North American Turbocoupe Organization



vacuum lines on 87 tc
raylesk Offline
Junior Member
#1
Can someone tell me what the vacuum line from the intercooler to the inlet of the turbo is for? I was just going over a car that I bought and that one is missing.I understand the BCS valve being a bleed to control boost and all other vacuum lines but that one doesn't make sense to me.
Thanks
Ray
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Pete D Offline
Administrator
#2
Some of us think it's a feed for the speed control booster, a source of vacuum when the intake manifold and the vacuum tree are under boost conditions

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NATO Member. it's not a vice, it's an obsession
"The nice thing about each new day is nobody ever used it before" Barnaby Jones
88 TC X 2, 86 SVO, Main TC with K&N, 3"DP to 2.5"duals through Dynamax, Ric valve at 17+ and disconnected KS. Elite Bodega 16" chrome wheels. Autometer pod w/ A/F and Vac/boost gauges.140 mph Motorsports Speedo New engine: Total Seal rings and TRW pistons, ported and polished head w/ cc'd chambers,1.59"exhausts, SS valves, gutted upper, knife edged lower, A-230 cam, Race Engineering Adj Cam Sprocket, Crowlers, ARP head studs, and rod bolts. Walbro 255 HP pump and Kirban adj FPR, T-3. Centerforce II, KB subs and jack rails.
Pete Dunham


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