North American Turbocoupe Organization



premium switch?
Ford _Nation Offline
Member
#1
What's it for? What's it do? Does it REALLY work? Thanks.
Ron
88-TC
Gillisvalve
3" full exhaust
Custom K-N ram air
Ported Head
Kirban FPR
Walbro 255
BPV
Lakewood Drag struts&shocks
B&M short throw

85TC- Runnin 11.30's V8 style
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revamp Offline
Member
#2
It is what supposively limits your boost. You'll get lower lbs of boost when it's on regular. And your "full" amount when the premium switch.
88 TC W/ 87K:
K&N in custom sanded airbox||Gillis Valve||Stereo Sytem: Pioneer 8400, Infinity Ref. Series & Polk Audio Speakers Powered by 4 Channel Pioneer Amps||Performance Radiator & Cooling System||Custom Interior Converion||Gutted Cat & Dynamax Ultra Flow Muffler||Indiglo Gauges ||and more to come!
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Ford _Nation Offline
Member
#3
Do you feel any difference? I don't.

------------------
88-TC
Gillisvalve
3" full exhaust
Custom K-N ram air
Ported Head
Kirban FPR
Walbro 255
BPV
Lakewood Drag struts&shocks
B&M short throw

85TC- Runnin 11.30's V8 style
88-TC
Gillisvalve
3" full exhaust
Custom K-N ram air
Ported Head
Kirban FPR
Walbro 255
BPV
Lakewood Drag struts&shocks
B&M short throw

85TC- Runnin 11.30's V8 style
Reply

GaryS#2 Offline
Posting Freak
#4
It pulls timing too.
I notice a difference when I run only 92 octane with switch on prem.
I get a little rattle coming on just at 15 psi.
So I have to run 94 or switch it to reg.
It must pull timing by a few degrees under boost maybe?
Grocery Getter/Rice Cooker.
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Ford _Nation Offline
Member
#5
Sounds good Gary,now that you mention it the car does feel a little dingy at about 16+ must be pulling the timing. Thanks.
Ron


------------------
88-TC
Gillisvalve
3" full exhaust
Custom K-N ram air
Ported Head
Kirban FPR
Walbro 255
BPV
Lakewood Drag struts&shocks
B&M short throw

85TC- Runnin 11.30's V8 style
88-TC
Gillisvalve
3" full exhaust
Custom K-N ram air
Ported Head
Kirban FPR
Walbro 255
BPV
Lakewood Drag struts&shocks
B&M short throw

85TC- Runnin 11.30's V8 style
Reply

Jeff K Offline
Administrator
#6
When in the regular position, timing advance is roughly 3 to 4 degrees less than when in premium across the whole timing map, and the BCS will never open, limiting boost to 10 psi.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 20 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 00 Windstar (wifes vehicle)
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
11 Crown Vic Interceptor
14 Toyota Camry (wifes car)
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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Ford _Nation Offline
Member
#7
Thank's jeff. Guy's.

Ron

------------------
88-TC
Gillisvalve
3" full exhaust
Custom K-N ram air
Ported Head
Kirban FPR
Walbro 255
BPV
Lakewood Drag struts&shocks
B&M short throw

85TC- Runnin 11.30's V8 style
88-TC
Gillisvalve
3" full exhaust
Custom K-N ram air
Ported Head
Kirban FPR
Walbro 255
BPV
Lakewood Drag struts&shocks
B&M short throw

85TC- Runnin 11.30's V8 style
Reply





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