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07-26-2014, 01:21 PM | #1 |
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Join Date: Mar 2012
Location: Crestline, CA
Posts: 225
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Re: 67-72 BigBlock 4x4s! Pos pics info here.
I can't finish till the body and the tires and wheels are on.
I'm running it out the side behind the tire. I would like to run it to the very back corners but being a Suburban, the spare tire well is in the way. I thought about removing it because a 37' tire won't fit in it. But I'm turning it into a storage compartment instead. |
08-24-2014, 11:42 PM | #2 |
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Join Date: Feb 2014
Location: Bozeman, MT
Posts: 15
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Re: 67-72 BigBlock 4x4s! Pos pics info here.
Finally getting around to posting an update here. Got the 402 in and running. All the info in this thread was spot on. It sure is a tight fit but a little massaging on the firewall and small notch on the passenger frame rail for the header and she slid right in on the factory motor mounts. If this truck wasn't my daily driver, moving the motor forward 1.5" like suggested would definitely be the way to go but all is good like this!
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05-29-2017, 04:51 PM | #3 |
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Join Date: Oct 2016
Location: Alaska
Posts: 9
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Re: 67-72 BigBlock 4x4s! Pos pics info here.
Hey guys! I'm swapping a tired 350 out for a 396, in addition to swapping the TH350 with a TH400, all with NP205 T-cases. I got a new-to-me TH400 with a 205 already mated. From what I have researched and measured (based on my previous TH350/NP205 adapter setup vs my new TH400/NP205 setup), I'm going to add about 3" of drivetrain length due to the trans swap.
I'd like to leave my T-Case in the stock position so I don't have to cut driveshafts, move shifter hole, etc and just move the engine crossmember forward the approximate 3". I don't want to do a body lift. Do you think that would get me the adequate clearance from the firewall? Also, has anyone gotten away with this running stock-ish big block manifolds vs headers without notching the frame? Any other gotchas? Thanks a lot, great thread! Dave |
05-29-2017, 09:05 PM | #4 |
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Join Date: Feb 2004
Location: Williamsburg, Ohio
Posts: 1,786
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Re: 67-72 BigBlock 4x4s! Pos pics info here.
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1942 Chevy 1/2 ton Rod, 1959 GMC 1/2 ton Fleet Stepside, 1967 Chevy SWB K10, 1985 Corvette Coupe 4+3, 2015 Chevy Duramax reg cab 4WD W/T |
05-30-2017, 11:04 AM | #5 |
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Join Date: Mar 2013
Location: East TN.
Posts: 371
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Re: 67-72 BigBlock 4x4s! Pos pics info here.
Well, ill add mine here.. its not detailed yet so ill only post a couple pics but I love the outcome... 1972 swb 4x4....was orig. 350 3 spd on column, now 454 with sm465 4 spd
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06-05-2017, 02:06 PM | #6 |
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Join Date: Apr 2006
Location: Spring, Texas
Posts: 167
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Re: 67-72 BigBlock 4x4s! Pos pics info here.
Anybody know off hand if the K5 blazer frame is the same as the swb truck frame.
Body/bed mounts in the same locations?
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'72 3/4 Cheyenne Super 402/TH400 Gear Vendors '72 3/4 Cheyenne Super 350/200R4 '50 1/2 Chevy 3 Window |
06-06-2017, 07:37 AM | #7 |
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Location: East TN.
Posts: 371
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Re: 67-72 BigBlock 4x4s! Pos pics info here.
They are different. The wheelbase is shorter
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06-12-2017, 10:02 AM | #8 |
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Join Date: Jul 2014
Location: Humboldt,Sask.
Posts: 42
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Re: 67-72 BigBlock 4x4s! Pos pics info here.
Just got my 72 Cheyenne longhorn 4x4 402 running. A quick question while I may here I have to add about a 3 inch block under the rear spring to level the truck how do I find the angle to cut it at to keep the driveshaft straight.
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1972 Cheyenne Longhorn k20, 402, A/C |
06-12-2017, 04:12 PM | #9 |
6>8 Plugless........
Join Date: Sep 2007
Location: Prairie City, Ia
Posts: 17,139
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Re: 67-72 BigBlock 4x4s! Pos pics info here.
Luvinit, very nice truck. I always like to see more 4x4 swapped longhorns! On your rear block question, you need to see what your pinion angle is to determine that. You don't want it to high or low. Around 3* up should work. I can't remember what stock is but I have a HO52 in a 72 I can check.
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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. |
06-12-2017, 05:10 PM | #10 |
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Join Date: Jul 2014
Location: Humboldt,Sask.
Posts: 42
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Re: 67-72 BigBlock 4x4s! Pos pics info here.
Thanks for that I'll do trial and error to get it close.
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1972 Cheyenne Longhorn k20, 402, A/C |
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