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08-23-2004, 11:57 AM | #1 |
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Timing 14* or 16*
Hi I am still a newbie but my question is what will adjusting my timing due for my almost stock mustang? What will I see if I do it?
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08-23-2004, 12:10 PM | #2 |
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Gives you a boost in performance, just make sure you run premium fuel.
I'd say go with 14*, 16* might be too much.
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1989 Mustang LX Notch 5.0L, T-5, 1969 351W heads, cut & welded stock plenum, F-303 cam, Mac 1 5/8 full length headers, Cat'd H-pipe, 3.73 gears, Underdrives, SSM lift bars, E-Fan, 3G Alt, Custom Chip, Autometer gauges, Weld Draglite wheels , M/T ET Street Radials Best 1/4: 13.33@101.53MPH |
08-23-2004, 02:48 PM | #3 |
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I have a 93' and I have the timing set at 15* running super unleaded and no issues.
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93' Mustang w/ a stock 302 block, E303 cam, 3.73 gears, Pulleys, Edelbrock Performer upper and lower, Edlebrock 70mm throttle body, gt40 heads 1.94 intake, 1.60 exhaust, 1.6 roller rockers, American Thunder exhaust, BBK cold air intake, BBK off road H-pipe, BBK 1-5/8 shorties, AOD with shift kit and 15* timing. |
08-23-2004, 02:54 PM | #4 |
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14 to 15 degrees is great and again Super unleaded... Todays quality fuel sucks so super is the only way to go, 93 preferably 94...
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08-23-2004, 03:21 PM | #5 |
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Thanks for the feedback, now in which direction cw or ccw do I turn? or is there only one way? Is it hard to do? How much is involved to adjust it?
Thanks again. |
08-23-2004, 03:53 PM | #6 |
Gimme a Drink!
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Location: NYC
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i bumped mine to 14* and use 87 octane. no pinging or problems.
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1990 GT,stock T-5,K&N w/o air silencer,March underdrives,FMS wires,timing@14*,PA Perf 130amp alt,Steeda Tri-Ax Shifter,Steeda adj quadrant/clutch cable/firewall adj,Centerforce II clutch,o/r x-pipe,Magnaflow SS catback,g-load brace, subframes,Bilstein struts/shocks,Autometer gauges, 136k and running strong! |
08-23-2004, 05:05 PM | #7 |
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Mine is also at 14* and I run 89octane and have no problems on an almost stock motor.
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90gt 347 and some bolt ons :-) RICE HATERS MEMBER #73 |
08-23-2004, 06:34 PM | #8 |
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To advance is counter clockwise, and make sure you use a good timing light.. Its not hard to do, just make sure you set it correctly.
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08-24-2004, 09:22 AM | #9 |
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Location: Brownsville
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16* 92 octane no problems.
Make sure you remove the spout connecter.
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08-24-2004, 10:27 AM | #10 |
Gimme a Drink!
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Location: NYC
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so why do some insist on 93 octane when u bump up the timing? i always figured that, on average a stock stang will run good @ 13*-14* w/ 87 octane. bumping it up to just say 15* may require 93 octane to avoid pinging. i always thought u should set timing as high as u can, once u hear pinging, drop down a degree or two. run 87, if it runs fine, stick w/ it. i also understand that every car is different right out of the factory. what do u all think? agree/disagree?
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1990 GT,stock T-5,K&N w/o air silencer,March underdrives,FMS wires,timing@14*,PA Perf 130amp alt,Steeda Tri-Ax Shifter,Steeda adj quadrant/clutch cable/firewall adj,Centerforce II clutch,o/r x-pipe,Magnaflow SS catback,g-load brace, subframes,Bilstein struts/shocks,Autometer gauges, 136k and running strong! |
08-24-2004, 11:39 AM | #11 |
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im at about 16, but hard to tell exactly. i also a 75 shot of nitrous. i wonder if i should retard mine a bit.
