North American Turbocoupe Organization



svo spearco help! Added pic
gadgetolds Offline
Posting Freak
#1
I have the svo spearco intercooler installed and need to know if anyone knows where the hoses run that come off the "T" in it. One has a check valve in it.

Heres a pic:

http://i146.photobucket.com/albums/r271/...080917.jpg
1988 Turbo Coupe - A237 cam, K&N Cone, T3(.60-.63), 255 Walbro, Gillis BV, gutted and knifed intakes, ported e6, 3" elbow/dp to dual 2.5s, Kirban and spearco fmic.

Up next, ported head, t3/t4 upgrade.
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gadgetolds Offline
Posting Freak
#2
Added a pic
1988 Turbo Coupe - A237 cam, K&N Cone, T3(.60-.63), 255 Walbro, Gillis BV, gutted and knifed intakes, ported e6, 3" elbow/dp to dual 2.5s, Kirban and spearco fmic.

Up next, ported head, t3/t4 upgrade.
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Pete D Offline
Administrator
#3
Just guessing. Possibly the green lines in this diagram:
http://www.turbotbird.com/FAQpage/Vac_Diagram.htm
Pete Dunham


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gadgetolds Offline
Posting Freak
#4
Thanks Pete I was wondering that myself. Originally it was hooked up in my old car with the ihi, since I have the t3 now and both lines on the stock ic and the t3 are blocked off, im wondering if I should just block off the nipples
1988 Turbo Coupe - A237 cam, K&N Cone, T3(.60-.63), 255 Walbro, Gillis BV, gutted and knifed intakes, ported e6, 3" elbow/dp to dual 2.5s, Kirban and spearco fmic.

Up next, ported head, t3/t4 upgrade.
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Robert Camp Offline
Posting Freak
#5
If you don't want cruise control.
Robert Camp
'86 Medium Regatta Blue TC, 5-speed, original owner.
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V6TBird87 Offline
Posting Freak
#6
Quote:Originally posted by Robert Camp:
If you don't want cruise control.
Cruise control will still work if you trace the line back to that T under the vacuum tree, and cap just that line, leaving the line running into the fender.

Both of my TC's were done this way.
2018 Mustang GT
1988 Turbo Coupe, 5-speed

aka Tbird232ci
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gadgetolds Offline
Posting Freak
#7
Quote:Originally posted by V6TBird87:
Quote:Originally posted by Robert Camp:
[b] If you don't want cruise control.
Cruise control will still work if you trace the line back to that T under the vacuum tree, and cap just that line, leaving the line running into the fender.

Both of my TC's were done this way. [/b]
Trace which line back, its not hooked up right now but im assuming the one with the check valve?
1988 Turbo Coupe - A237 cam, K&N Cone, T3(.60-.63), 255 Walbro, Gillis BV, gutted and knifed intakes, ported e6, 3" elbow/dp to dual 2.5s, Kirban and spearco fmic.

Up next, ported head, t3/t4 upgrade.
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John R Offline
Member
#8
There not connected on my car with the sperco and my cruise control works
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Robert Camp Offline
Posting Freak
#9
Please explain how the cruise motor, vacuum operated, works when the cruise takes it into the positive (boost) manifold pressure range. If the cuise never needs enough throttle to get to positive manifold pressure (relative to atmo) then you're okay.
Robert Camp
'86 Medium Regatta Blue TC, 5-speed, original owner.
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Pete D Offline
Administrator
#10
Normal vacuum supplies the vacuum under most conditions. When the engine need power, under boost, the positive air pressure in the system (intercooler) forces air through that 2 port fitting. A small amount of vacuum is created by virtue of the venturi effect and that becomes the supplemental vacuum for the cruise when the engine is making boost
Pete Dunham


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