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#1 |
Senior Member
![]() Join Date: Jul 2000
Location: North Texas
Posts: 3,486
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Hose clamps?
What type of radiator and heater hose clamps did the factory use on our trucks? And what type do you like to use?
I have some new Gates hoses for my 69 and want to replace the old worm gear clamps. If I do end up using worm gear clamps, I want some that are wider than what we normally see.
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Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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#2 |
Senior Member
![]() Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,901
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Re: Hose clamps?
I'm not sure what the factory used, but I like to buy stainless steel clamps from Lowes. I've never had one fail in many, many years of use. And they cost less than at the auto parts stores.
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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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#3 |
Senior Member
![]() Join Date: Dec 2009
Location: TN.
Posts: 8,079
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Re: Hose clamps?
I use regular Adjustable Worm Gear Hose Clamps.
The factory used these type (Tower clamps) Some vendors sell them here's a link below. Link: https://www.classicparts.com/1969-72...info/RC-5114/#
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________________________________________________________________________________________ ____________________________________________ 84 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build |
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#4 |
Senior Member
![]() Join Date: Jan 2012
Location: Texan, back in TX
Posts: 2,153
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Re: Hose clamps?
Here's a thread on the subject of original clamps. Looks like most people feel that tower clamps were used in 1969. https://67-72chevytrucks.com/vboard/...d.php?t=627474
Here's another thread talking about the use of tower style clamps. https://67-72chevytrucks.com/vboard/...d.php?t=717162 |
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#5 |
Registered User
Join Date: Jun 2010
Location: Upland Ca
Posts: 4,143
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Re: Hose clamps?
I went with Spring Clamps (Constant-Tension Clamps).
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1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner. 1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components. My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703 |
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#6 |
Registered User
Join Date: Oct 2013
Location: Lincoln, NE
Posts: 115
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Re: Hose clamps?
I used the tower clamps on a '70,
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#7 |
Senior Member
![]() Join Date: Sep 2007
Location: Albuquerque NM
Posts: 7,848
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Re: Hose clamps?
I have the original style tower clamps on mine
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1967custom |
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#8 |
Who Changed This?
![]() Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,385
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Re: Hose clamps?
When I worked as a piece-work mechanic I cut tower clamps off and replaced them with worm gear clamps. Bring on the hate!
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~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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#9 |
Senior Member
![]() Join Date: Jun 2022
Location: San Ramon,CA
Posts: 501
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Re: Hose clamps?
I believe the only surviving tower clamp on my 70 was on the PCV ;-)
I've come around to spring clamps, since they work on all my 21st Century cars |
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#10 |
Registered User
Join Date: Jul 2018
Location: Catskill Mountains,NY
Posts: 8,468
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Re: Hose clamps?
As I replace spiral clamps I’ve been replacing them with t band clamps . Never liked tower clamps you have to be super careful removing them or they won’t seal again.
Seen many a spiral clamp have rubber coming out the slots looks horrible
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Mark 72 c20 custom camper Husky edition, 66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark 1969 AMX , 1968 c20 stepside ,85 K20 1977 Suburban sold 68 anniversary. |
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#11 | |
Senior Member
![]() Join Date: Jul 2000
Location: North Texas
Posts: 3,486
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Re: Hose clamps?
Quote:
I'm now leaning towards these. Thanks for the advice.
__________________
Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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#12 |
Who Changed This?
![]() Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,385
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Re: Hose clamps?
I like these! May go that way next time.
__________________
~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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#13 |
Senior Member
![]() Join Date: Nov 2018
Location: Waterford California
Posts: 2,516
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Re: Hose clamps?
Back in my swap meet days I picked up a big box of assorted sized Tower Clamps for about $5 I believe at a garage sale, over the years I made damn good beer money with those things selling them to the factory look guy's.
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#14 |
68 C10 Longbed
![]() Join Date: Sep 2006
Location: Naples, Florida
Posts: 520
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Re: Hose clamps?
