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11-08-2012, 03:03 AM
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#1 |
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Registered User
Join Date: Jul 2012
Location: OMAHA, NE
Posts: 47
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Do I need these parts???
I have a 84 k10 with a sb 350 in it. I am getting rid of most of my emissions stuff and wasn't sure if I need this vacuum switch.
I am also getting rid of my cruise. It is the factory custom cruise 111. I was wondering if I needed this servo |
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11-08-2012, 10:28 AM
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#2 |
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Slots go on anything!
Join Date: May 2003
Location: Richardson, TX
Posts: 5,957
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Re: Do I need these parts???
I think that vacuum switch controls the TCC lockup. I would keep it, or at least trace the wire and see where it goes. The cruise servo can go if you are not keeping the cruise.
__________________
1974 Jimmy- 5.3/4L80e/NP241 |
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11-08-2012, 10:55 AM
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#3 |
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Registered User
Join Date: Jul 2012
Location: OMAHA, NE
Posts: 47
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Re: Do I need these parts???
The vacuum switch vacuum line ran to the vacuum port towards the back of the intake manifold just before the distributor. It's a 2 pin connector the colors are yellow and brown the harness runs through the firewall. I have a 700r4 tranny with overdrive.
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11-08-2012, 10:18 PM
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#4 |
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Registered User
Join Date: Feb 2010
Location: Fort Worth, TX
Posts: 727
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Re: Do I need these parts???
You can ditch the cruise control parts, however id recommend keeping the switch for tcc lockup.
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11-08-2012, 11:20 PM
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#5 | |
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Registered User
Join Date: Mar 2012
Location: Lincoln, IL
Posts: 880
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Re: Do I need these parts???
Quote:
 . vacuum operated but i cant get the electrical part, im a bit confused on that.
__________________
Her name is Quicksilver 1978 Chevrolet silverado, shortbox stepside currently being swapped IN is a LM7 5300 vortec, 4l80E, factory 4.11s, slammed, a dream ride and coined QUICKSILVER gotta pay $$ if you wanna play 
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