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lordzedd
04-25-2006, 06:38 PM
What vacuum diagram should I reference for an 87 SC running a GLHS Stage 2 LM, as it looks like I have some vacuum lines missing, but I don't know how to fix them.

Thanks,
Zach

cordes
04-25-2006, 06:40 PM
You only need the vac lines for teh MAP, WGA, and FPR. If there are not any vac leaks and those are plugged in you should not have any problems.

87glhs232
04-25-2006, 07:41 PM
Brake booster might be nice too, which also feeds the heater/AC controls. If you have a purge (vapor) canister, those would be good also...though not nessecary unless required by emissions.

cordes
04-25-2006, 08:02 PM
Brake booster might be nice too, which also feeds the heater/AC controls. If you have a purge (vapor) canister, those would be good also...though not nessecary unless required by emissions.

Yeah, I guess you are right.:nod: I always run the same brake booster line off of the back of the manifold though, and it is not included on my vac block so I always forget to mention it. Thanks.

lordzedd
04-26-2006, 03:05 PM
Ok, I'll check that out. Right now I think only the MAP is connected.

GLHNSLHT2
04-30-2006, 11:14 AM
87 T2 should work fine.