1974 Vacuum hose diagram PLEASE?!
03-22-2009, 02:01 AM
#1
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1974 Vacuum hose diagram PLEASE?!
Ive got a couple hoses in my engine bay that are leading to nighting but a plug, Paul67(/74) helped me a whyle back nail a few of them but Ive still got a couple that I hav no IDEA where they go to!
is there somewhere where I can find a diagram that will tell me where they go, Im tired if having to plug them off,
Miles
is there somewhere where I can find a diagram that will tell me where they go, Im tired if having to plug them off,
Miles
03-22-2009, 08:39 AM
#2
Team Owner
Your transmission-controlled spark (TCS) system has been bypassed/disabled. Note that the vacuum hose from the distributor diaphragm goes directly to the port on the carb. It should go to the small cylinder (TCS solenoid) just above your thumb and then on to the carb port. So essentially that solenoid with associated hoses is non-functional.
I removed the whole setup on mine. But you can put yours back to stock very easily if you can find a TCS diagram. In other words what hoses go where. My literature does not contain one unfortunately.
I removed the whole setup on mine. But you can put yours back to stock very easily if you can find a TCS diagram. In other words what hoses go where. My literature does not contain one unfortunately.
Last edited by Paul L; 03-22-2009 at 08:50 AM.
03-23-2009, 09:22 AM
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The TCS controls your trans kickdown, vacuum advance, and the cowel induction solenoid. I just went through this myself on my 74 L-48. I ordered a (REAL) GM tcs off of ebay. some guy in Florida had 96 of them ( why I don't know) for $59.95 + 8 bucks shipping. You can also get them through corvette central. I looked on wilcox but didn't see them. Mine ran alot better when I installed mine! Good luck!