[QUOTE=MikeB;9225435]What type of radiator and heater hose clamps did the factory use on our trucks?
Wittek Tower Clamp style were common as were the hoop spring type that you squeezed to slide over hose and then released which tightened them. |
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#15 |
All stock and staying that way
![]() Join Date: Jul 2003
Location: Elkland, PA
Posts: 1,460
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Re: Hose clamps?
Caveat on the reproduction Wittek tower clamps. They are not made from the same steel as what originally came on the trucks. The metal bends much easier, and it's hard to get them to seal the hoses. I have to use a box end wrench to support the clamp tower part when tightening to prevent distortion.
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1970 K/5 Blazer CST 4WD, Bronze, 93k ACT. miles, 350, 4 speed, positraction, 16.5" x 8.25" wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration in progress... ![]() 1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor... ![]() 2017 Sierra 1500 SLT 4WD, Black, 41k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2... 2019 Canyon SLT 4WD, White, 60k miles, 3.6, 8L45, 3.23 LS, 18" wheels |
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#16 | |
Senior Member
![]() Join Date: Sep 2002
Location: Alamogordo, NM
Posts: 707
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Re: Hose clamps?
Quote:
I actually thought they were still being made by Wittek. Makes sense now that they are repos. Typical quality... |
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#17 |
Senior Member
![]() Join Date: May 2006
Location: Philadelphia, Pa. 19454
Posts: 9,504
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Re: Hose clamps?
JMHO, but as the rubber breaks down ( heat, chemicals), I like to have control
Of pressure with a spring clamp ![]()
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
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#18 |
Senior Member
![]() Join Date: May 2006
Location: Philadelphia, Pa. 19454
Posts: 9,504
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Re: Hose clamps?
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
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#19 |
Senior Member
![]() Join Date: Jul 2000
Location: North Texas
Posts: 3,486
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Re: Hose clamps?
Interesting thought.
__________________
Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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#20 |
Registered User
Join Date: Jun 2015
Location: Indanapolis, IN
Posts: 604
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Re: Hose clamps?
If you are going for a super clean look and not worried about original style I suggest these
https://www.gates.com/us/en/fluid-po...00-000000.html The main downside is they are not reusable. If you want IMO, the best clamps that are reusable, I would suggest these. https://www.murraycorp.com/turbo-sea...tension-clamps |
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#21 |
Senior Member
![]() Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,230
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Re: Hose clamps?
I installed era correct #6 & #7.5 Wittek band clamps for the heater hoses. They're like those found for the bypass hose. And Wittek Sure Tite #28 & #32 band clamps for the radiator hoses.
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Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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#22 |
Senior Member
![]() Join Date: Jul 2000
Location: North Texas
Posts: 3,486
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Re: Hose clamps?
Ended up ordering this style clamp for my new Gates radiator hoses.
As for the heater hoses, I expect problems removing them from the Vintage Air heater core, where they have been connected for literally 25 years. ![]()
__________________
Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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#23 | |
Registered User
Join Date: Jul 2018
Location: Catskill Mountains,NY
Posts: 8,468
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Re: Hose clamps?
Quote:
__________________
Mark 72 c20 custom camper Husky edition, 66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark 1969 AMX , 1968 c20 stepside ,85 K20 1977 Suburban sold 68 anniversary. |
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#24 | |
Senior Member
![]() Join Date: Jul 2000
Location: North Texas
Posts: 3,486
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Re: Hose clamps?
Quote:
I have a cooling system vacuum purge kit. Maybe I can use it to evacuate the heater core and hoses. Or make some kind of adapter to connect it directly to a heater hose. I also have a Mityvac hand pump kit. https://www.amazon.com/WIN-MAX-Engin...df_B0787JQSFH/
__________________
Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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#25 |
Senior Member
![]() Join Date: Oct 2020
Location: Kathleen, GA
Posts: 636
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Re: Hose clamps?
I was thinking of using the wire hose clamps like the one shown below. I have found they seal well and give that vintage look.
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