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#476 |
Registered User
Join Date: Feb 2010
Location: Fallbrook, CA
Posts: 910
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Re: Halfbreed - GMC Z71 + IH Extd Cab
My GM truck is equipped with trans cooling lines. They run into two coolers one inside the end of the radiator and the other piggybacked in front of the AC radiator.
It would help if I could take out the unit that hangs in front and just use the portion that is inside the cap of the radiator. I doubt if I will ever use the truck to tow anything. Does anyone know if I will be OK doing this? |
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#477 |
Slots go on anything!
Join Date: May 2003
Location: Richardson, TX
Posts: 5,957
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Re: Halfbreed - GMC Z71 + IH Extd Cab
You can take the auxillary cooler out, but it really helps keep trans temps down. Heat is the enemy of any auto transmission, so if it isn't in the way, I would keep it.
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1974 Jimmy- 5.3/4L80e/NP241 |
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#478 |
Registered User
Join Date: Jun 2006
Location: Indiana
Posts: 4,859
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Re: Halfbreed - GMC Z71 + IH Extd Cab
If you remove the fron aux trans cooler, you could add a aux cooler on the frame closer to the trans.
http://67-72chevytrucks.com/vboard/s...=195643&page=5 Page 5, Post 120
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'70 GMC C1500 LWB Power disc brakes. WooHoo! Posi 6 Lug Dana 60 |
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#479 |
Registered User
Join Date: Aug 2011
Location: Dallas TX
Posts: 563
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Great build!!
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#480 |
6>8 Plugless........
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Location: Prairie City, Ia
Posts: 17,140
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Re: Halfbreed - GMC Z71 + IH Extd Cab
I'd do like Eraser5 mentioned. I'd ditch both of those coolers up front and put one under the bed that has it's own electric fan blowing air through it.
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Ryan 1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread 1972 GMC Sierra Grande Longhorn 4x4 1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed 1972 C10 Suburban Custom Deluxe 1969 Chevy milk truck 1971 Camaro RS 5.3 BTR STG3 Cam Super T10 1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project Tired of spark plugs? Check this out. |
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#481 |
Registered User
Join Date: Feb 2010
Location: Fallbrook, CA
Posts: 910
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Wow all this stuff I am posting took about a day and a half and doesn't look like much. But... good things happened! And I must have gone through 4 or 5 cut disks to get this done.
After an appropriate amount of staring and studying and tradeoffs of this and that - I figured out what I was going to do and proceeded with the execution. I decided that the base of the GM grille assy was going to stay and form the core of my nose job mods. I had to cut it free from the rest of the frame and then do a bunch of stuff. Shaving off unwanted crap, repairing torn spot welds, moving the mount hole locations to get about 3/8" of radiator relo just with the holes. Then I sectioned and slid the portion of the base that holds the radiator another 7/8" so all told I slid the radiator about 1.25" rearward on the vehicle. |
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#482 |
Registered User
Join Date: Feb 2010
Location: Fallbrook, CA
Posts: 910
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Re: Halfbreed - GMC Z71 + IH Extd Cab
I also came to realize that there were some issues going on within my IH grille structure and that I needed to open it up. This is what started tipping my thoughts toward spending so much time on the GM base - getting it ready to take the place of a very complex but rigid tube section within the IH grille because it had to come off and get the dirt and rust and s*** out.
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#483 |
Registered User
Join Date: Feb 2010
Location: Fallbrook, CA
Posts: 910
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Every vehicle has its own particular spots for rust and problems and the IH trucks certainly have their short list. The bottom section of the grille is in the top 5. I am glad I shaved this off and got the cancer more or less out. The next few days should see me getting the new hybrid grille assy mocked up and ready to mate up with the hood.
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#484 | |
GEARHEAD
Join Date: Aug 2003
Location: MN
Posts: 6,122
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Quote:
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If no one knows what you're doing, they can't tell you you're doing it wrong HG's Dream Car Build - Shelby Cobra Kit Build your own adjustable track bar 71 ![]() 72 ![]() HG's Plow Truck '78 ![]() Bigass Farm Truck HG's thread of miscellaneous stuff |
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#485 | |
Registered User
Join Date: Dec 2011
Location: guyton
Posts: 1
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#486 |
Registered User
Join Date: Jul 2010
Location: Sweet Home Alabama
Posts: 58
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Man O Man, just found this thread this morning and read it all. Nice work. Have you thought of going with an electric fan? You can get a GM one from pull-a-part for like $10. They use them in everything and then you could get much closer to the engine.
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66 Chevy 305 /350 auto, ![]() |
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#487 |
Senior Member
![]() Join Date: Jun 2011
Location: Washburn, IA
Posts: 600
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Re: Halfbreed - GMC Z71 + IH Extd Cab
You're CRAZY! I like you.....
