Katla Turbo


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Detailed Car Specs

Drivers

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Þ.Þ & CO


AREA4 - Gastec

AREA4 - ORI

area4 - RCV

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Engine

Transmission

Transfer Case

Axles

Suspension

Tires & Wheels

Drivers of Katla Turbo

Guðbjörn Grímsson
Guðbjörn Grímsson

Grétar Óli Ingþórsson
Grétar Óli Ingþórsson

Elvar Bjarki Gíslason
Elvar Bjarki Gíslason

Elva Stefans
Elva Stefans

Kristján Birgisson
Kristján Birgisson

Guðni Jónsson
Guðni Jónsson

Sigurður Þór Jónsson
Sigurður Þór Jónsson


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Year Driver Race
1986 Guðbjörn Grímsson Formula Offroad
1987 Guðbjörn Grímsson Formula Offroad
1988 Guðbjörn Grímsson Formula Offroad
2012 Guðbjörn Grímsson Formula Offroad
2013 Guðbjörn Grímsson Formula Offroad
Guðni Jónsson Sand Drag Racing
2014 Guðbjörn Grímsson Formula Offroad
Guðni Jónsson Sand Drag Racing
2015 Guðbjörn Grímsson Formula Offroad
Sigurður Þór Jónsson Formula Offroad
2016 Guðbjörn Grímsson Formula Offroad
2017 Guðbjörn Grímsson Formula Offroad
Elva Stefáns Formula Offroad
Kristján Birgisson Formula Offroad
2019 Guðbjörn Grímsson Formula Offroad
Elvar Bjarki Gíslason Formula Offroad
Grétar Óli Ingþórsson Formula Offroad
Grétar Óli Ingþórsson Sand Drag Racing

Detailed description of Katla Turbo

The Car
Name Tag
Name
Katla Turbo
Year Built
Year Built
1972 (rebuilt 2012 and 2019)
Weight
Weight
1320 kg 2910 lbs
Wheelbase
Wheelbase
3100 mm 122 in
Track Width 2
Track Width
2600 mm 102 in
Rollcage
Frame
Tubular frame made from 45 x 2,5mm E355-N tubes

Engine
Invert 5
Type of Engine
Ford 351/428 stroker twin turbo
Engine Block
Block
Dart Aluminum 9.500 block
Piston
Pistons
JE Pistons
Cylinder head
Cylinder Heads
AFR Cyl Heads
Intake Manifold
Intake Manifold
Hogans sheetmetal dual injector intake manifold
Camshaft
Camshaft
Custom NRE samshaft
Crankshaft
Crankshaft
Callies 4340 forged 4.0 stroke crankshaft
Connecting Rods
Connecting Rods
6.400 Oliver billet connecting rods
Injection System
Injection System
Electromotive Tec3r injection system
Engine Builder
Engine Builder
Nelson Racing Engines
turbo&nos
Turbo/NOS
2x 72mm NRE Turbo
MAX boost
Max Boost
36 psi
Intercooler
Intercooler
Water cooled intercooler
Horsepower
Horsepower
800 – 1740
RPM
Max RPM
7000 rpm
torque
Torque
760 – 1440 lb/ft
iconfinder_fuel_103260
Fuel
VP Racing C16 (116 MON 120 RON)

Transmission
Auto Transmission
Type of Transmission
Ford C6
Input Shaft
Input Shaft
TCS 300 Maraging input shaft
Clutch Drum
Clutch Drum
TCS Billet steel forward clutch drum
Converter
Stall on Converter
TCS Converter Stall at 4200
Gears trans
Gears
3 Gears

Transfer Case
Transfer CAse
Type of Transfer Case
Ljonstadir Special 1-1 light weight aluminum 15 kg

Axles Front Axle Rear Axle
Invert 8
Housing
Custom 9″ Ford Custom full-floating 9″ Ford
Steering Knuckle
Knuckles
GK Racing double CV knuckles N/A
Turn Ratio
Turn Ratio
58° N/A
CV Joints
Joints
RCV Double CV N/A
81-512
Axles
RCV Custom 35 spline Gun-drilled M300 RCV Custom 35 spline Gun-drilled M300
Differential
Differential Ratio
4.11 4.11
Case
Case
Moser Aluminum Case Moser Aluminum Case
Differential Lock
Differential Lock
35 Spline spool 35 Spline spool

