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#76 |
Senior Member
![]() Join Date: Feb 2011
Location: Papillion, Ne
Posts: 897
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Re: Grandpa's 72 restoration
Great lookin truck....kinda partial to the color combo & year, if you check my avatar lol
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![]() '05 RCSB Sierra 2WD '71 Sierra 2WD Longbed '98 Silverado K1500 Xcab...sold '72 Highlander"Raymond"...sold |
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#77 |
Senior Member
![]() Join Date: Apr 2008
Location: Berne IN
Posts: 3,229
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Re: Grandpa's 72 restoration
Nice progress- keep up the good work!
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#78 |
Registered User
Join Date: Jan 2017
Location: Iowa
Posts: 248
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Re: Grandpa's 72 restoration
Got the quadrajet rebuilt with help from Cliff's book and his rebuild kit (very very good kit). All went great except for rebushing the primary throttle shaft, mine was horribly sloppy. To do this, you need to grind off the ends of the tiny staked screws that hold the flaps on the throttle shaft in order to remove the shaft and drill out the holes to drive in new bushings. Must not have ground enough material off of one screw and the screw head twisted off. No biggie, drilled it out (amazingly straight actually) and re tapped the hole with 4-40 instead of the original 3-48 screw threads. Reassembled perfect.
Second problem, to remove the primary throttle shaft you also have to remove the secondary shaft at the same time and slide them out together due to linkages and such, at least that's how I understood it. To remove the secondary shaft you need to punch out the secondary shaft lockout pin. I tried heat, kroil, swearing, and a BFH, all to no avail. Cut the pin ends off and drilled it out too, replaced with a slightly tapered hardened pin and epoxied into place. Other than those two issues this is a very DIY job and not so terrifying, just had to go slow, take a lot of pics, and follow Cliffs book. I did have not done any fine choke or fast idle adjustments yet, will do that when mounting carb. Hope it runs!! |
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#79 |
Proprietor of Dale's Corner
![]() Join Date: Nov 2012
Location: Vacaville , CA
Posts: 16,106
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Re: Grandpa's 72 restoration
I just read through and I'm subscribing to watch the rest of the build.
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"Some Days Chickens And Some Days Feathers" Dale XNGH ECV Sam Brannan 1004 R.I.P. 67ChevyRedneck R.I.P. Grumpy Old Man |
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#80 |
Registered User
Join Date: Sep 2011
Location: Ark City, Kansas
Posts: 3,333
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Re: Grandpa's 72 restoration
Just to add to your carb experience...
When grinding off the staked ends of the screws, grind them flush with the shaft. The screws break so easily, being that small...as you (and I) experienced... The 3 carbs I have built with Cliff parts are all later model. not sure that the shafts are same. I was able to remove pri. and sec. shafts together. You have to pull the linkage wide open to do this. and deal with that goofy sec. shaft spring. It's a doozy!!! I had to hone the insides of the bushings with scotchbrite, mine were too tight. That pin on the sec. shaft of RH side of carb is not really needed. It is an emergency stop in case the driver tries to achieve full throttle with choke activated... |
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#81 |
Registered User
Join Date: Jan 2017
Location: Iowa
Posts: 248
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Re: Grandpa's 72 restoration
68, my bushings were tight too but didn't have to hone them. Once the pri shaft was in place the difference was night and day from before re-bushing.
