Cummins 12 Valve swap - Page 4 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

tommys72 · 03-25-2013, 11:42 AM

Looks like its fitting good
Posted via Mobile Device

Str8-6-68 · 03-25-2013, 01:18 PM

haha very nice build, you make it look so simple like its just bolt right in place drop in swap. did you have to relocate any cross members, or trim any frame rails? do you have any pics of your engine mounts, engine clearance shots?

**j_cst_10** · 09-27-2013, 09:04 AM

Well still slow but picking up steam. I have done about 5 automotive projects this year so far and none being this truck. Rebuilt the suspension on my dads 70 Buick GS, did a bunch of work on my girl friends 1970 Bronco, sided my house, but no truck.

Last few weeks I have built motor mounts and fitted the engine centered and squarely into the frame. The height is just high enough to clear the steering and k-member, but still get the hood closed.

The pics I posted earlier were deceiving, I had only mocked the engine up for placement but it was not permanently mounted.

I just installed a set of 1,500lbs/inch coil springs and fabricated the mounts. Next I am building a transmission crossmember, a crossmember for the carrier bearing on the dodge driveshaft, and setting up all the pinion angles.

**j_cst_10** · 09-27-2013, 09:14 AM

**j_cst_10** · 09-27-2013, 09:22 AM

shopteacher · 09-29-2013, 10:45 AM

Looking real good, and keep up the good work!

Sometime I look at my build and say Holly Crap what have I got myself into! LOL

Then I see all of the clean Chevy's and GMCs and say this is why !!!

**Dieselwrencher** · 10-02-2013, 07:51 PM

J cst 10, save yourself some hassles now and get the poly engine mounts. I guarantee those stock koreanese ones will break easily! Build is looking great though!

**j_cst_10** · 01-21-2014, 09:28 AM

Well, I am managed to do something in 15 degree weather. So, while it is small...it still counts.

Mocked up and had power steering lines made for my truck.

**j_cst_10** · 11-04-2014, 10:43 AM

Getting close to having a working prototype! Trying to get this thing started and moving under its own power in the next few weeks. Here is my clutch set up. This was the project that shelved this truck because I didn't want to think too hard. Finally bit the bullet and came up with something that I am hoping works.

Notice how nice the factory dodge clutch bracket fits on the C10 pedal assembly.

**j_cst_10** · 11-04-2014, 10:48 AM

I just need to stop buying other cars and trucks and get this one done. I got a 68 Plymouth satellite on the road, sold it, then decided I was going to finish this thing. A month went by and I bought a '59 Chevy apache truck. I'm trying my hardest not to even look at the Apache until I get this thing started and rolling.

**Dieselwrencher** · 11-04-2014, 05:53 PM

Good luck focusing on one build. I have the same issue.

Turbo1dr · 11-04-2014, 08:44 PM

I do the same thing. I want to start on my truck but, I'm in the middle of installing a Monte Carlo SS Aerocoupe rear window and trunk lid on a Buick Regal Grand National.

**j_cst_10** · 11-04-2014, 10:22 PM

Yeah this truck more than anything I've ever owned I seem to find more excuses not to work on it. At any one time I've got about 3 car/truck projects and 1 house project and they all get finished besides this truck!

03-25-2013, 11:42 AM	#76
tommys72 Registered User Join Date: Jun 2012 Location: springfield mo Posts: 3,075	Re: Cummins 12 Valve swap Looks like its fitting good Posted via Mobile Device __________________ United States Marine Corps 2000-2011 Iraq and Afghanistan veteran Just living life now and enjoying it and my wife, daughter and son

03-25-2013, 01:18 PM	#77
Str8-6-68 Registered User Join Date: Sep 2011 Location: B.C. Posts: 137	Re: Cummins 12 Valve swap haha very nice build, you make it look so simple like its just bolt right in place drop in swap. did you have to relocate any cross members, or trim any frame rails? do you have any pics of your engine mounts, engine clearance shots? __________________ 12ram3500 HS mm, FP 5" tbe, SB cai, 2.5" up, 35s on 20s. SOLD 02ram2500 twin turbo, built 47re, sticks & studs : SIKDZL -youtube. 68gmc1500 soon to be: shortbox, ppumped 24valve, s467.7, dap 300s, H2O/Air intecooled, meth controlled, 47re, 14bolt, 2wd.

