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1993 Chevy Cummins K3500 on 2040-cars

Year:1993 Mileage:298176
Location:

Adkins, Texas, United States

Adkins, Texas, United States
Advertising:

 This Chevy is a 1993 model with a 1997 Cummins. (215 pump)  It has a 47RH, and 241DHD.  I built every part of this conversion.  It is not a kit conversion.  Since I put the engine in, I've put 30,000 trouble-free miles on it.  Now I have broken stuff along the way, but it was my fault, not the truck's.
It started as an almost stock engine.  Just free mods and timing.  I ran it like that until I broke the stock input shaft getting onto the interstate.  I put in an ATS input shaft and ATS billet flywheel, and did another full tranny rebuild.  Eventually I put twins on it.  Started with he351cw over bht3b.  I ended up replacing the 3b with a 4c, and went from an "over/under" setup, to a "side by side" setup.
The truck is a pulling monster.  Has over 500 horsepower, and over 1000lbs of torque.  It gets up to 24mpg on the interstate via the 3.42 gears.  At 75mph, it does 1850rpm.  The lowest mileage I've gotten since the conversion was all in town, and that was 19mpg.  But this truck isn't about the mileage.  It's about the adrenaline rush you get whenever you punch the throttle.  The twins spool loudly and quickly.  They are lit by 1500 rpm, and past 50psi by 2000rpm thanks to the 9cm exhaust housing on the 351cw.
The truck is and isn't 4wd.  Right now, I've taken out the front drive line.  It's got 3.42's in the rear, and 4.10's in the front.  My plan was to put a Commonrail front end under it, and put 3.42's in the front as well.  But I've grown tired of this hobby, and it's someone else's turn.
At this point, it is a good daily driver with very good street manners.  You could dial out some fuel and work this truck too if you wanted.  It starts faster than any Cummins I've ever seen, and it does it without needing throttle input.  When it's warm, you can't even try to bump it over without it starting.
I've used Hobbs switches to control overdrive and lockup.  I located them under the 4wd trim.  You can adjust the shift points while you are going down the road.  If you want, you can adjust them to even lock up in third and do a locked shift to overdrive, and it will all still work like a normal automatic.  I've also put in a three-position mystery switch.  You can run it in "auto" and just leave the truck alone.  But you also have the options to force or defeat lockup.  This is useful for pulling heavy in the mountains.  Once the EGT's start to get hot, you can unlock the converter and they will cool down.  You can run it like that until the tranny starts to get warm.  At that point, you can force lockup and the tranny will rapidly cool back to 125*.  The cooler I put in is massive.  The switch also comes in handy on the dyno, as you can force lockup and floor it without it kicking out of lockup.  At that point, it is running like a manual tranny, and if you are driving and try to come to a stop, it will not downshift unless you change the switch to defeat lockup, or auto.  It will stay locked up so tight, it will kill the engine.
The truck is still a project truck.  You could tidy it up and call it done, or you can keep working on it.  It's wicked fast, and will run the 1/4 mile in high 13's launching in 2wd.  It sounds good, and has always been reliable for me.  But it's time for it to be someone else's project.
This truck is not street legal in Texas.  It needs the reverse lights hooked up and mudflaps put on to pass inspection.  So if you are planning on buying it, you can drive it at your own risk, or trailer it.  The reverse lights just need a connector for the tranny, then run the hot to the lights.
Here is a list of what I've done to it that I can remember:


HEAD:
Head gasket
Head studs (ARP 625)
Clearanced rocker pedestals
New valve guide seals
Hamilton billet pushrods with 10* titanium valve keepers
Hamilton 165lb beehive valve springs

AIR:
Three piece pulse manifold
HE351cw over HT4C (2400cfm/149lbs per minute)
94-98 intercooler

FUEL:
Contagious 7x12 injectors
215hp injection pump
181 delivery valves
Benched AFC with modded foot for rack travel

HAMILTON:
Billet pushrods with 10* titanium valve keepers
165lb beehive valve springs

PEAK:
4k governor spring kit

TRANNY:
47rh controlled with Hobbs switches
MagHytec double deep pan
Mystery switch to force lockup, defeat lockup, or run in auto
ATS billet flywheel
ATS billet input shaft
DTT master rebuild kit
DTT 4.4:1 apply lever
DTT billet band strut
DTT zero leak servos
DTT upgraded OD piston with O-ring
DTT extra clutches per pack
DTT valve body
DTT billet triple disk torque converter
New over running clutches
New governor
Cooler is 1998 Dodge Ram A/C condensor with another cooler stacked on top of it.  Mounted under the cab.  Controlled with thermocouple and can be adjusted to turn fan on at different temps.

MISC:
1997 Cummins engine
241DHD transfer case
Commonrail starter
3.42 gears in rear
Dakota Digital SGI-5 to control and calibrate speedometer
Firestone Transforce tires with probably 50,000 miles of tread left
Gauges (Autometer Phantom I 60 and 100 psi boost, 125-250* Trans temp, 0-2000* EGT)
KDP tabbed
18.5* timing