I did grind the staked screws all the way to the shaft, all came out great except that one, may have been rusty? I agree, that sec shaft pin serves little purpose besides choke lockout and a positive stop for WOT so I think my epoxied tapered pin will work fine for the application. That little screw and pin sure had me cussing like a sailor though, had to go buy a 4-40 tap and drill bit just for that tiny broken screw. |
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#82 |
Registered User
Join Date: Dec 2003
Location: Thomasville, NC
Posts: 1,877
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Re: Grandpa's 72 restoration
Looking good on your build,keep pictures coming, progress going forward & keep on truckin'
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My Truck: 2.5 drop front, 4 & 5/8 in rear, 350cubic in. been bored .60 over, 700r4 (soon), 3 speed (on tree for now).rims & tires size,15x8 ralleys 5 on 5,P275/60R15. Members I have met: Pickupman, 1972 Super Cheyenne, Stepside,Chis Mc Bride. tsnow67,joel.e, ![]() |
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#83 |
Registered User
Join Date: Jan 2017
Location: Iowa
Posts: 248
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Re: Grandpa's 72 restoration
Thanks for the comment, progress and pics will continue but unfortunately slowly. My father in law who was the experienced body man and engine guru helping me with this build passed away unexpectedly in November. It has been very difficult to walk into his shop and work on OUR project truck without him there. Miss him like crazy and it absolutely rips me up that he never saw the truck finished. It certainly lit a fire under my butt to get the truck done though, have boxes of parts sitting in my garage waiting to get installed. I live 2 hours away from the shop and very busy with work and young family but progress will continue. Been trying to find a way to commemorate his work into this truck, possibly engraving his name in the wood bed or something like that. If you guys have any ideas let me know.
On the plus side, should be very close to starting the truck. Need to hook up fuel lines, install tank, radiator/plumbing and wiring. I ended up buying an M&H engine harness and forward lamp harness through GMCPAULS. They were cheaper there than directly from M&H. Modified for HEI ignition and internally regulated alternator. Still need to pick up an HEI yet. Quality of the harness is fantastic |
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#84 |
Senior Member
![]() Join Date: Mar 2011
Location: Hanover NJ
Posts: 4,161
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Re: Grandpa's 72 restoration
Just read thru I’m getting in the passenger seat nice work father in law will be right there with you good luck
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Doc & Kim build http://67-72chevytrucks.com/vboard/s...d.php?t=722288 I am from the desert http://67-72chevytrucks.com/vboard/s...d.php?t=650332 basket case build SOLD http://67-72chevytrucks.com/vboard/s...d.php?t=648557 |
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#85 |
Registered User
Join Date: Jan 2017
Location: Iowa
Posts: 248
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Re: Grandpa's 72 restoration
Made some progress this weekend, installed the carb, trans dapt valve covers, fan, core support, heater box, brake booster/MC, exhaust manifolds, fatmat rattletrap and mocked up the fenders. Finally starting to look like a truck again and good step forward. Exhaust is just mocked up in pics, need better plugs for the air pump and the castings are rough. Gonna smooth out and sandblast them then coat with POR high temp in cast gray. Phone died before I could get pics of fatmat and fenders hung. Going to put down frost king foam/foil insulation on top of sound deadener then ACC carpet with mass backing. Should be much quieter than stock. Seeing the fenders on the truck was a great sight!!
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#86 |
Registered User
Join Date: Jan 2017
Location: Iowa
Posts: 248
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Re: Grandpa's 72 restoration
Next step is get the MC bend bled and bleed brake system, install new M&H wiring harness, HEI, and gas tank. Getting closer to starting
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#87 |
Senior Member
![]() Join Date: Apr 2008
Location: Berne IN
Posts: 3,229
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Re: Grandpa's 72 restoration
very nice job on the detailing! everything looks great
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#88 |
Registered User
Join Date: Jan 2017
Location: Iowa
Posts: 248
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Re: Grandpa's 72 restoration
Thanks man, I'm going to be pretty obsessive about the details, going to try and hide the new wiring and reduce unneeded vacuum lines as well. I hate loose wires!
Here's a pic of the new manifolds with the ports for the air pump. I need to find some flush fitting brass plugs or something instead of these black ones. My originals didn't have the ports but were cracked. New ones should look nice with fresh manifold gray paint. |
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#89 |
Registered User
Join Date: Feb 2016
Location: Trenton,Ontario & South Carolina
Posts: 755
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Re: Grandpa's 72 restoration
Looks great,1 thing I suggest, get the bleed tool for the prop valve,you have to take out the brake switch and put the toll in there,will keep the valve centred when you bleed,if you don't have in there the valve moves back and forth and will think there is a leak in the system when bleeding,I found out the hard way,there are lots of topics on this.
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#90 | |
Registered User
Join Date: Jan 2016
Location: Poway, CA
Posts: 356
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Re: Grandpa's 72 restoration
Quote:
As for the rest of the truck, it’s coming together great!
