5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

tuneup help

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Old 03-16-2006, 06:37 PM
  #1  
joelacer
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Default tuneup help

Hi everyone,

I changed my oil and filter last weekend, and I'm planning to change out my spark plugs and fuel filter this weekend. So is there anything that difficult about doing either one? How long it take to do? And do I need to replace the wires, too? they seen to be in good shape already. thanks for your help.
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Old 03-16-2006, 08:13 PM
  #2  
Suspect
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Default RE: tuneup help

pretty ez stuff. plugs on the pass. side might be a lil harder, but u can get em. wires should be ok if theyre good. just go over em and make sure.
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Old 03-16-2006, 09:09 PM
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Stevens91gt
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Default RE: tuneup help

it should be pretty easy, not too long at all
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Old 03-16-2006, 10:58 PM
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wildcobrar
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Default RE: tuneup help

It is pretty straight forward and if you need wires, Summit has a great price on the FRPP 9 mil wires for the 5.0. They fit really nice too.
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Old 03-16-2006, 11:48 PM
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gspfunk
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Default RE: tuneup help

I'd spend a little more on wires, cap, and rotor...MSD, Accel, Taylor....

You can upgrade your coil for $40-50 if you want, too.............
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Old 03-17-2006, 12:19 AM
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doc_phibz
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Default RE: tuneup help

how much would a msd coil help over a stock?
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Old 03-17-2006, 01:31 AM
  #7  
Ecstasy
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Default RE: tuneup help

yea change the wires rotor and cap and all that when you do a tuneup, fuel filter is easy to change get a WIX fuel filter, just make sure you put it on right. when i got the car and changed mine, whoever did the last fuel filter put it on backwards. lol
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Old 03-17-2006, 01:39 AM
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ZachW04Stang
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Default RE: tuneup help

Just make sure the new fuel filter comes with new clips. Mine broke off when I took them off.
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Old 03-17-2006, 04:12 AM
  #9  
Liquid_02
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Default RE: tuneup help

Upgrading the ignition is a waste of money on a mostly stock car. Until you get into high compression stuff, the stock ignition is more than enough. MSD wouldn't do anything over the stock ignition. Save your money and do other mods to the car before playing with the ignition, you're just going to be dissapointed. Hell instead of buying new ignition stuff, you could get a new Plenum and intake manifold, or a new MAF and Throttle body and see some real gains.

All MSD does, is.. well.. its name "Multiple Spark Discharge" which means if it doesn't fire the first time, it will keep trying up to I believe it's 16 or something times now before it gives up, and well, you don't have that problem. The only time it won't fire in a stock engine is if your plugs aren't gapped properly. The higher the compression, the harder it is for the spark to jump a gap. Only when you start playing with the engine (heads, supercharger, stroker) will the pressure start to become too great for that spark to jump.

Platinum plugs are another thing or those ones with 3 or 4 electrodes, they're all junk. Especially the ones with multiple electrodes, the spark will only jump to one of them so why have more than one? Platinum plugs just last a little longer. I go to a perfomance shop every now and then, and they don't have one platinum or multiple electrode plug to be found, all he sells is Accel, which is what I run.

All in all, spend your money on something else.
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