Custom 1964 GMC Truck with a Twin Six V12

Custom 1964 GMC Truck Rap'em Pappy with a GMC 702 ci Twin Six V12

This 1964 GMC truck was built by Robert Wunderlin in Wisconsin as a tribute to the B24 Liberator crew Rap’em Pappy who went down in Germany during WWII. The truck’s frame and front body panels were extended to hold a very unique power plant.

Custom 1964 GMC Truck Rap'em Pappy with a GMC 702 ci Twin Six V12

Powering the truck is the 702 ci (11.5 L) V12 called the “Twin Six”. The engine appears to be two separate V6 engines welded together but it uses a single cast block and runs a single long cam and crankshaft. Everything about this engine is big. It uses 16 quarts of oil, 72 quarts of coolant, weighs 1,485 lb, the crank alone weighs 180 lb, and produces 650 ft-lb of torque at 1,600 rpm. Since this engine was built for torque, 250 horsepower at 2,400 rpm is the most it ever produced.

The engine was built by GMC for commercial trucks to provide large torque but also be very affordable to service since a majority of the parts were interchangeable with 351 V6 parts such as the four heads and four exhaust manifolds. You can read more about the engine at Engine Labs. If you are interested in running one of these in your own hot rod, Thunder V12 sells a turn-key engine for $18,000.

Source: ScottieDTV and photos from 67-72ChevyTrucks

2003 Mercedes CLK with a C36 AMG Engine

2003 Mercedes CLK with a M104.941 AMG engine

Team Lovetap is a drift team that competes in Sweden and several other countries in Europe. Over the past year they have been building a new drift car around a 2003 Mercedes CLK.

2003 Mercedes CLK with a M104.941 AMG engine

To power the car the team choose a 3.6 L Mercedes M104.941 inline-six from a C36 AMG. They upgraded the engine with JE forged pistons, ZRP forged rods, balanced crank, and a port/polished head with the power goal being 750 bhp. The engine did retain the factory camshafts, crankshaft bearings, and oil pump.

2003 Mercedes CLK with a M104.941 AMG engine

2003 Mercedes CLK with a M104.941 AMG engine

Shifts are handled by a Tex Racing T101A dogbox transmission with a Tilton OT-II three-disc clutch. The car’s weight has been reduced to 1,300 kg (2,866 lb) with a bias of 53% in the front and 47% in the rear. The car is still not ready for competition but it shouldn’t be too much longer before it is producing lots of smoke.

2003 Mercedes CLK with a M104.941 AMG engine

2003 Mercedes CLK with a M104.941 AMG engine

2003 Mercedes CLK with a M104.941 AMG engine

Source: Team Lovetap Facebook page via Build Threads

2007 Kia Sorento with a LSx

2007 Kia Sorento with 6.0 L LY6 V8

This project started in 2013 when the 3.8 L Lambda V6 in this 2007 Kia Sorento destroyed itself. The owner Craig Gibson took the bad situation as an opportunity to get much more power and something very unique. After looking through several engine choices the owner decided on the high power-to-price iron block 6.0 L LY6 sourced from a 2009 Silverado. The engine was upgraded with a LS3 intake with 90 mm throttle body and LS2 GTO headers. The transmission is a 6L90E six-speed automatic and connected to a Jeep NP231 transfer case through an adapter by Advanced Adapters.

2007 Kia Sorento with 6.0 L LY6 V8

Kia Sorento with LSx V8

2007 Kia Sorento with 6.0 L LY6 V8

2007 Kia Sorento with 6.0 L LY6 V8

Kia Sorento with LSx V8

Source: LSxSorento Facebook page and Sorento Nation (build thread)

1994 Miata with a LSx Races Targa Newfoundland

1994 Miata with a 5.3 L LSx Races Targa Newfoundland

Adam Costa created a kickstarter campaign several years ago to record two teams racing in the 2011 Targa Newfoundland. The teams consisted of Keith and Janel Tanner driving a 1994 NA Miata with a 5.3 L LSx V8 and Flyin’ Miata’s CEO Bill Cardell with Zach Bowman driving a 2006 NC Miata with a supercharged engine. Adam has released the DVD documentary as a seven part series on Youtube. You can view all the videos in the embedded playlist below.

Extra information:

Source: Adam Costa Youtube channel via Grassroots Motorsports