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1970 C-10 "Old Yeller" |
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#91 |
Registered User
Join Date: Jan 2017
Location: Iowa
Posts: 248
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Re: Grandpa's 72 restoration
Yep I have the bleed tool, was an additional option to order when I bought the booster assembly. Came with good instructions too.
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#92 |
Registered User
Join Date: Jan 2017
Location: Iowa
Posts: 248
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Re: Grandpa's 72 restoration
Here's a few before and after pics
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#93 |
Registered User
Join Date: Oct 2012
Location: mountain home, AR
Posts: 794
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Re: Grandpa's 72 restoration
Wow
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Project Double Tap http://67-72chevytrucks.com/vboard/s...d.php?t=555901 69 Olive Verde http://67-72chevytrucks.com/vboard/s...d.php?t=734720 |
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#94 |
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: Grandpa's 72 restoration
Looks incredible!
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#95 |
Registered User
Join Date: Jun 2016
Location: Visalia California
Posts: 891
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Re: Grandpa's 72 restoration
Looking really nice!
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#96 |
Senior Member
![]() Join Date: Jan 2012
Location: Texan, back in TX
Posts: 2,153
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Re: Grandpa's 72 restoration
Excellent progress!
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#97 |
Registered User
Join Date: Jul 2012
Location: Rosenberg, Texas
Posts: 3,506
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Re: Grandpa's 72 restoration
Nice work!
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-Duane C/10 Club Texas member 1971 Chevy C10 "Brutus" SWB Fleetside 2016 6.0L (L96) 6L90E (driver/project) 1965 Pontiac GTO "Royal Goat" 400/TH400 w/AC (my baby) |
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#98 |
Registered User
Join Date: Jan 2017
Location: Iowa
Posts: 248
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Re: Grandpa's 72 restoration
Was able to get up to the shop this weekend, only a few hours of work but got the delco HEI installed, ran new M&H engine and front lamp harnesses, sealed the heater box with 3M strip caulk, installed radiator and fan shroud, battery box and a few other small items. Also hung the fenders quick just to look at it. Please ignore the dirty shop and empty boxes...
Can anyone tell me what the yellow, blue, green, and purple wires on the engine harness attach to? I know the pink is HEI power. Harness is great but wish each lead would be tagged for simpler installation for rookies like me |
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#99 |
Senior Member
![]() Join Date: May 2001
Location: Independence MO.
Posts: 7,698
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Re: Grandpa's 72 restoration
Green is temperature sending unit
Yellow and purple are starter Don't remember what the blue one is
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72 3/4t Custom Deluxe 402/auto 66k Original paint 71 3/4t 4x4 Custom Deluxe 10k original miles Original paint 71 3/4t Cheyenne 402 70k original paint 72 3/4t 4x4 Custom deluxe 72 3/4t 4x4 Custom deluxe 91k original paint 72 Cheyenne/30 Dually 69 Camaro SS396 4-speed 13 GMC 2500HD Duramax I bought new 05 Jeep Wrangler "Willys Edition" 12k miles (I bought new) 85 3/4 ton 4x4 Scottsdale 33k miles original paint 86 1 ton 4x4 SRW Silverado 454 restored 80 1 ton 4x4 SRW Silverado 9,434 original miles!! original paint 95 GMC 1 ton dually 4x4 my dad bought new 95 GMC 3/4 ton 4x4, regular cab 454, 31k original miles 2002 2500HD 4x4 regular cab 6.0L 67k miles 2002 2500HD 4x4 regular cab 8.1L 28k miles 2003 GMC 2500HD 4x4 regular cab Diesel 93k miles 67-72 Parts for sale |
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#100 |
Registered User
![]() Join Date: Aug 2016
Location: Southside, Alabama
Posts: 173
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Re: Grandpa's 72 restoration
Great read through and awesome build so far. Condolences for losing your father in law. Keep up the good work. I'm subbed and looking forward to the finished truck
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72 C10 lwb fleetside aka Big Rhonda. Still plugging away. Build thread: http://67-72chevytrucks.com/vboard/s...42#post8247142 |
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