
Just a recommendation, lean the fuel out a lot further than 10.0-10.5 afr because that is very very rich. Lean out to something along the lines of 11.1-11.3 afr. Also start your pulls at 2500-3000 rpm
Nice work, I'd try leaning out though and try to get it around 11.0:1. There is usually decent power to be had from 10:1 to 11:1.
I found I had to drop into the high 10s though as well on the 91 octane to keep things happy by 25psi peak.
I found I had to drop into the high 10s though as well on the 91 octane to keep things happy by 25psi peak.









