Australian GMH 202ci six upgrades tested

gb500

Well-known member
Supporter 2018
gents: found this article .

in the interest of advancing the knowledge of six lovers everywhere.



its interesting as they take a std 202ci GM Holden six ( zillions here in australia) and test various mods

from std single barrel carb = 116 flywheel HP

to 164 flywheel HP carbed /extractors/cam etc

then install in a car behind a 3 speed auto and get :
151 REAR wheel HP on a carb and
then add EFI and get :
166rear wheel HP .

Note the cam put in (a crow 35677) is a 286 deg / 224 @ 50 and 0.467" lift

http://www.carpoint.com.au/Tig/Minisite ... au&id=7229

there isnt too much design diffrernce between the Holden six and our ford sixes ( except maybe the manifold!).

biggest engine holden did was a 202ci where as Ford went to 250

Brett

melb
 
A manual Transmission. The Aussies are a bit strange when it comes to give'n 'pet names' to automotive parts :p . ~OO6.
 
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