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#488 | ||
Registered User
Join Date: Feb 2010
Location: Fallbrook, CA
Posts: 910
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Quote:
Quote:
Thanks for reading my build! |
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#489 |
Hittin E-Z Street on Mud Tires
![]() Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Re: Halfbreed - GMC Z71 + IH Extd Cab
It's been a whole week! I need pics!!!
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Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride ![]() American Born, Country by the Grace of God ![]() 1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! |
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#490 |
Registered User
Join Date: Feb 2010
Location: Fallbrook, CA
Posts: 910
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Ask and you shall receive!
Fabbed a mounting point for the IH grille by welding a doubler plate with a weld nut onto the GM grille base. Then made up some mating gussets for the grille and marked off where they would be welded to. Then tacked them on while still on the truck and then took the whole thing off (for the 20th time) for proper welding. |
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#491 |
Registered User
Join Date: Feb 2010
Location: Fallbrook, CA
Posts: 910
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Now the truck has a solid base for mounting the grille to the chassis - two 7/16 bolts and I can adjust fore/aft with the GM shock mount bolts and height by adding/subtracting flat washers under my new brackets.
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#492 |
Registered User
Join Date: Feb 2010
Location: Fallbrook, CA
Posts: 910
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Then it was time to mockup the GM fender skirts. I had not realized that the driver's side skirt was really smashed up - that side must have taken a bigger hit in some former accident and I just hadn't really noticed all the messed up sheet metal. So I spent about an hour with various tools taking the dents out of the skirt and getting it back to more or less stock shape.
After that I went on to putting some temporary braces (elec conduit) between the firewall and the grille so that I could have a stable and symmetrical hood and grille from which to start hacking up the fenders. |
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#493 |
Registered User
Join Date: Feb 2010
Location: Fallbrook, CA
Posts: 910
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Re: Halfbreed - GMC Z71 + IH Extd Cab
That's it for the week. At least the wood platform and most of the vice grips and clamps are off the truck.
I did chop up a fender and start playing around but quickly realized that I was getting ahead of myself. I have some work to do on the hood to get both sides where the edges meet the fenders to be smooth and arched the same before I can start aligning the fenders to the hood. |
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#494 |
6>8 Plugless........
![]() Join Date: Sep 2007
Location: Prairie City, Ia
Posts: 17,140
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Great chopping and welding back together! At least you're making progress!
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Ryan 1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread 1972 GMC Sierra Grande Longhorn 4x4 1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed 1972 C10 Suburban Custom Deluxe 1969 Chevy milk truck 1971 Camaro RS 5.3 BTR STG3 Cam Super T10 1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project Tired of spark plugs? Check this out. |
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#495 |
Registered User
Join Date: Feb 2010
Location: Fallbrook, CA
Posts: 910
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Re: Halfbreed - GMC Z71 + IH Extd Cab
As I started to weld up the hood I noticed each side of the hood had developed a slightly different personality. The PS was virtually perfect - naturally laying up nice. The DS was a little different so I had to pop a few tack welds loose and start over.
Then it was on to a day or so of welding, flapper, grind, hammer/dolly, flapper, sand, repeat. During the day I stumbled on a really cool trick - for certain sections of the hammer/dolly work I used a hot water bottle as my dolly and my rubber hammer and got really nice results. Lastly I was able to quickly rip up the PS fender and get a little holiday mockup going. That will be all the progress for a few weeks. |
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#496 |
Registered User
Join Date: Feb 2007
Location: Marana, Arizona
Posts: 3,418
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Looking good! Wish I had half the progress you have. (on any one of my projects)
Never had a hot water bottle. Are you using it full or empty? Interesting!
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"I feel the need for speed!"... as soon as I am done with my nap. |
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#497 |
Chevy Enthusiast
Join Date: Jul 2009
Location: Canyon Lake Texas
Posts: 2,024
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Wow great job!
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Tony 1985 GMC K2500 restoration Project: Rust, White & Blue 1989 Chevy R3500 CC Cummins & 4X4 swap some day... 1989 Burb (D60, 14BFF, 12V, NV4500, NP205, 37" tires in progress) |
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#498 | |
Registered User
Join Date: Feb 2010
Location: Fallbrook, CA
Posts: 910
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Quote:
Thank you! |
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#499 |
Registered User
Join Date: May 2002
Location: homer ak
Posts: 149
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Just read the entire thread! Truly unique build, looks great! Amazing to watch not only the progression of the build but the level of your skills and confidence as well! Very inspiring! Keep up the great work!
Subscribed for sure...oh and Merry Christmas! |
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#500 | |
Registered User
Join Date: Feb 2010
Location: Fallbrook, CA
Posts: 910
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Re: Halfbreed - GMC Z71 + IH Extd Cab
Quote:
Merry Christmas! Posted via Mobile Device |
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