70 Double Blown GTO
My 1970 GTO with two blowers. It's 474ci Pontiac engine with a 8-71 blower
on top of a 6-71 blower. This is from the last day of being double blown.
I'm going to one single 8-71 blower and going racing. The front clip was
removed to make it easier to work on. The reason for the double blowers was
not as a power enhancement like many ASSume. I stacked the blowers to have
a car that stood out in the crowd. Most Pro Street cars were starting to
blend together. If you seen one, you had seen them all. That wasn't the
case with this GTO. Al someone had to say was "The double blower GTO" and
people knew which car. I was told it couldn't be done, so I attempted it
and it worked. It stayed that way for almost 2 years. I knew a twin turbo setup would make more HP. I knew I could
have run a 14-71 blower and made more power. That wasn't the point. I
wanted to be different than the other cars in the parking lot, I did that
now it's time to ove on. For all those people who don't understand why,
I'm not going to try and explain it to you anymore. Get over it. I didn't
expect EVERYONE to love it. But you won't forget it.
1100rwhp GTO (Black Hawk)
Marks Workshop present a walk around and Dyno run on Tony's Black Hawk, a
HSV GTO (one of Holden Special Vehicles versions of Holdens Monaro) This
vehicle runs a built War Hawk LS Block running a Callies 4" crank to a
402ci, oliver rods, ross pistons, ETp LS7 port heads, etc, with a complete
Marks Workshop custom Vortech V7 ysi OTR intercooled Supercharger system, MWS in boot custom fuel
system, 2" headers and MWS custom 3.5" Exhaust system, a T56 with twin plate
cerametallic clutch for Dyno and show duties and a built
4l80e for street duties. It has the monster Harrop brakes and Simmons 19"
Rims. Custom front and rear clip hand made by Owner Tony
Custom work by Mark at Marks Workshop
link to build pic's
link to article
SOME OF THE CARS ON THESE YOUTUBE VIDEOS ARE SHOWN IN A FORM BEYOND THE
STREET LEGAL LIMITS FOR WESTERN AUSTRALIA. THESE CARS ARE USED FOR SHOW,
TRACK OR OTHER OFF ROAD EVENTS. IN MOST CASES THESE CARS ARE TAKEN BACK TO
STREET LEGAL LEVELS TO BE ABLE TO USE THE VEHICLE LEGALLY ON THE ROADS OF
MARKS WORKSHOP DOES NOT CONDONE THE USE OF EXTREME HORSE POWER ON THE
DRIVE RESPONSIBLY DRIVE SAFE
20 maxwell street YORK W.A.
2010 Challenger vs. 1970 Challenger
Inside Line put the 2010 Dodge Challenger in a head to head comparison with
a 1970 Hotchkis Challenger.
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06 GTO drag racing
This is my 06 GTO, last race of the year. I just put PS long tubes on it
with catless mids this past week. It has an x pipe, & FM 50 series
deltaflows for ex. LPE CAI. Predator tune & Nitto DR's