09-27-2013, 09:04 AM	#78
j_cst_10 Senior Member Join Date: Nov 2008 Location: Cleveland, OH Posts: 587	Re: Cummins 12 Valve swap Well still slow but picking up steam. I have done about 5 automotive projects this year so far and none being this truck. Rebuilt the suspension on my dads 70 Buick GS, did a bunch of work on my girl friends 1970 Bronco, sided my house, but no truck. Last few weeks I have built motor mounts and fitted the engine centered and squarely into the frame. The height is just high enough to clear the steering and k-member, but still get the hood closed. The pics I posted earlier were deceiving, I had only mocked the engine up for placement but it was not permanently mounted. I just installed a set of 1,500lbs/inch coil springs and fabricated the mounts. Next I am building a transmission crossmember, a crossmember for the carrier bearing on the dodge driveshaft, and setting up all the pinion angles.

09-27-2013, 09:14 AM	#79
j_cst_10 Senior Member Join Date: Nov 2008 Location: Cleveland, OH Posts: 587	Re: Cummins 12 Valve swap

09-27-2013, 09:22 AM	#80
j_cst_10 Senior Member Join Date: Nov 2008 Location: Cleveland, OH Posts: 587	Re: Cummins 12 Valve swap

09-29-2013, 10:45 AM	#81
shopteacher Registered User Join Date: Apr 2013 Location: Western Montana Posts: 50	Re: Cummins 12 Valve swap Looking real good, and keep up the good work! Sometime I look at my build and say Holly Crap what have I got myself into! LOL Then I see all of the clean Chevy's and GMCs and say this is why !!!

10-02-2013, 07:51 PM	#82
Dieselwrencher 6>8 Plugless........ Join Date: Sep 2007 Location: Prairie City, Ia Posts: 17,140	Re: Cummins 12 Valve swap J cst 10, save yourself some hassles now and get the poly engine mounts. I guarantee those stock koreanese ones will break easily! Build is looking great though! __________________ 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.*

01-21-2014, 09:28 AM	#83
j_cst_10 Senior Member Join Date: Nov 2008 Location: Cleveland, OH Posts: 587	Re: Cummins 12 Valve swap Well, I am managed to do something in 15 degree weather. So, while it is small...it still counts. Mocked up and had power steering lines made for my truck.

11-04-2014, 10:43 AM	#84
j_cst_10 Senior Member Join Date: Nov 2008 Location: Cleveland, OH Posts: 587	Re: Cummins 12 Valve swap Getting close to having a working prototype! Trying to get this thing started and moving under its own power in the next few weeks. Here is my clutch set up. This was the project that shelved this truck because I didn't want to think too hard. Finally bit the bullet and came up with something that I am hoping works. Notice how nice the factory dodge clutch bracket fits on the C10 pedal assembly.

11-04-2014, 10:48 AM	#85
j_cst_10 Senior Member Join Date: Nov 2008 Location: Cleveland, OH Posts: 587	Re: Cummins 12 Valve swap I just need to stop buying other cars and trucks and get this one done. I got a 68 Plymouth satellite on the road, sold it, then decided I was going to finish this thing. A month went by and I bought a '59 Chevy apache truck. I'm trying my hardest not to even look at the Apache until I get this thing started and rolling.

11-04-2014, 05:53 PM	#86
Dieselwrencher 6>8 Plugless........ Join Date: Sep 2007 Location: Prairie City, Ia Posts: 17,140	Re: Cummins 12 Valve swap Good luck focusing on one build. I have the same issue. __________________ 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.*

11-04-2014, 08:44 PM	#87
Turbo1dr Registered User Join Date: Jun 2014 Location: New Bern, NC Posts: 177	Re: Cummins 12 Valve swap I do the same thing. I want to start on my truck but, I'm in the middle of installing a Monte Carlo SS Aerocoupe rear window and trunk lid on a Buick Regal Grand National. __________________ 1971 Cheyenne Super - Factory Big Block - Second (1987-89) & Fourth (2014-) Owner - To be restored 1978 Turbo Malibu - Owned since 1986 1987 Grand National Aerocoupe -1 of 1 1988 LeSabre T-Type - Supercharged

11-04-2014, 10:22 PM	#88
j_cst_10 Senior Member Join Date: Nov 2008 Location: Cleveland, OH Posts: 587	Re: Cummins 12 Valve swap Yeah this truck more than anything I've ever owned I seem to find more excuses not to work on it. At any one time I've got about 3 car/truck projects and 1 house project and they all get finished besides this truck!



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