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#1 |
Registered Member
Join Date: Nov 2000
Location: Rockville, MD
Posts: 49
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![]() I have an 89 GT and tried to advance the timing just recently. Where do you disconnect the computer advance from so that you can start? That's the part that I cant figure out. My Hanes repair manual is rather useless and didn't tell me sh*t. Any help will be appriciated.
thanx. ------------------ 89 black GT, 5 spd flex-a-lite electric fan flowmaster cat-back + h-pipe 1 5/8 equal length shorty headers MSD Blaster coil |
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#2 |
Procharged!
Join Date: May 1999
Location: Hanover, PA
Posts: 1,539
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![]() The spout connector should be right near the Distrubtor, it's a little gray plug. Pull the plug and loosen the distrubtor hold down, turn the distrubtor and look through a timing light to check it. Move it to 14-16 degrees and go from there. Then re-install the gray plug. With the plug in it will NOT READ proper time. You must always pull the plug to read the timing. Hope that helps
![]() ------------------ Check Out My Site 91GT,Holley SysteMAX II Kit-Heads 2.02" x 1.60" port matched to a 1262,Anderson N-61,24#,76mm C&L,Full MAC exhaust 1-5/8" Long tubes,2-1/2" O.R H-Pipe,2 1/2" cat back, No A/C or PS or emissions, 12" K&N Filter,RNH PERFORMANCE Ram Air,Ron Davis Radiator,Full Suspension,S&W 8pt "X" brace,JAZ seats,3:73's,Welds..etc,4:30's and 31 splines coming very soon! |
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#3 |
Registered Member
Join Date: Apr 2001
Location: stockton, ca usa
Posts: 160
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![]() Can you tell a difference when you advance the timing? What exactly does it do?
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#4 |
Registered Member
Join Date: Oct 1998
Location: Rogers, MN
Posts: 2,089
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![]() Advancing the timing gives the air/fuel mixture more time to expand when ignited so it can be compressed by the compression stroke. It will give you more measurable power but not likely something you would feel. A few HP. You have to use premium grade fuel, too.
------------------ 351W 89 Mustang GT Convertible |
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#5 |
Registered Member
Join Date: Nov 2000
Location: Rockville, MD
Posts: 49
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![]() do I have to reset the computer after timing adjustments??
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#6 |
Import Slayer
Join Date: May 1999
Posts: 2,241
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![]() No, that will defeat the purpose. The computer will "see" the new adjustments after it's started. I have also been told that the computer will reset back to it's original settings within a few miles. I don't know if that part is true or not.
------------------ '82 GT 351W C-4,BBK headers,Carter 625 carb,Comp.Cam,Flowmaster exhaust. 1988 GT...T-5,bone stock |
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#7 |
Registered Member
Join Date: Mar 2001
Location: Palm Harbor, FL
Posts: 208
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![]() Just remember to take it for a drive after each adjustment. If you hear a "rockshower" coming from the engine when you floor it, back the timing down some more or your engine will suffer. Later
------------------ Blueneonman - '95 5.0L Mustang GT Convertible | K&N Custom Cold Air Intake | FMS 9mm Wires | Hollow Cats | Flowmaster 2 Chambers | BBK Subframes | 6-pt Rollcage | 14deg Timing | King Cobra Clutch | FMS Adjustable Clutch Cable | Coolest Neon Lighting on a Mustang EVER! Homepage: http://www16.brinkster.com/blueneonman/ Best time: 14.578 @96.20mph |
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#8 |
Registered Member
Join Date: Oct 1998
Location: Rogers, MN
Posts: 2,089
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![]() Setting your base timing is a mechanical adjustment, not an electronic one. Resetting your computer is not required but will not harm your setting either. If, however, you notice surging and erratic idles, resetting the computer correctly may help.
------------------ 351W 89 Mustang GT Convertible |
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#9 |
Guest
Posts: n/a
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![]() I just read an article on this subject, it did'nt mention anything about the computer (if i find it again, i'll post it)...
It did say start at 10 degrees and work up at 2 degree increments until you hear pinging then back off 1-2 degrees.... I can't imagine a 5-10 HP benefit would be noticeable, but added to the other frebees may be noticeable.... ------------------ Black, 84 GT, ground effects, shorty headers, dual exh., rear spoiler from a 87, just getting started... |
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#10 |
Backyard Mechanic/Chemist
Join Date: Feb 2001
Location: Acton MA USA
Posts: 435
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![]() What shape and how many wires does the "spout" connector have. I found about 3 connectors to choose from.
Im staying with the stock setting and running 87 octane for now (F@#$ $2.00 a gallon.) but would like to bump it up for the inevitable track session. ------------------ Frank W 90 5.0 LX coupe Daily driver. Silencer removed, K&N filter. Flexalite fan, 3 core radiator. FMS flywheel and Clutch, FMS blue wires Energy Suspension end links 88 Notch 2.3L 5 speed Parts/beater car My two Notchbacks 74 Chevy Laguna Type S-3 305 Finally fixed getting a 454 to put in garage <A HREF="http://www.chevellepages.com/folingo" TARGET=_blank>www.chevellepages. |
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#11 |
Procharged!
Join Date: May 1999
Location: Hanover, PA
Posts: 1,539
|
![]() The gray spout connector is usually wrapped in with the main plug that goes to the distrubtor, check about 8" to 10" down on that harness and you should find it. It is like 3/4" wide maybe a 1" to 1.25" long, kinds sits above the front cover near the a/c and Thermo housing.
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#12 |
Registered Member
Join Date: Apr 2001
Location: Gallatin, Tn
Posts: 1,326
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![]() chevyguy, $2.00 for the good stuff???!!!
Better take advantage of it,I pay $2.25 for the good stuff out here. $2.00 is the cheap one out here. ------------------ 88LX NOTCH, 88GT, 95 GT. |
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