I have a '94 F-150 XLT 4x2 with the 302 in it. I have 110,000 kms on it and will be looking at changing plugs in it this fall. Thinking about the +4's but have heard that other people have had problems with them in the pre-97 engines. Any ideas or other comments on this topic would be greatly appreciated.

Have Fun & Keep on Truckin'
IzzyEddy

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1994 F-150 XLT Supercab, Long Box, 302 EFI, Automatic, Royal Blue in and out, Captain Chairs. Chrome Rims 15x8's, Michelin LTX M/S 105S 235/75R15 (Summer), OEM Aluminum Rims 15x8's, Michelin LTX M/S 108S (Winter), Lightly Tinted, Soft Tonneau Cover, Ford Receiver Hitch Cover & Lock, Alpine CDM-7829 Head Unit, PPI 4800 Amplifier, Kicker 10" Solo Baric Sub with Custom Box and Kicker Impulse 6.1 Mid & Tweets.

 

I just bought another set of Autolite regular plugs for my '93 last night. I'd say stick with the older (non-platinum) plugs just to be safe.

Neal


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1997 4x4 Expedition- 4.6L, true dual exhaust w/glass-packs, K&N air filter, SuperChip, airbox mods, Edelbrock shocks, 285/75R16 BFG ATs, Optima "T-Bone" wheels, and Clarion In-dash CD player.

1993 4x2 F150 Reg. Cab LWB- 5.0L, cat-back dual exhaust w/glass-packs, K&N air filter, Superchip, fresh paint, and Line-X bedliner.
http://members.visualcities.com/NoMo

 

My '93 used to eat spark plugs. The original Motorcraft plugs lasted about 25000 miles before they worn out. Then I put in Champion plugs and they lasted 20000. Replaced plugs every 20000 until 94000 when I put in Autolite Platinum plugs. They are still going at 162,000 miles. I'll probably replace them soon.

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'93 Regular Cab XLT Shortbed, 5.0, K&N, Borla, 160,000 miles; Future SuperCrew owner.

 

Dang. That's really eating plugs. Good to hear the plats work OK. Maybe I'll try some next time.

I put in the new Autolites last night. The old ones were still looking good. I could have just re-gapped them and put them back in. Would probably last another 20000 miles at least. Oh well, only $10 and a little time- might as well run new ones. The truck seems to respond a little better now.

Neal

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1997 4x4 Expedition- 4.6L, true dual exhaust w/glass-packs, K&N air filter, SuperChip, airbox mods, Edelbrock shocks, 285/75R16 BFG ATs, Optima "T-Bone" wheels, and Clarion In-dash CD player. Just added Smitty Bilt push bars and nerf bars!!

1993 4x2 F150 Reg. Cab LWB- 5.0L, cat-back dual exhaust w/glass-packs, K&N air filter, Superchip, fresh paint, and Line-X bedliner.
http://members.visualcities.com/NoMo]http://members.visualcities.com/NoMo