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  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-

Put new plugs in

  • Thread starter Thread starter GTOreturns
  • Start date Start date Oct 31, 2009
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GTOreturns

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Oct 1, 2003
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Oct 31, 2009
#1
  • Oct 31, 2009
  • #1
Plugs, wires, cap & rotor.
The gap on the old plugs was .082! That splains the pinging!
 

cenok is family

15 Year Member
Jun 25, 2003
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#2
  • Oct 31, 2009
  • #2
did you run the bosch platinum +4's? i hear they add upwards of 20hp A PIECE
 
G

GTOreturns

Well-Known Member
Oct 1, 2003
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Oct 31, 2009
#3
  • Oct 31, 2009
  • #3
cenok is family said:
did you run the bosch platinum +4's? i hear they add upwards of 20hp A PIECE
Click to expand...

Nope, stock motor craft. Now put down the "Rice HP Guide", and walk away from the table....
 

1991notchbackLX

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Dec 25, 2007
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Oct 31, 2009
#4
  • Oct 31, 2009
  • #4
autolites gapped to .054 FTW, i mean... if i had a mustang that's what i'd use...
 
G

GTOreturns

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Oct 31, 2009
#5
  • Oct 31, 2009
  • #5
1991notchbackLX said:
autolites gapped to .054 FTW, i mean... if i had a mustang that's what i'd use...
Click to expand...

I always use factory crap. Yes, that is the correct gap. I haven't changed them in 2 years and they were totally worn out! (.082)
 

EPIK

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#6
  • Oct 31, 2009
  • #6
Sorry to post jack, but what is factory gap recommendation, & what is a good gap to run with Autolite 3924's with a 300+hp HCI motor?
 
G

GTOreturns

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#7
  • Oct 31, 2009
  • #7
The factory gaped them, and recommends .054
 

EPIK

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#8
  • Oct 31, 2009
  • #8
GTOreturns said:
The factory gaped them, and recommends .054
Click to expand...

Hmmm. So should you run a factory gap with HCI?
 

cenok is family

15 Year Member
Jun 25, 2003
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Oct 31, 2009
#9
  • Oct 31, 2009
  • #9
GTOreturns said:
Nope, stock motor craft. Now put down the "Rice HP Guide", and walk away from the table....
Click to expand...

hah you mean to tell me you don't want an extra 160hp?!!?

lol i'm kidding. i run motorcraft plugs as well.
 

cenok is family

15 Year Member
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#10
  • Oct 31, 2009
  • #10
EPIK said:
Hmmm. So should you run a factory gap with HCI?
Click to expand...

you could gap them a little smaller but the factory recommended gap works fine. anywhere between .048-.054 works. i think i have mine at .049 or somewhere around there.
 

EPIK

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#11
  • Oct 31, 2009
  • #11
cenok is family said:
you could gap them a little smaller but the factory recommended gap works fine. anywhere between .048-.054 works. i think i have mine at .049 or somewhere around there.
Click to expand...

Oh ok... I thought someone told me to gap them at like .045, but if thats not enough I will pull em back out a regap them...
 

cenok is family

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Oct 31, 2009
#12
  • Oct 31, 2009
  • #12
EPIK said:
Oh ok... I thought someone told me to gap them at like .045, but if thats not enough I will pull em back out a regap them...
Click to expand...

you should be fine with that. is your car pinging or anything?
 

EPIK

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#13
  • Oct 31, 2009
  • #13
cenok is family said:
you should be fine with that. is your car pinging or anything?
Click to expand...

Not that I noticed, car runs fine, I was just curious. I just through in new plugs, wires, cap & rotor, 255lph pump, 24lb injectors, & 76mm C&L maf. Fuel pressure is set at 38lbs, but can't remember the timing, but I know it wasn't too much, maybe 14 degrees give or take?
 

cenok is family

15 Year Member
Jun 25, 2003
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#14
  • Oct 31, 2009
  • #14
yeah you should be fine man. i wouldn't worry about it. i love your cars btw
 

1991notchbackLX

Active Member
Dec 25, 2007
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Oct 31, 2009
#15
  • Oct 31, 2009
  • #15
EPIK said:
Not that I noticed, car runs fine, I was just curious. I just through in new plugs, wires, cap & rotor, 255lph pump, 24lb injectors, & 76mm C&L maf. Fuel pressure is set at 38lbs, but can't remember the timing, but I know it wasn't too much, maybe 14 degrees give or take?
Click to expand...

FWIW Dustin, right before I got rid of my coupe I put in some Autolite 3924 and gapped them to the factory recommended .054 and the car ran great with my h/c/i.
 

bentley429isBAC

10 Year Member
Jul 23, 2009
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Oct 31, 2009
#16
  • Oct 31, 2009
  • #16
Mine are gaped at .028
 

cenok is family

15 Year Member
Jun 25, 2003
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Oct 31, 2009
#17
  • Oct 31, 2009
  • #17
lol i think it's a little different for forced induction cars
 

tannerc91gt

This last 25% is foreign territory at this point
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#18
  • Oct 31, 2009
  • #18
Autolite 23s gapped to .35 ftw.
 
G

GTOreturns

Well-Known Member
Oct 1, 2003
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Oct 31, 2009
#19
  • Oct 31, 2009
  • #19
tannerc91gt said:
Autolite 23s gapped to .35 ftw.
Click to expand...

It's weird, an engine builder I know swears NO MORE then .035!
 

tannerc91gt

This last 25% is foreign territory at this point
Founding Member
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#20
  • Oct 31, 2009
  • #20
*Divided by 10.

You suck
 
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