67 C-30 Dually pickup build.

[Rokcrln]

Turn that blue one into 4dr crew cab and I think I just found my new tow rig!

Kevin
LFD Inc.

[djw32]

67_C-30,
Do you know where that 71 mounted his ac? On the 6.2L, the ac is mounted on the drivers side...If you run the hydroboost, you will not have enough room to mount the ac.

Thanks, David

[Spray-Bomb]

Originally Posted by djw32

67_C-30,
Do you know where that 71 mounted his ac? On the 6.2L, the ac is mounted on the drivers side...If you run the hydroboost, you will not have enough room to mount the ac.

Thanks, David

I disagree with your statement sir.

The hydroboost master cylinder doesn't have a big booster behind it & doesn't stick out "that" far, & unless the engine was sunk back into the firewall really far I see no reason for there to be a clearance issue

Now I may be incorrect in this, but I don't see you as being right in stating that it won't work either

[djw32]

Spray-Bomb,
I just put a 6.2 in my 1970 with hydroboost. The ac and hydroboost does not fit. I will post pictures on monday.

David

[427 70c-30]

i was looking at your pics....wow...awesome.i am buliding a 1970 c-30 dually cab /chassis with factory 18" wheels.how do i join the one ton club.mine has a load rating of 16,000lbs.pretty heavy in its day.well i am glad to have met some one in the weird part of life.tim jr

[caminokid]

I still love your truck at stock height! It has that mean look to it stock. Its amazing truck. Anymore pics of progress?

[67_C-30]

Originally Posted by caminokid

I still love your truck at stock height! It has that mean look to it stock. Its amazing truck. Anymore pics of progress?

Not yet. Thanks for the props. I am currently getting parts and materials together to paint my '69 C/10 and then I'll be back on it full throttle. I do have the engine on the stand and I cleaned, degreased and painted it. Since the turbo diesel I'm using was designed by Detroit, I decided see what it would look like painted the old Detroit alpine green that came on old 6-71's and 6V53's, etcs. The end result is very cool. This was the color Detroit was using in 1967, so I thought it was appropriate. I've made a custom pressure chamber for the turbo that is very old school looking, but I don't want to post pics until I get everything together. I will say that the engine with the sidewinder style turbo on it looks MASSIVE painted this color. I can't wait to see it in the truck! Below is a little sneak peek of what a 6.2/6.5 TD looks like painted Alpine green, but mine will look a little different with the custom pressure chamber and everything on it.

I have also been playing around with some decals to go on the engine and under the hood. Detroit used to designate their engines by # of cylinders -Type of block - cubic inches per cylinder - and "T" designation if it were turbo charged. For example a 6V71 was a V6 engine with 426 cu in. With that being said, the 6.2 TD would be an 8V47-T if that designation was still used. I made up a few different designs of this decal, and another that would be a valve cover decal with all the service parts numbers. I think they'll look very cool on there and definitely different than anything anyone else has.

[jott_06]

Will that motor bolt up to the same transmissions as the chevy v-8's. It sure looks like the same bolt pattern on the back of the block. Sorry for the dumb question i just know nothing about diesels

[67_C-30]

Originally Posted by jott_06

Will that motor bolt up to the same transmissions as the chevy v-8's. It sure looks like the same bolt pattern on the back of the block. Sorry for the dumb question i just know nothing about diesels

Yes, the transmission bell housing and motor mount pads are the exact same as a SBC. They are a direct bolt in. These engines put out a little over 400 ft lbs of torque with about 10 lbs of boost, and are very durable as long as you keep them cool. The other two 1 tons I've with this engine have averaged around 18 mpg, but will get 20+ all day long in 1/2 ton truck. My '84 K1500 gets around 25.

[MrBeast]

I have got to hand it to you, this is a very very cool truck you are building, I have long thought of exactally what you are doing. I have a 72 C-30 that I am working on right now. Somthing you might consider is installing a NV4500 as well, I will be posting pictures on a build thread here shortly, I think you might take a lot away from it.

Here is a pic of my Dually "The Boss Hoss"

[MrBeast]

Oh one more thing you might consider, this is a swap I have done in the past, if you find a 73-91 suburban in the junk yard, you can pull the fuel tank right out of it along with the frame cross members, these will bolt directly into your truck, some times with no drilling required, I am trying to remember, but I think that some of the suburbans even had 32 gallon tanks. you can also cut the fuel door out of a 90's model suburban, and graft it into your bed side, it looks really sweet, and the fuel door looks like it is suposed to be there.

[67_C-30]

Cool looking rig MrBeast!

[MrBeast]

So any updates yet? I want to see that Diesel in your truck!

[samwise68]

wow, those are some impressive numbers for that mint green beast!

she should have plenty of balls to haul whatever you can fit in the bed.

keep at 'er!

-Sam.

[67_C-30]

Originally Posted by samwise68

wow, those are some impressive numbers for that mint green beast!

she should have plenty of balls to haul whatever you can fit in the bed.

keep at 'er!

-Sam.

