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Pontiac - Boost Turbo, supercharged, Nitrous, EFI & other Power Adders discussed here. |
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#1
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EFI and spark plugs
I've got a Holley Sniper kit coming in today for my '63 389 Star Chief. The car is due for spark plugs as well, is there any special consideration I take into account when determining a replacement plug? I will be going from the original points system to the EFI with a Dual Sync distributor and wasn't sure if a different heat range or design of plug would be an additional plus with the EFI setup.
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George Hill '63 Star Chief, '95 Chevy P/U, lots of BMW motorcycles and cars |
#2
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I just completed a conversion to EFI and MSD distributor. It was recommended that I stay with the plugs I was using. I just changed them for new ones since the previous set-up had been hard on them. Terst rode the new set-up yesterday and extremely happy.
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#3
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Use the plugs you like for your combination. The only real consideration you'll need to make with the EFI kit is a plug that is a resistor type. Non-resistor plugs introduce noise to the ECU that usually exhibits itself as RPM spikes. That causes erratic fueling.
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-Jason 1969 Pontiac Firebird |
#4
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Thats the thing, I don't really have a plug I "like" for this combination, I would just put a stock replacement plug back in it.
Good to know on non resistor type plugs.
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George Hill '63 Star Chief, '95 Chevy P/U, lots of BMW motorcycles and cars |
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