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Auto blog

GM reintroduces Tripower name in the worst way possible

Wed, Aug 1 2018

The story of General Motors' use of the Tripower moniker begins way back in 1957, when Semon E. "Bunkie" Knudsen, then General Manager of GM's Pontiac division, directed his engineers to inject more performance into his brand's line of V8-powered automobiles. Fuel injection was an option, but hot rodders flocked instead to Tri-Power (marketed way back when with a hyphen), which grafted a trio of two-barrel Rochester carburetors onto a single intake manifold. A legend was born. And that legend was born of performance. At idle and when full power wasn't required, Pontiac's Tri-Power system used just the middle carburetor, which helped make the setup easier to tune. Depending on the year and model, either a vacuum system or a mechanical linkage opened up the two outer carbs, thereby switching from two barrels to six, and allowing the engine to take in more fuel and air. And it was an easy marketing win – six barrels is better than four barrels, right? Because performance! So, when news filtered in that GM has resurrected the Tripower name, those of us who grew up attending classic car shows and wrenching on old Pontiacs did a double-take. And then we all collectively sighed. Turns out that today's Tripower refers to a trio of fuel-saving measures that include cylinder deactivation, active thermal management, and intake valve lift control, according to Automotive News. And, at least for now, it applies to GM's line of fullsize trucks powered by a 2.7-liter turbocharged four-cylinder engine. We're all for saving fuel whenever possible. And we have zero say in how any automaker chooses to market its products and technologies. But, we'll offer our two cents anyway: Relaunching a storied name from the past is fine. Relaunching a storied name from the past while completely overlooking the reasons the name got famous in the first place is only going to irritate the people who remember the name in the first place. Couldn't they just call this new technology package something else? Related Video: News Source: Automotive NewsImage Credit: Getty Green Marketing/Advertising Chevrolet GM Pontiac Automotive History Truck chevrolet silverado

New Takata problem results in recall of 414 GM vehicles

Mon, Oct 19 2015

An airbag-inflator rupture discovered by Takata during testing has resulted in a new recall affecting 414 vehicles from General Motors, including 395 of them in the US. This latest campaign covers 2015 model-year examples of the Buick LaCrosse, Cadillac XTS, Chevrolet Camaro, Equinox, Malibu, and GMC Terrain. There are no reported breaks in any of these vehicles on the road, and the company estimates only one percent of them actually have the faulty parts. According to documents submitted to the National Highway Traffic Safety Administration (as a PDF), one side-airbag inflator failed a cold test at -40 Fahrenheit "releasing high pressure gas and propelling the separated components apart." The supplier told GM about the failure the next day. In these vehicles, the safety device might not only burst but the bag could inflate incorrectly, as well. GM and Takata say that a cause is not yet known, but they are "conducting an investigation." GM will begin notifying affected owners via overnight mail on Oct. 19. Dealers will replace the side airbag modules on all of the affected vehicles with new components outside of the suspect lot. All of the removed parts will also be collected for further study. Takata's faulty front airbag inflators have resulted in a serious scandal for the supplier. Initial figures indicated 34 million US vehicles are need of repair, though more recent figures have knocked that down to 23.4 million bad parts in 19.2 million automobiles. GM was already among the dozen automakers with models to fix, and some of its pickups were affected, along with the Saab 9-2X and Pontiac Vibe. GM Statement: General Motors is recalling 395 cars and crossovers in the U.S. because one of the front seat side air bags inflators may be defective. In the event of a deployment, the air bag's inflator may rupture and the air bag may not properly inflate. The rupture could cause metal fragments to strike the vehicle occupants, potentially resulting in serious injury or death. GM is unaware of any incidents involving vehicles with these components, which were part of a lot in which one inflator failed acceptance testing at the supplier. Dealers will replace the side air bag module or modules in affected vehicles. Including Canada, Mexico and exports, the total population of the recall is 414, GM estimates 1 percent of the recalled vehicles may have the defect.

Millionth Corvette now being restored after sinkhole damage

Thu, Jun 11 2015

Among the original American sports cars that were damaged by the sinkhole at the National Corvette Museum over a year ago was a 1992 convertible that was the millionth Vette made. And now that milestone vehicle is starting its restoration process. The landmark Corvette's rehabilitation is being carried out by the GM Design Center in Warren, MI, by a team of skilled craftsmen and technicians. The crew is more accustomed to building prototypes and concepts, but will face a new challenge in bringing this millionth Corvette back to its original condition. The white-over-red convertible was one of eight Corvettes that were swallowed up by the sinkhole at the museum in Bowling Green early in the morning on February 12, 2014. Five will be preserved in their compromised condition as part of a display demonstrating the effects of the sinkhole, while the remaining three were earmarked for restoration. The Design Center team has already completely the restoration of the 2009 Corvette ZR1 "Blue Devil" prototype, while the remaining 1962 Corvette will be restored by the museum. Related Video: Sinkhole-Swallowed 1 Millionth Corvette Restoration Underway Milestone damaged when earth opened beneath National Corvette Museum 2015-06-10 WARREN, Mich. – Craftspeople and technicians at the General Motors Design Center are painstakingly restoring the historic 1 millionth Chevrolet Corvette damaged nearly 16 months ago when a sinkhole opened beneath the National Corvette Museum in Bowling Green, Ky. The restoration crew is part of GM's Mechanical Assembly group at the Design Center, which typically spends its time building prototype and concept vehicles. The white 1992 Corvette is a challenge because rather than build an all-new vehicle from the ground up, the workers are trying to preserve the original appearance of a production vehicle. It is the second of three sinkhole-damaged Corvettes that Chevrolet has pledged to restore. The first, a 2009 Corvette ZR1 prototype known as the Blue Devil, was only lightly damaged and was returned to its original condition last fall. The National Corvette Museum will oversee the restoration of the third car, a 1962 Corvette. Five other Corvettes swallowed by the sinkhole will remain in their as-recovered state to preserve the historical significance of the cars. They will become part of a future sinkhole-themed display at the museum. Sinkhole summary On Wednesday, Feb.