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TURBO CHARGED NISSAN SENTRA GA16DE
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TURBO CHARGED NISSAN SENTRA GA16DE
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The turbocharged mid-range POWERHOUSE!!
AMSOIL Lubricated spotless internals!
 

Intercooled Sentra GA16DE
intercooledsentra.jpg
1994 Nissan Sentra

This car is part of an on going process to turbocharge my little thunder machine.
Current upgrades include
AMSOIL Synthetic Motor Oil 10W-30 Turbo formulated
 
T-25 Garret turbo with Intercooler and Blow off Valve
Apexi Super AFC
Blitz Turbo Boost controller   (not shown)
MSD Boost timiming Master (not shown)
Gready Oil Catch can    (not shown)
Jim Wolf Technology Turbo Cam shaft   
Gready High Pressure Radiator cap
Unorthodox Racing underdrive Crank pulley
 
 
 
 
 

turbosentra.jpg

Tuning this beast has been the most difficult task.
Stock timing set to 8.5 deg BTDC
Spart plug gapped at .035 inch running NGK iridium 1 stage colder plug
Boost timing master start point 21/2 PSI
Retard setting approx 1/2 deg per psi give or take depending on conditions.
Turbospecalties fuel controller set to 40%
set lower when it is cold.
Super AFC  Hotwire Sensor 7/7 1 in 1 out
adjusted fuel for low throttle -6% from mid rpm graduated from center.
adjusted fuel setting for high throttle +6 percent from mid rpm and lowered gradually from center.
 
My boost setting is dependant on the current air temperature
Stock power 108 HP
Non turbo upgrades 0psi 120 HP
110 deg F and up 3 psi 135 HP
100 deg F and down 4 psi 145 HP
85 deg F and down 5 psi 162 HP
I use a higher gain setting in the heat and a lower gain setting in the cold.
75 deg F and down 6 psi 171 HP 
65 deg F and down 7 psi 179 HP
60 deg F and donw 8 psi 190 HP
 
HP rating is calculated for crank HP wheel HP would be 15 percent less.
Each PSI produces approx 8.5 HP for my car plus a linear curve for the current air temperature.
 
You can not boost high pressure in the heat the air is too hot and you end up adjusting the boost timing master retard so high to hold off knocking, that you loose any gain you might have had.  Heat is a real killer for turbo charged engines especially in Arizona.
 
Lets be real in the summertime my car is a real dog, but let it cool down a touch and I can eaisly keep up with most V-6 powered cars. Or any V-TEC honda.