Crappy times for combo.... - Ford Mustang Forums : Corral.net Mustang Forum
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post #1 of 42 Old 07-11-2008, 09:53 PM Thread Starter
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Crappy times for combo....

My ride is alot slower than it should be. Maybe some of you could chime in and give me some advice or pointers?

89 LX Convertible. Full weight caged AOD car, full interior, only weight reduction is swaybar/heat/air conditioning is gone. Bone stock 90,000 bottom end, box stock AFR 165's. Stock Cobra intake, F-cam, 65mm tbody, 73mm C&L MAF, 190 fuel pump, 24 lb injectors. Aod has an Edge 3200 non lockup converter, good valvebody, and i have 3:55 gears. Weld draglites skinnies/mickey thompson 275/50/15 drag radials. Lakewood shocks/struts, 4 banger springs, Mac control arms. The car also has a 6pt rollcage. BBK shorties, h-pipe, flows, timing at 12 degrees, air fuel ratio was 12.2:1 - 13.0:1 at WOT. I shift at 6000 rpm.
Heres my crappy timeslip:
60ft......1.88 (didnt spin at all)
330ft.....5.53
1/8........8.60 @ 79.9
1/4........13.56 @ 97.37

Sorry for the long post but if anyone has any ideas let me know!
Thanks!


89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

Needs a blower!!
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post #2 of 42 Old 07-12-2008, 12:48 AM
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drop fp 3-4 pounds, try some more timing and 4.10s.

how are you taking off? i get my best results holding the brake at idle and punching it when i'm ready to go.


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post #3 of 42 Old 07-12-2008, 04:02 PM Thread Starter
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Im just footbraking it like you. I was hoping to see at least a 13.0 with this combo. I had 4.10's in it until i put nitrous on, the i ran out of gear when spraying so i switched to 3:55's. Even with the not so great gears, shouldnt i be trapping at least 104 with AFR heads/cam/intake?

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

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post #4 of 42 Old 07-12-2008, 04:26 PM
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Dont foot brake the converter it likes to be flashed just hit it from a dead dig at the line your 60ft should be at least a 1.79

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post #5 of 42 Old 07-12-2008, 04:43 PM
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Hmm maybe tune it. Not sure had those times with a stock 302. Did u go to beechbend?

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post #6 of 42 Old 07-12-2008, 06:18 PM
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that mph seems WAY LOW. My stocker ran [email protected]

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post #7 of 42 Old 07-12-2008, 08:05 PM Thread Starter
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No i did not go to beech bend. I know my MPH is low, i just cant seem to figure out why. The car runs and drives great with no hesitaions and throttle response is awesome. I self tuned by adjusting the air/fuel ratio, timing and fuel pressure.

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

Needs a blower!!
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post #8 of 42 Old 07-12-2008, 08:09 PM Thread Starter
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heres a puzzling question. I have always had an open port on the back of the cobra intake. When i try to cap off the vacuum leak, it wont stay running. The idle surges and the car will die. Maybe a bad vacuum leak is screwing up something somewhere? Who knows....

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

Needs a blower!!
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post #9 of 42 Old 07-12-2008, 11:26 PM Thread Starter
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Someone please talk me out of selling it and buying an LS1 lol.

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

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post #10 of 42 Old 07-13-2008, 12:28 AM
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If you have an open port on your intake you need to plug that puppy and find out how to keep her running.


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post #11 of 42 Old 07-13-2008, 10:03 AM Thread Starter
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I know haha. I cant figure out how to keep it running though.

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

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post #12 of 42 Old 07-14-2008, 01:43 PM
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Quote:
Originally Posted by Zrsnopro97 View Post
Someone please talk me out of selling it and buying an LS1 lol.
Changing spark plugs on ls1's is a nasty job. Uhh.. the cars are cheap but the aftermarket is anything but lol.
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post #13 of 42 Old 07-14-2008, 02:21 PM
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Needs less AOD and more C-4.
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post #14 of 42 Old 07-14-2008, 04:50 PM Thread Starter
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Yeah true, but i like to drive to the around town and to the track and have to have overdrive. I think weight is the biggest problem.

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

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post #15 of 42 Old 07-14-2008, 05:02 PM
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Yeah true, but i like to drive to the around town and to the track and have to have overdrive. I think weight is the biggest problem.
Yeah it's tough for some to break from an AOD for that reason. C-4 would save some weight though, and wont rob as much power. If your not driving on the highway that much they're not bad. Gears will def. help though.
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post #16 of 42 Old 07-14-2008, 08:26 PM
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Track heat intake, 70mm TB, 75mm MAF and a lil weight reduction IMO!

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post #17 of 42 Old 07-14-2008, 08:29 PM
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u have a pm
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post #18 of 42 Old 07-15-2008, 06:13 PM
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Is the port that is open on your intake a large one? I agree that you need to plug that up or connect it to where its supposed to go. The only ports I know of are the ones coming off of the bottom of the intake and the EGR port...is it one of those?

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post #19 of 42 Old 07-16-2008, 08:16 PM Thread Starter
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Thanks for the replies.
Im not sure what port it is right now, i can check later if needed. I have a feeling its for smog possibly? I got rid of all my smog crap a while ago.
So, 3:73's, bigger MAF/Tbody maybe intake and tweaking and i should be around a 13.0 im hoping. What do you guys think about Longtubes and an x-pipe?

