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10-10-2003, 08:38 AM
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#1 |
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Senior Member
 
Join Date: Feb 2001
Location: Killen, Alabama USA
Posts: 3,628
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vacuum gauge ??
What's the deal with all the tach/vacuum gauges popping up everywhere? Was the vacuum gauge optional on series 10-30? I have several pieces of factory literature on these trucks and I have never seen mention of the vacuum gauge. I have seen 3 or 4 in series 40-60 big trucks. I have heard they were for the heavy duty "hydra-vac" brake set-up on bigger trucks. Any ideas?
Joshua |
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10-10-2003, 09:12 AM
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#2 |
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Registered User
Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,982
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I don't know what trucks came with a vacuum gauge, but one of the uses is to monitor fuel economy.
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I have sworn upon the altar of God, eternal hostility against every form of tyranny over the mind of man. - Thomas Jefferson |
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10-10-2003, 09:20 AM
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#3 |
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Resident Curmudgeon
 
Join Date: Dec 1999
Location: NH
Posts: 6,662
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Your assumption is correct. These vacuum and air pressure gauges are retrofitted from the series 40-60 trucks.
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Currently on or near the homestead: 67 Chevy SWB 2WD stepside 350/3 on tree (Pat's) 67 GMC SWB 2WD Fleet 402/auto (Brian's under construction) 67 Chevy 3/4 ton 2WD 402/auto (Business Hauler) 67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC) 68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC) 70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC) 71 Chevy SWB stepside (Crushed by tree - parts donor) 72 Chevy 3/4 ton 4WD (Parts donor) 72 Chevy 3/4 ton 4WD Suburban (Parts Donor) 72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC) 81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler) 82 Camaro Z/28 355/Super T-10 (Pat's toy) 93 Caprice 9C1 (Brian's Cop Car) 02 Toyota Camry (Reliable but a souless steel and plastic hulk) 2011 2SS RS Camaro M6 Factory Hurst Shifter  Maybe I need to sell some of this crap  Yet another Bozo with a sawz-all |
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12-09-2003, 02:22 PM
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#4 |
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Registered User
Join Date: Apr 2002
Location: Manitoba, Canada
Posts: 663
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Vacuum gauges are cool. Doesn't that blank in the instrument panel drive you crazy?
Orange County Truck Parts has a very nice vacuum gauge kit that retro fits our trucks.
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Present: 2015 Tacoma. Yeah, not a GM, but I love it. 1969 GMC 32,000 - fix, drive, relax, fix... 2019 BMW R1250 GSA - Yahoooooooo 1979 Honda GL 1000 - retro touring at its best. Past: '05 Sierra 4x4 - Had 270,000 KM and running well when it was written-off by a stop sign runner. '94 F-150 from the "F word" company. I'll admit it...good truck. Sold what was left of it for $800 to a guy who came to pick it up at 11:00 PM with cash in hand. Hmm. '79 Sierra Grande (Black) organ donor - perfect rebuildable 4-bolt 350 and a good TH350. '76 Sierra Grande (Orange) - hate isn't too strong a word. Kid who bought it turned it into a hot rod. '68 C-10 R.I.P. - Dad's old truck...too far gone to resurrect. '59 C-50 - with hoist. Truck is gone, wife isn't. Nuff said. Last edited by bluec10; 12-09-2003 at 04:52 PM. |
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12-09-2003, 02:57 PM
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#5 |
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Don't say "Oops!", Doctor
Join Date: Nov 2003
Location: Houston, TX
Posts: 677
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Yeah, I want a vac gauge for my 68. I don't give a flip about gas mileage. I just like the fact that I can monitor manifold vac all the time. A vac gauge can tell you volumes about what's going on under the hood.
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'Mutt 1968 CST LWB: R.I.P. 1967 Chevelle: TPI 454 beast 1967 C10 SWB: Claimed when Bumpster didn't put it on his list |
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12-10-2003, 12:58 AM
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#6 |
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Account Suspended
Join Date: Sep 2000
Posts: 3,991
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blue c10, whats this orane county truck place you speak of. And why didnt anyone tell me about before I was there last month :p
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12-10-2003, 01:02 AM
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#7 |
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A-Adam A-Adam
Join Date: Apr 2003
Location: Sarpy Co. Ne. South of Omaha
Posts: 263
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Orange County Truck Parts ?
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70 3/4 ton GMC Camper Special |
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12-10-2003, 01:12 AM
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#8 |
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Registered User
Join Date: Apr 2003
Location: missouri city, tx
Posts: 4,486
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you mean the truck shop in orange county, ca? if so www.truckandcarshop.com or www.carandtruckshop.com cant remember right now.
vacuum gauges will tell you if you have a problem with your engine by doing different things like going back and forth or getting to high or stuff like that.
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70 longbed 496/th400/Ford 9" |
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12-10-2003, 04:05 AM
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#9 |
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My other Love
Join Date: Aug 2001
Location: Castlegar B.C. Canada
Posts: 4,085
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I have a cluster out of a 40 series truck, haven't gotten around to it, until I get a factory tach too
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 Castlegar B.C.The great white North (Canada Eh!) Hooter_5@hotmail.com First generation Monte Carlo club pictures of my life |
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12-10-2003, 04:29 AM
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#10 |
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Registered User
Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
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hmm their tach conversion kit is $225
vacuum conversion kit is $155 tach/vac kit is $289 I wish i was rich...
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1969 GMC K2500  1996 Honda Accord 2007 Kawasaki KLR 650 |
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12-10-2003, 01:07 PM
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#11 |
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Registered User
Join Date: Apr 2002
Location: Manitoba, Canada
Posts: 663
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Sorry dinnut. That's what I mean. I didn't have their catalogue in front of me. By the way....they seem to have some pretty good prices - what do you think?
__________________
Present: 2015 Tacoma. Yeah, not a GM, but I love it. 1969 GMC 32,000 - fix, drive, relax, fix... 2019 BMW R1250 GSA - Yahoooooooo 1979 Honda GL 1000 - retro touring at its best. Past: '05 Sierra 4x4 - Had 270,000 KM and running well when it was written-off by a stop sign runner. '94 F-150 from the "F word" company. I'll admit it...good truck. Sold what was left of it for $800 to a guy who came to pick it up at 11:00 PM with cash in hand. Hmm. '79 Sierra Grande (Black) organ donor - perfect rebuildable 4-bolt 350 and a good TH350. '76 Sierra Grande (Orange) - hate isn't too strong a word. Kid who bought it turned it into a hot rod. '68 C-10 R.I.P. - Dad's old truck...too far gone to resurrect. '59 C-50 - with hoist. Truck is gone, wife isn't. Nuff said. |
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12-10-2003, 03:49 PM
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#12 |
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Senior Member
 
Join Date: Jan 2002
Location: Burghill, Ohio 44404
Posts: 3,401
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12-10-2003, 08:49 PM
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#13 |
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Account Suspended
Join Date: Sep 2000
Posts: 3,991
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I bought a ton of weatherstripping from them when I was there last month and they do have very good prices on some things
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