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Author Topic:   My car missed a couple times today?
Fastymz
Moderator

Posts: 11429
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 12-04-2002 03:12 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
It started today after driving the car for about 45min.I came to a stop light it ran fine then the tach jumped down 100rpm,the car jerked alittle.Then it went right back to normal.It did it one time at the next stop light too.Only once at each stop light and them back to normal.I got it home asap,I checked over the carb didn't see anything wrong I checked the voltage all good.It is a little cold out and the car seems to being a little more rich then it dose when it's warmer out.
What do you think it could be?
I hope it's the ignitor again.
I did by pass my resistor wire this summer,so i had full volts to the coil.Like the ignitor insturtions called for.


SCOOP

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oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

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SteveLaRiviere
Administrator

Posts: 33371
From: Saco, Maine
Registered: May 99

posted 12-04-2002 03:28 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Bad plug or plug wire?

------------------
'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150

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BlueMule
Gearhead

Posts: 858
From: Kent Island, MD USA
Registered: Sep 2002

posted 12-04-2002 03:38 PM     Click Here to See the Profile for BlueMule   Click Here to Email BlueMule     Edit/Delete Message   Reply w/Quote
junk in the fuel system?
(shield your eyes) I hear some e-brock wise-kwacks coming.

------------------
-Paul

70 Mach1
79 Ranchero GT
97 Expedition XLT
00 SVT f150 Lightning 4149 of 4966 Born on: 06/26/2000

'life's tough... it's tougher if you're stupid.'

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SteveLaRiviere
Administrator

Posts: 33371
From: Saco, Maine
Registered: May 99

posted 12-04-2002 03:42 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Nope. Thanks to a kind M&M member, he's been Holleyfied!

------------------
'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150

Be sure to remember our sponsors, Mustangs Plus, NPD, and Osborn Reproductions.

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rockafellz
Gearhead

Posts: 1291
From: San Lorenzo, CA, USA
Registered: Aug 2001

posted 12-04-2002 03:57 PM     Click Here to See the Profile for rockafellz   Click Here to Email rockafellz     Edit/Delete Message   Reply w/Quote
Holyfield?

Erik

------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress

1966 Ford Mustang Coupe
Dad's - Original Unrestored

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Moneymaker
Administrator

Posts: 19704
From: Lyons, IL, USA
Registered: May 99

posted 12-04-2002 04:53 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
I'll go along with the bad wire/plug hypothosis.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"

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Fastymz
Moderator

Posts: 11429
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 12-05-2002 12:22 AM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Moneymaker:
I'll go along with the bad wire/plug hypothosis.


New wires the Ford 9mm wires,new MSD cap and rotor.I'll get some new plugs and try that.If it's still there I'll have to take the wires back.I drove the car for about 2 hours since I've put the new wires on.Today was the 1st day I've noticed anything.

How about the COIL,and if you were to change coils what would you run?

And what do you think about using the PERTRONIX II coil with my IgnitorII unit.I'm still using the 3 year old Pertronix I coil.

SCOOP

------------------
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

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Fastymz
Moderator

Posts: 11429
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 12-05-2002 12:23 AM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
How do I test the plug wires?


SCOOP

------------------
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

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Just Strokin
Gearhead

Posts: 754
From: Tuscaloosa, Alabama
Registered: Dec 2001

posted 12-05-2002 07:32 AM     Click Here to See the Profile for Just Strokin   Click Here to Email Just Strokin     Edit/Delete Message   Reply w/Quote
How gentle or hard was the stop at the red lights/stop signs? If it were a kinda hard/fast stop, might be dumping a little fuel over from the rear bowl.

Possibly the rear float set a little too high and with out the plastic vent whisle, it is allowing a little fuel to spill over? Once it burns off, the car runs fine? Just a thought.

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BlueMule
Gearhead

Posts: 858
From: Kent Island, MD USA
Registered: Sep 2002

posted 12-05-2002 08:14 AM     Click Here to See the Profile for BlueMule   Click Here to Email BlueMule     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Moneymaker:
I'll go along with the bad wire/plug hypothosis.


True. If it was junk in the fuel system, which has happened to me, you'd have goofy crap happening whether you were stopped at an idle or blasting along at 70.

------------------
-Paul

70 Mach1
79 Ranchero GT
97 Expedition XLT
00 SVT f150 Lightning 4149 of 4966 Born on: 06/26/2000

'life's tough... it's tougher if you're stupid.'

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Fastymz
Moderator

Posts: 11429
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 12-05-2002 12:27 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Just Strokin:
How gentle or hard was the stop at the red lights/stop signs? If it were a kinda hard/fast stop, might be dumping a little fuel over from the rear bowl.

Possibly the rear float set a little too high and with out the plastic vent whisle, it is allowing a little fuel to spill over? Once it burns off, the car runs fine? Just a thought.


It was an easy stop,I was just cruising around town.
I did notice when I got home I took the engine to 2500rpm and held it there,it missed once and then it seem to run just fine.I let it run for about 5min after that it didn't do it again.

SCOOP

------------------
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

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SteveLaRiviere
Administrator

Posts: 33371
From: Saco, Maine
Registered: May 99

posted 12-05-2002 12:29 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
That sounds like a spark plug getting loaded up, then clearing out when you ran it at 2500. Look for the fuzzy plug.

------------------
'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150

Be sure to remember our sponsors, Mustangs Plus, NPD, and Osborn Reproductions.

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Fastymz
Moderator

Posts: 11429
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 12-05-2002 12:53 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by SteveLaRiviere:
That sounds like a spark plug getting loaded up, then clearing out when you ran it at 2500. Look for the fuzzy plug.


Next week I'll change all the plugs and see if any look bad.

Also how do you test plug wires?
It seems funny that it didn't do 2 weeks ago when I changed the cap and wires.Could a wire have gone bad after driving it a couple of times.

Also the gas in it is about 3weeks old too.And it was starting to get low?

SCOOP


------------------
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

[This message has been edited by Fastymz (edited 12-05-2002).]

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Ryan Wilke
Gearhead

Posts: 1501
From: Stanton, Michigan 49707
Registered: Oct 2000

posted 12-05-2002 05:30 PM     Click Here to See the Profile for Ryan Wilke   Click Here to Email Ryan Wilke     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Fastymz:
...how do you test plug wires?

SCOOP


SCOOP, To test your sparkplug wires:

- Get a hold of an Ohm-Volt Meter (OVM).

- Dial the scale to 0 to 10,000 ohms.

- Remove the wire & place one plug wire terminal on each end of the two leads off the OVM. Read the scale.

- Longer wires will read more than shorter wires.

- If you have any that read over 10,000 ohms, I'd look at replacing them.

- Good (expensive) SP wires are less than 500 ohms.

Hope this helps!
Ryan

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Fastymz
Moderator

Posts: 11429
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 12-05-2002 07:13 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
Thanks Ryan I knew the test was done with a OHM meter but I had no idea what readings were good or not.

SCOOP

------------------
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

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