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Old 04-02-2021, 02:15 PM   #1
Dieselwrencher
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Project Family Burb. 1972 C10 suburban build

This is going to be the build thread for my wife's 1972 C10 suburban. Leon found this for us last year and we were able to get it purchased. It is rusty but luckily it's not completely hashed. The original 402 was locked up and I have already removed the 402/TH400. It is getting a spark plug delete, marker light delete, trim delete, bumper delete, and 72 front clip delete. My wife wants this to not look like a truck, in her words. I have a hard time with that because, well, it is a truck.

The kids have already been helping on this unit. They got the task of starting the clean out. The boys have been on degrease duty too.
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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 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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Old 04-02-2021, 02:18 PM   #2
Dieselwrencher
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Re: Project Family Burb. 1972 C10 suburban build

The front clip is off and the new to it powerplant installation has begun. I had to remove the 72 only BBC RH heat shield to allow the bell housing to get down far enough. I was surprised how much of the floors were still solid.
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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 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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Old 04-02-2021, 02:23 PM   #3
Dieselwrencher
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Re: Project Family Burb. 1972 C10 suburban build

Here the engine is getting close to where I'd like it to be. The factory brake booster setup has to go though. This will be getting hydraboost now. The injection pump is hitting the booster and I still need to go back about another inch so the factory vacuum booster is out.

There is a portion of the patch panel collection we have gotten so far. How crazy is it right now? Stuff I never thought would be out of stock and on back order is crazy!
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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 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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Old 04-03-2021, 12:19 AM   #4
LockDoc
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Re: Project Family Burb. 1972 C10 suburban build

-

Looks like you are hard at it Ryan. Keep up the good work....

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Old 04-10-2021, 09:29 AM   #5
Dieselwrencher
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Re: Project Family Burb. 1972 C10 suburban build

I've been working on the burb when free time allows. I've gotten the engine and trans bolted in. I just have to drill new holes for the trans cross member and I will have to move the hoses going back to the rear hvac. These hoses will be replaced anyway.

I'm waiting on parts to be able to mount the turbos. Until then I need to get the 67 front clip on and start modifying the core support because I'm going to use a 2nd gen dodge radiator and intercooler. I'm also going with hydra boost. I need to decide if I will make an adapter bracket or source one.
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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 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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Old 04-10-2021, 09:37 AM   #6
Dieselwrencher
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Re: Project Family Burb. 1972 C10 suburban build

I've got to remove the stock BBC exhaust hangers. More than likely I'll run 4" exhaust to possibly dual 3" tail pipes behind the back tires. I'm planning on cutting the control arm mount cross member and putting a piece of 5" tube in there to give a place for the 4" to pass through.

I will take the drive shaft to the drive line shop next week. Get the front shaft shortened, have spicer non greaseable u joints installed and a new carrier bearing.

The trans has a double deep pan for extra fluid capacity and it doesn't hang too far down luckily. This burb will more than likely only get a 3" drop and that will be it. It needs to be driven on bad roads and weird approach angles.
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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 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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Old 04-11-2021, 07:35 PM   #7
CG
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Re: Project Family Burb. 1972 C10 suburban build

I know zero about diesel engines so Im curious, why do most of the diesels I see run such large exhaust diameters?

I know on your basic small block Chevy the really large diesel size exhaust pipe diameters is detrimental.

Not wanting to hijack your thread, but who better to ask something Ive always wondered =)
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Old 04-13-2021, 07:04 AM   #8
Dieselwrencher
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Re: Project Family Burb. 1972 C10 suburban build

Quote:
Originally Posted by CG View Post
I know zero about diesel engines so Im curious, why do most of the diesels I see run such large exhaust diameters?

I know on your basic small block Chevy the really large diesel size exhaust pipe diameters is detrimental.

Not wanting to hijack your thread, but who better to ask something Ive always wondered =)
Not hijacking at all. Diesels have a higher compression ratio plus most have a turbocharger, which also adds heat. Both combined lead to very high exhaust gas temperatures and they need the larger exhaust to help expel the heat. 5" and 6" on most light duty pick ups is over kill. I have seen 5" exhaust on light duty trucks that tow heavy run cooler coolant temps at weight than with 54" so I can't say that it isn't necessary. It just depends on hat's all done to the truck.

Most medium duty trucks that have similar engines to the light duty diesel pick ups do have 3" or 3.5" exhaust down pipes and then step up to 4" or 5" at the muffler and tail pipe. You typically see 900* on an exhaust gas temp gauge pre turbo on a grade hauling. General rule is to not go over 1250* for more than 15 seconds. Bad things tend to happen and you will have costly repairs soon.
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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 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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