Suspension
shocks-motorcycle-part-transport-vehicle-512
Type of Suspension
ORI 14″ STX Strut with Integral Reservoir
Spyrnur
Trailing Arm
triangulated 4-Link in front Double Triangulated 4-Link in rear

Tires
Invert 3
Tire Size
34,5×17-16″
Tire Type
Type of Tire
Bigger Digger
Wheel
Wheel Size
17×16″
Wheel
Type of Wheel
Home-Made Aluminium
Brakes
Brake Caliper
Brake Caliper
Wilwood
Brake Pads
Brake Pads
Wilwood
Brake Disc
Brake Discs
Wilwood

Background

The Car
Katla Turbo was originally born in Wayne, Michigan in the year 1972 when she proudly came out of production as a 6 cylinder, golden brown Ford Bronco with manual hub. She wasn’t in Guðbjörn’s possession until 1983and did he rush into modifying her to an Off-Road car. The 6 cylinder engine was ripped out from her chest and instead came 351 Turbo along with brand new axles, in front Dana 44 with super axles and in the rear Dana 60 which later on turned into 9″ full floating axles.

Katla was not only used in the mountains but did Guðbjörn compete on that very same car in Formula Off-Road in 1986-’87 but in ’88 futuristic changes were made. He built the entire body from fiberglass and aluminum and extended the car 25cm between wheels. The engine was moved further back and downwards and springs were set up in the rear which had never been done before at that time in Iceland.

She was then sold and was only used up on the mountains for few years. Katla returned to her previous owner 10 years later but was kept in hibernation for few more years.

In 2011 Sigurður Þ. Jónsson, the team captain, called Guðbjörn up and asked if it wasn’t the time to build a Formula Off-Road car. By that phone-call the latter competition career for Katla began. She had no engine and Guðbjörn’s dream was a twin turbo engine with approx. 700 hp then he stumbled across Nelson Racing Engine. That engine has 1640 hp which was just over 900 hp greater than he had imagined. The axles were then too weak to handle that kind of power so the whole drive-line was changed. The old chassis was thrown away and replaced by steel tubes. The old fiberglass and aluminum body didn’t fit the structure of the new and improved Katla so other one had to be made.

To sum up, the beautiful ’72 golden brown bronco had completely vanished in the 2011 modification but it’s still the same one. After all, Katla Turbo is the only off-road car Guðbjörn has ever had.

Guðbjörn Grímsson

Name Guðbjörn Grímsson
Nickname Bubbi
Born March 1, 1961
First Race Akureyri 1986

Guðbjörn went to his first competition as a spectator back in 1983 in Grindavík. His first race was in 1986 on Akureyri and did he compete on his ’72 Ford Bronco for three years, yet racing wasn’t enough for him so he started to meddle with the organization of the events in 1986. When he stopped competing in 1988 he started an association called Jeppaklúbbur Reykjavíkur and did Guðbjörn sit as Chairman until 1990. Not only does he have his fingers in the Icelandic competitions but has spread out to Norway as well. Today we drive according to the rules and regulations he among other have written.

Although Guðbjörn is well-known for his rules and regulations he achieved titles such as Icelandic Champion in 1987 and Best in Show a few times, most recently in 2014 for his world record Hydroplaning.

Grétar Óli Ingþórsson

Name Grétar Óli Ingþórsson
Nickname Nitrous
Born December 3, 1983
First Race Akureyri 2015

Elvar Bjarki Gíslason

Name Elvar Bjarki Gíslason
Nickname Elvar
Born July 20, 1993
First Race Akranes 2019

Elva Stefans

Name Elva Stefans
Nickname Elva
Born September 15, 1994
First Race Akranes 2017

Kristján Birgisson

Name Kristján Birgisson
Nickname Stjáni
Born
First Race USA 2017

Guðni Jónsson

Name Guðni Jónsson
Nickname Guðni
Born November 22, 1969
First Race

Sigurður Þór Jónsson

Name Sigurður Þór Jónsson
Nickname Siggi
Born
First Race