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thechink09 03-02-2010 11:09 AM

tune up questions
i have a 1994 4.0L and i want to give it a tune up. but i have read on here a couple of times that our jeeps only like certain spark plugs, wires, and what not.

can you guys recommend me some : spark plugs, wires, cap and rotor, and fuel filter.

thechink09 03-02-2010 12:11 PM

does anyone think that this is worth getting?

Performance Distributors 4.0KIT-RD - Performance Distributors Firepower Ignition Kit for 91-99 Jeep® Wrangler YJ & TJ with 4.0L 6 Cylinder Engine - Quadratec

brent in az 03-02-2010 12:17 PM

I don't know if the Jeep "likes" certain plugs and wires. I think the owners do!

In last tune-up I left previous owner's brand new hi-capacity/hi-perf plug wires in and threw his NGK plugs out. I don't like NGK's. I don't like Bosch either.

I like Auotlite or Champion...but it all goes to show you...the next post will be someone who swears by Bosch's...

You have to tune-up with instinct. No one on the planet knows your rig better than you do. When you notice performance suffering sometimes you can trace it back to a product...and not use that product again...

kotiktj 03-02-2010 12:39 PM

yeah i like the champions i have them in my rig now and they work just fine:D

wranglerYJnewb 03-02-2010 02:47 PM

I can't help you there but I do know that the kit for my 2.5 worked like a charm oh and i through some platinum plus plugs in

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