Thanks. I have a Heath TurboMaster boost controller and I'm going to run around 12 psi. The fcatory 6.5TD settiung is around 6 psi. That is about the limit without dropping down to lower compression pistons. I have a turned up rebuilt 4911 injection pump that I'm going to use. It is the hottest mechanical pump available for these engines. I replaced the factory head bolts and main bolts with ARP bolts and I'm using a DSG main girdle to help prevent main web cracking. I am thinking about intercooling it as well, but I'm not sure about that yet. I'm going to run a 4" Jardine exhaust with a K&N cone filter on the turbo. These engines have a wicked sound with the airbox/silencer removed with big exhaust. The exhaust note sounds like a big block with a rattle, and the turbo whines like a kid wanting candy!
Here is example. I really hope mine sounds as good!

YouTube - 1998 GMC Diesel Turbo

[MrBeast]

Originally Posted by 67_C-30

Thanks. I have a Heath TurboMaster boost controller and I'm going to run around 12 psi. The fcatory 6.5TD settiung is around 6 psi. That is about the limit without dropping down to lower compression pistons. I have a turned up rebuilt 4911 injection pump that I'm going to use. It is the hottest mechanical pump available for these engines. I replaced the factory head bolts and main bolts with ARP studs and I'm using a DSG main girdle to help prevent main web cracking. I am thinking about intercooling it as well, but I'm not sure about that yet. I'm going to run a 4" Jardine exhaust with a K&N cone filter on the turbo. These engines have a wicked sound with the airbox/silencer removed with big exhaust. The exhaust note sounds like a big block with a rattle, and the turbo whines like a kid wanting candy!
Here is example. I really hope mine sounds as good!

YouTube - 1998 GMC Diesel Turbo

That thing sounds pretty damn sweet. You know that 6.5 is a good option for your build because they are much less of a listed item than a Duramax.

[RED71CHEVY]

that thing sounds sweet and wicked!!!..........is there a smaller turbo-diesel availible........with all of todays hopups yuo could still get very respectable power.

[1LoC10]

did someone say shortbed

[67_C-30]

Originally Posted by RED71CHEVY

that thing sounds sweet and wicked!!!..........is there a smaller turbo-diesel availible........with all of todays hopups yuo could still get very respectable power.

Well, the 4bt Cummins is a little smaller and PrimeredThunder on this board has a '72 Suburban with an Isuzu 4 cylinder Diesel. I chose my engine for the reasons of having expeience and good luck with these engines in the past, and ease of installation. The 6.2/6.5's can average 25 mpg + in a 1/2 ton. I have a '84 K1500 that gets about 26-27 mpg on the interstate with the 700R4.

[RED71CHEVY]

what kind of power can you get from the smaller 4 cylinder?

[MrBeast]

Originally Posted by RED71CHEVY

what kind of power can you get from the smaller 4 cylinder?

350-450 Ft/lbs of torque.

[67_C-30]

That particular Isuzu engine is rated at 87HP and 166 FT-LBS of torque. It is a 235 cu in engine. The good thing about diesels is the ability to turn them up usually for either no cost or very little money.

[MrBeast]

Originally Posted by 67_C-30

That particular Isuzu engine is rated at 87HP and 166 FT-LBS of torque. It is a 235 cu in engine. The good thing about diesels is the ability to turn them up usually for either no cost or very little money.

I know that the Isuzu 4BD2-TC is rated at 135 hp, but I couldnt find a torque rating on it. They are a peppy damn engine though, and if memory serves, the 4BD1 is rated at 128 hp, so they are both good engines, and are capable of being turned up cheap.

[67_C-30]

I have been flipping back and forth on the whole altitude thing for awhile now, and I know of guys say slam and lower it, but I just can't see the big rattling diesel dually in the weeds. If it were going to be a big block truck, I'd be more open to it, but low and diesel just doesen't seem right to me. That leaves me with the dilemma about what to do about the rake. I went back and looked through a bunch of my saved dually pics 68gmcdually's extended cab dually and the blue Longhorn dually really stuck out because they have an all business look to them. Both of these trucks sit almost level, and IMO they look good that way.

I got the ol dually out today and hauled off a bunch of boxes and junk from my storage building (ya know, cause Santa has to put the toys together in there to keep from waking the kids!). When I got through, I threw the trusty ol floor jack under it to get some ideas. I bought a full set of 6 almost brand new tires that are a good bit wide and taller that what I was running, so I put those on and and jacked up the front to make it sit level. From the current height I'm going to have to come up about 3" higher in the front to make it level. I like the look of it that way. I'm thinking about buying a new set of 80's Diesel C-30 front springs since they seem to be about the heaviest ones made that will easily fit under my truck. I wonder if it will be enough? I may have to run a spring spacer as well. I am definitely going to be spacing the front wheels out a couple of inches also.

Not much of an update I know, but it was nice to get it out and drive it around a little.

[Spray-Bomb]

If you're not gonna lower it, make it level... but whatever you do don't lift it !!!!
2wd just look --- to me lifted