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post #1 of 2 (permalink) Old 10-20-02, 07:47 PM Thread Starter
Riceboy Import Drifter
Join Date: Jun 2002
Location: Adelaide
Age: 35
Posts: 31

About 18months ago my 89 Fairmont Ghia on gas started backfiring, so I took it to a Gas specialist place for a tune and for 20 bucks he gave it a full gas analysis tune for the gas system. however he told me that my dizzy was on the way out (unburnt hydrocarbons were very high apparently) and he told me not to come back until I'd had the dizzy replaced. He said it was common for dizzys to die around the 200,000Km mark and it would need to be replaced or I risked problems from excessive back firing. I havent had that many backfires since, just very occessionally when changing to gas.
Why would he say this? I didnt think there was much in the EA Dizzy that could die apart from the cap and button what can go wrong?
I havent worried about changing it. Nor have I been back to him. Should I get it replaced? From reading the other dizzy related threads I might just replace the cap and button. I know this hasnt been done for atleast 2yrs and about 40,000k.
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post #2 of 2 (permalink) Old 10-20-02, 09:04 PM
96 EF Futura
SiX_iN_a_RoW's Avatar
Join Date: Aug 2002
Location: Now Residing in Brisbane
Age: 32
Posts: 2,494
holy shit 2 years!
I suggest that you replace the cap and button and take it to another mechanic and see what they say.....backfiring is due to incorrect timing....engines need a different curve for petrol and gas...unfortunately there is always a compromise in dual fuel setups....may just need the timing adjusted.....

Lets go find that Hotdog tree I planted

Lowered EF Futura
Black Steelies ( too cheap to buy proper mags )
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