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OLD CAR-89 lx convt- Flowtech II headers, H-pipe, 2 1/2 "flowmasters- pulleys- 3.73's, ripper shifter- ram air- Best 1/4 mile time- a measley 14.2 at 98.6 PRESENT CAR- 90 LX BBK long tubes, h-pipe with cats, flowmasters. 3.55's holley systemax II kit- 70 mm TB 30#injectors, jacobs ignition, black magic fan, 180 thermostat, 75 shot of NOS- NITTO DR'S STREET TIRE BEST RUNS 1/4 mile13.2 @112 w/ NOS 2.17 60' 13.5 @103 2.1 60' *new time with Dr's 12.8 at 111 w/ 75 shot |
08-24-2004, 03:09 PM | #12 | |
Mizzou Tigers
Join Date: Apr 1999
Location: weston, MO United States
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Quote:
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2006 Mustang GT 1990 LX GT-40 motor 262 horsepower, 307ft-lbs (sold but forever loved) 1998 Contour SVT Rice Haters Club Member #244 |
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08-24-2004, 03:11 PM | #13 |
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Location: Rochester
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On any High Performance motor, 93 octane is best, you won't always here the detonation, but it doesn't mean its not happening.. If you move up time from stock, 93 is best.
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08-24-2004, 03:24 PM | #14 |
Gimme a Drink!
Join Date: Dec 2002
Location: NYC
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with 93 octane costing approx 20 cents more than 87, do the math.
12,000 miles/yr @ 13mph = 923 gallons x 20 cents = $185/yr extra I'll use 87, save the money, and rebuild/replace the engine when it dies using the money I saved, its cost effective and I see NO performance gain using 93 on a stock motor. that is why FORD did not recommend or require 89 or 93. Keep in mind this is on a stock daily driver. If your a track guy, or highly modified, thats a different story.
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1990 GT,stock T-5,K&N w/o air silencer,March underdrives,FMS wires,timing@14*,PA Perf 130amp alt,Steeda Tri-Ax Shifter,Steeda adj quadrant/clutch cable/firewall adj,Centerforce II clutch,o/r x-pipe,Magnaflow SS catback,g-load brace, subframes,Bilstein struts/shocks,Autometer gauges, 136k and running strong! |
08-24-2004, 03:25 PM | #15 |
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Location: Rochester
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well if you do the math, 185 dollars a year savings Vs. 1500 dollars plus on a motor rebiuld speaks for itself.. its what maybe 2 bucks more a the pump for a fill up? You get better performance plus no worries...
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08-24-2004, 04:09 PM | #16 |
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$185 a year extra? Is that it? Hell, I just won't super size the meals at dinner once a week and I should break even.
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08-24-2004, 05:06 PM | #17 |
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thats about 2 rounds of golf with beers here! no biggie!
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OLD CAR-89 lx convt- Flowtech II headers, H-pipe, 2 1/2 "flowmasters- pulleys- 3.73's, ripper shifter- ram air- Best 1/4 mile time- a measley 14.2 at 98.6 PRESENT CAR- 90 LX BBK long tubes, h-pipe with cats, flowmasters. 3.55's holley systemax II kit- 70 mm TB 30#injectors, jacobs ignition, black magic fan, 180 thermostat, 75 shot of NOS- NITTO DR'S STREET TIRE BEST RUNS 1/4 mile13.2 @112 w/ NOS 2.17 60' 13.5 @103 2.1 60' *new time with Dr's 12.8 at 111 w/ 75 shot |
08-24-2004, 09:30 PM | #18 |
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I am running 16* on 89 octane with no detonation.
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Tom (Torque) Moss 88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE). http://www.fastlanecars.com/ |
08-26-2004, 11:08 AM | #19 | |
Mizzou Tigers
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Location: weston, MO United States
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Quote:
If you want a good explanation of why, Chris does a great job of explaining it here
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2006 Mustang GT 1990 LX GT-40 motor 262 horsepower, 307ft-lbs (sold but forever loved) 1998 Contour SVT Rice Haters Club Member #244 |
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08-26-2004, 11:13 AM | #20 | |
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Location: Berkshire County - Massachusetts
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Where's Chris been? Haven't heard from him in a while...
Quote:
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Red 1993 GT Street Machine Best E.T. - 12.41/Best MPH = 108 Engine is a 1969 351 block w/393 stroker kit. Dynamic Roller Myte C4, 8 pt cage. Edlebrock Performer heads and Victor Jr. EFI, FRPP 30lb injectors & Cartech fuel system. MSD ignition. Sothside Machine bars & Sub-frames, adj. upper's, 3.73's, Koni rear shocks, much more |
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