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Author Topic:   Need help with speed density problem?
Tom G
Gearhead

Posts: 616
From: Bethlehem, Pa USA
Registered: Nov 2001

posted 12-04-2004 06:10 PM     Click Here to See the Profile for Tom G   Click Here to Email Tom G     Edit/Delete Message   Reply w/Quote
Case problem 88 GT 5spd New plugs wires, new fuel pump and filter. Car was sitting with bad gas for 2 years or more cleaned tank somewhat have fresh tank of premium and injector cleaner concentrate in it. Car has a half to full throttle flatspot that does not go away till you back off the throttle and let it rev slowly. If you stab it to the floor in any gear it pops and bucks then may pull alittle then bos down again. It has a new TFI onl the distributor. Help I am Lost with injection problems HELP!HELP!

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67 Mustang F/B 302 GT-40X FMS engine RPM Air Gap 600 Holley ceramic coated headers T5, cable clutch Flows X Pipe 3.89 9". Clearwater Aqua GT Clone Vintage40 series 16X8 225 front 255/50 rear drag radials 13.25 @ 103mph

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Moneymaker
Administrator

Posts: 26513
From: Lyons, IL, USA
Registered: May 99

posted 12-09-2004 12:46 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Sounds like a perforated fuel pressure regulator.
You can tap in a gauge at the schrader bleed off valve to monitor the pressure.
Or just replace the regulator.
Fairly commmon.

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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 & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28

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!"
www.moneymakerracing.com

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Tom G
Gearhead

Posts: 616
From: Bethlehem, Pa USA
Registered: Nov 2001

posted 12-10-2004 06:46 PM     Click Here to See the Profile for Tom G   Click Here to Email Tom G     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Moneymaker:
Sounds like a perforated fuel pressure regulator.
You can tap in a gauge at the schrader bleed off valve to monitor the pressure.
Or just replace the regulator.
Fairly commmon.


Thanks Alex,
Just one more quick question would this cause a over rich condition also?

------------------
67 Mustang F/B 302 GT-40X FMS engine RPM Air Gap 600 Holley ceramic coated headers T5, cable clutch Flows X Pipe 3.89 9". Clearwater Aqua GT Clone Vintage40 series 16X8 225 front 255/50 rear drag radials 13.25 @ 103mph

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Moneymaker
Administrator

Posts: 26513
From: Lyons, IL, USA
Registered: May 99

posted 12-10-2004 08:59 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Yes. I could act like it is flooding.

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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 & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28

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!"
www.moneymakerracing.com

IP: Logged

Tom G
Gearhead

Posts: 616
From: Bethlehem, Pa USA
Registered: Nov 2001

posted 12-11-2004 12:09 AM     Click Here to See the Profile for Tom G   Click Here to Email Tom G     Edit/Delete Message   Reply w/Quote
Thanks Alex,
Looks like regulator replacement in the AM.

------------------
67 Mustang F/B 302 GT-40X FMS engine RPM Air Gap 600 Holley ceramic coated headers T5, cable clutch Flows X Pipe 3.89 9". Clearwater Aqua GT Clone Vintage40 series 16X8 225 front 255/50 rear drag radials 13.25 @ 103mph

[This message has been edited by Tom G (edited 12-11-2004).]

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Tom G
Gearhead

Posts: 616
From: Bethlehem, Pa USA
Registered: Nov 2001

posted 12-11-2004 06:56 PM     Click Here to See the Profile for Tom G   Click Here to Email Tom G     Edit/Delete Message   Reply w/Quote
Fixed!!!Alsonew #1 injector New coil though probably didn't need it went MSD TFI coil. Advanced timing a but load now runs pretty good. Needs a "X" pipe and some louder mufflers + new rubber and inspection Tires Wheels Blower OOP's now I'm rambling better post this before the old lady sees it . Though she can't see it now as I am on the computer out in the garage (detached) Have a good night Alex and thanks again
Tom

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67 Mustang F/B 302 GT-40X FMS engine RPM Air Gap 600 Holley ceramic coated headers T5, cable clutch Flows X Pipe 3.89 9". Clearwater Aqua GT Clone Vintage40 series 16X8 225 front 255/50 rear drag radials 13.25 @ 103mph 88 GT 5 spd new project 77k original miles Red and Silver

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Moneymaker
Administrator

Posts: 26513
From: Lyons, IL, USA
Registered: May 99

posted 12-12-2004 11:38 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote

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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 & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28

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!"
www.moneymakerracing.com

IP: Logged

fastcat1
Journeyman

Posts: 10
From: san antonio TX. USA
Registered: Jan 2005

posted 01-11-2005 06:44 PM     Click Here to See the Profile for fastcat1   Click Here to Email fastcat1     Edit/Delete Message   Reply w/Quote
I have a 88 5.0 and It had been sitting for 1 yr w/the pan off (AOD) and the ign switch was bad replaced and the car won't start. but if I bypass the starter relay (also new) the car cranks but won't start . Now here is the problem if I spray starter fulid and start it it will run, but if you turn it off it won't start just crank -- the if fuel the pump works but I am stuck need help aslo

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Moneymaker
Administrator

Posts: 26513
From: Lyons, IL, USA
Registered: May 99

posted 01-11-2005 09:34 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Check the fuel pump relay.
Usually under the drivers seat.

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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 & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28

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!"
www.moneymakerracing.com

IP: Logged

fastcat1
Journeyman

Posts: 10
From: san antonio TX. USA
Registered: Jan 2005

posted 01-14-2005 08:42 PM     Click Here to See the Profile for fastcat1   Click Here to Email fastcat1     Edit/Delete Message   Reply w/Quote
put new relay but need to know the wiring on the ign coil the wiring seems to but diffrent on the 88 vrs 93 both 5.0 but the 88 is a auto and the 93 is a 5 spd

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Moneymaker
Administrator

Posts: 26513
From: Lyons, IL, USA
Registered: May 99

posted 01-14-2005 08:46 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
E-coil wiring is all the same.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,'04 &'05
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28

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!"
www.moneymakerracing.com

IP: Logged

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