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#1 |
Registered User
Join Date: Apr 2007
Location: Strykersville, NY
Posts: 41
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72 Blazer K5: Is is possible to remove distributor with engine in truck?
Hello Folks,
I have a 1972 Blazer K5 4x4 with a stock 350 engine setup, I tested the vacuum advance unit on my distributor today and found it to be non functional, not holding any vacuum, the diafram inside is probably toast. I'd like to proceed to replace the vacuum advance unit and my thought was to pull the distributor out to make sure I don't drop small screws down into the works, as I'm swapping in the new unit, but wanted to ask, if there is room on the 4x4 Blazer to lift the distributor out while the engine is in the truck? (seems pretty tight up against the firewall) Or do I have to swap the vacuum canister with the distributor in place in the engine? Thanks! -Ian |
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#2 |
Registered User
Join Date: Apr 2023
Location: Edmonton,Alberta, Canada
Posts: 50
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Re: 72 Blazer K5: Is is possible to remove distributor with engine in truck?
Going back a lot of years. but changed my original distributer to a GM HEI. Was done in place. Probably have to remove cap and wires. Mine was in a suburban 4X4 350. It is a tight squeeze.
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#3 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,383
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Re: 72 Blazer K5: Is is possible to remove distributor with engine in truck?
You should be able to remove it without difficulty whether it’s a points distributor or HEI. Label the wires, rotate the rotor toward the firewall, and mark the firewall where the rotator is aimed all before removing to make the install go easier. If it’s possible other items are worn on the distributor you might be better off rebuilding the whole the unit before reinstalling.
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1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#4 |
All stock and staying that way
![]() Join Date: Jul 2003
Location: Elkland, PA
Posts: 1,469
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I have recently done it, and it wasn't difficult.
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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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#5 |
Registered User
Join Date: May 2022
Location: Illinois
Posts: 162
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Re: 72 Blazer K5: Is is possible to remove distributor with engine in truck?
Remove the air filter, distributor cap then the rest is able to be removed.
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