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So, I just got done putting the car back together after replacing the exhaust manifold gasket, turbo gasket, and sealing the downpipe connection. The car started up just fine but it's running like crap. I can't rev the car past 3000 rpms. I can hit the accelerator to the floor and it won't rev past 3000 rpms. The revving is very sluggish too; delayed from the time I hit the accelerator and for the car to respond. I think it's possibly a vacuum leak but I'm not sure where.
The previous owner put on a front mount IC set up and deleted some factory items. The factory boost solenoid is no longer used. There is a BOV on the charge pipe which has a single vac hose running to the vacuum tree. The turbo inlet has two nipples. One hose goes from one nipple to the pcm and the another vac hose goes to the vacuum tree and slips into another line going into the firewall (I'm assuming that this is the cruise control vac line).
Now, the interesting thing is, there is a silicone hose elbow coming off the compressor outlet into the first piece of IC piping. I noticed that when I was giving the car gas, this elbow was collapsing on itself once I let off. Basically the vacuum was causing it to collapse. This has never happened before... Could there be a hole/rip in this silicone elbow which would cause it to collapse like that and be the source of my problems? Is there such a thing as excessive or too much vacuum? I didn't touch anything else while doing this project. ALL settings were left exactly the same as before. Thanks for the help guys!
The previous owner put on a front mount IC set up and deleted some factory items. The factory boost solenoid is no longer used. There is a BOV on the charge pipe which has a single vac hose running to the vacuum tree. The turbo inlet has two nipples. One hose goes from one nipple to the pcm and the another vac hose goes to the vacuum tree and slips into another line going into the firewall (I'm assuming that this is the cruise control vac line).
Now, the interesting thing is, there is a silicone hose elbow coming off the compressor outlet into the first piece of IC piping. I noticed that when I was giving the car gas, this elbow was collapsing on itself once I let off. Basically the vacuum was causing it to collapse. This has never happened before... Could there be a hole/rip in this silicone elbow which would cause it to collapse like that and be the source of my problems? Is there such a thing as excessive or too much vacuum? I didn't touch anything else while doing this project. ALL settings were left exactly the same as before. Thanks for the help guys!
88 Turbo Coupe: Front mount intercooler, MGW short throw shifter, full coilover conversion, tubular control arms front and rear, svo front brakes, vacuum assist brake swap, manual steering swap, GT35R turbo with external gate, pimpx ecu, 60lb injectors, 3 core aluminum radiator, Boport 1.5 cam, gutted upper, corbeau fixed back seats, and the list goes on.