What spark plugs should I run??

[SuperDust22]

What spark plugs should I run? I have heard a lot lately about the gapped ones. And I didn't know if it made a difference on the climate. It is about 110-115 here in the summer. Thanks guys.

Dustin

 

[BlueOvalStangGT]

I have autolite 24's gapped at .035

 

[SuperDust22]

I have autolite 24's gapped at .035

Those are the colder ones right. I don't have a blower so I guess I would need the 25. How does the gapped work?

Dustin

 

[HISSIN50]

Dustin, I am south of you (108* today) and i plan to run 24's next change too. a slightly cooler plug should be fine, IMHO. N/A i would shoot for a gap of around .050" myself (I gap a little under the specs most of the time).

good luck.

 

[SuperDust22]

How do you gap them? I know that a dumb question.

Dustin

 

[urban96]

sparkplug gapper, about $1 at any parts store. looks like a little circle thingy that u can put on your keyring

 

[95CobraMike]

i bought autolite 24's for my car and the threads werent long enough to grab anything...are there more than 1 size of 24?

 

[SuperDust22]

I ended up buying autolite 25's. I did a search on here and it seemed that more NA people ran the 25s. But I still do not understand the gapping. I see everyone gapped there plugs different. What is the rule of thumb on gapping?

Dustin

 

[BlueOvalStangGT]

Use a smaller gap for supercharged/nitrous applications. All your measuring is the space between the (is it a electrode>??) and the tip thingy(sorry for the technical words). Buy a spark plug gapping tool, slide it in between aand then bend it to whatever you need.

 

[wytstang]

If I remember correctly the stock gap size is between 52-56 I have mine gapped at 54.

 

[HISSIN50]

Wyt is right - 0.052-0.056" should be the spec. LIke i mentioned earlier, since my ignition is old, i gap around 0.050".

good luck.

 

[4Jenna]

i bought autolite 24's for my car and the threads werent long enough to grab anything...are there more than 1 size of 24?

You need the 3923s gapped at 32-35

 

[Stang95fyvo]

I have autolite 24's gapped at .035

hey guys -

I have heard really good things about Denso Iridium plugs. Would they be worth the $$$$ on a almost bone stock 95 gt?

 

[SuperDust22]

Hey Chris should I gap mine or not? If so how much?

Dustin

 

[89MustangGX]

Hey Chris should I gap mine or not? If so how much?

Yes -- always gap your plugs...at least just to check them.

Unless you had a specific reason not to, I'd stick with the factory spec.

 

[SuperDust22]

Yes -- always gap your plugs...at least just to check them.

Unless you had a specific reason not to, I'd stick with the factory spec.

Sorry, when I mean gap them I mean something other than stock. I was trying to firgure out the benfits of different gap. Such as BlueOvalStangGT gaps his at .035 since he is boosted. I was just wondering how that would help him out. And for a NA is would be more. I was just wondering how that all worked.


Hope that makes sense.

Dustin

 

[wytstang]

hey guys -

I have heard really good things about Denso Iridium plugs. Would they be worth the $$$$ on a almost bone stock 95 gt?

No autolite or motorcraft copper plug will work just fine. Spend the extra $$ else where.

 

[WhiteDevil]

You just buy that gapping tool at any store let them show u because it is kinda hard for me to explain, the should know. Just get autolite 25s and gap them at .54 its all u need. Even with all my mods i still gap at .054 well not antmore with my new ignition kit i put it to .060.

 

[SuperDust22]

So do I need to get the ones that say 25 or the 3925s?

Dustin

 

[HISSIN50]

if you have stock heads, 25's are the stock replacement plug.