Quote:
Originally Posted by John Roberts
Nah, in Oz the Zephyr and Zodiac had the same power. You might be thinking of '59 when the six went from 80 to 86bhp after the comp. ratio went from 6.9 to 7.8 to take advantage of the new 93 octane super.
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OK so you do remember the Super was 93 octane was 93 in Australia, Standard must of been 83 octane then ?
As Standard fuel was only used in all Grey Holden engines.
But when the big Falcon came out they had high compression engines of 8.8:1
back in 1961 but you could opt for the 144 Low comp so you would not get stung at the fuel pump !
Holden's did not get 8.8:1 until late 1963 EH.
But i do remember the MK III Zodiac did perform well for back in them days.
A HQ 173 6 CYL low compression was 8.3:1 and this was running on Standard 87 octane.