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

Needs a blower!!
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post #20 of 42 Old 07-16-2008, 08:21 PM Thread Starter
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Oh yeah, i forgot to mention it was about 85 degrees and very humid out. Also, i think i have a bad fuel pressure regulator because the fuel pressure keeps changing psi on its own.

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

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post #21 of 42 Old 07-16-2008, 10:12 PM
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I think if you iron the kinks out you should dip into the 12's doing the 1-2-1.

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post #22 of 42 Old 07-16-2008, 10:35 PM Thread Starter
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Man i hope so. Ive got most of the parts to do it i just need to optimize what i have

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

Needs a blower!!
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post #23 of 42 Old 07-19-2008, 06:32 AM
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quit wasting money and go for real power ls1
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post #24 of 42 Old 07-19-2008, 09:33 PM Thread Starter
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ok let me just get 10 grand real quick and go buy an LS1

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

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post #25 of 42 Old 07-20-2008, 10:55 AM
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Quote:
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No i did not go to beech bend. I know my MPH is low, i just cant seem to figure out why. The car runs and drives great with no hesitaions and throttle response is awesome. I self tuned by adjusting the air/fuel ratio, timing and fuel pressure.
whats the car doing in the 8th mile mph wise and et wise?
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post #26 of 42 Old 07-20-2008, 04:09 PM Thread Starter
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8.60 at 80MPH

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

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post #27 of 42 Old 07-20-2008, 10:40 PM
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8.60 at 80MPH
so its only picking up 17 mph on the big end....Id def say theres something wrong, should pick up around 22 mph or so up top. Ive seen as bad as 20 mph and as good as 25 mph
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post #28 of 42 Old 07-21-2008, 03:50 PM Thread Starter
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What could be wrong though? Too heavy and not making enough power?

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

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post #29 of 42 Old 07-22-2008, 07:50 PM
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more gear and more stall.

4.10's and 3600stall.

ive been running a 3000stall with stock h/c/i/ combo. now i got gt-40 heads and 1.7 rockers and plan to add a bcam and up the stall to 3500-3600

oh and a dyno graph would help.

Last edited by rsw007; 07-22-2008 at 08:00 PM.
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post #30 of 42 Old 07-22-2008, 08:00 PM Thread Starter
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Thanks for the reply. I really dont want to use 4:10's because i have a 150 shot on the car, im just trying to get it running good N/A first. I figured a 3200 stall would be enough? Anyway, im worried about my trap speed. 97 Mph is terrible for what i have. I must be missing out on something big time???

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

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post #31 of 42 Old 07-22-2008, 08:15 PM
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Thanks for the reply. I really dont want to use 4:10's because i have a 150 shot on the car, im just trying to get it running good N/A first. I figured a 3200 stall would be enough? Anyway, im worried about my trap speed. 97 Mph is terrible for what i have. I must be missing out on something big time???
n/a i trapped 102mph with stock h/c/i now with the gt-40's and 1.7 rockers im doing 105mph my weight is around 3250car and driver.

last week i went [email protected] at a track that doesnt hook good 1.7360ft
first time on slicks. i usually run 275/60's here a vid from last week. http://www.youtube.com/watch?v=YHuVI2BzWg4

AOD car, stock cam, stock intake with untouched iron gt-40 heads and 1.7 rockers [email protected], [email protected] with 1.69 60ft n/a and [email protected], [email protected] with 1.43 60ft on 150shot
before heads and rocker went 11.51 with stock motor and 125shot, and 12.88 on motor.
now b303 and explorer intake and slower

Last edited by rsw007; 07-22-2008 at 08:19 PM.
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post #32 of 42 Old 07-22-2008, 08:46 PM Thread Starter
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Man theres definately something wrong. You trapped 5 MPH quicker than me with stock h/c/i? I have AFR heads, Fcam, Cobra intake and still only pulled 97 MPH. WHat RPM do you shift at? Are you using 4:10's?

89 LX VERT- AFR 165's, 24# Injectors, Tmoss ported Cobra, F-Cam, AOD, Edge 3200 Nonlock, 3:55's, NX 150 Shot, 65mm TB, PMAS 75mm MAF, BBK Shorties, Hpipe, super 44's

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post #33 of 42 Old 07-22-2008, 09:25 PM
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yeah 4.10's was shifting at 5300 with stock heads and now with the iron gt-40's i shift at 5600. i would think your set up would work good shifting at 6000-6200

oh my track is 130ft above sea level

AOD car, stock cam, stock intake with untouched iron gt-40 heads and 1.7 rockers [email protected], [email protected] with 1.69 60ft n/a and [email protected], [email protected] with 1.43 60ft on 150shot
before heads and rocker went 11.51 with stock motor and 125shot, and 12.88 on motor.
now b303 and explorer intake and slower

Last edited by rsw007; 07-22-2008 at 09:28 PM.
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post #34 of 42 Old 07-22-2008, 09:42 PM
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hey scott what suspension are you runnig front and rear and would it work well for a stick car?
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post #35 of 42 Old 07-22-2008, 11:53 PM
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Changing spark plugs on ls1's is a nasty job. Uhh.. the cars are cheap but the aftermarket is anything but lol.
Uhh ok it may take me like 10 mins longer then chaging the plugs on my 5o and thats a maybe lol its not hard at all. The aftermarket whats wrong with it? Just because they dont have as many body kits like they do for mustangs lol. Yea thats weird your car has no issues like hesitation or nothing and its not going as fast as it should. It sounds to me like you have everything in decent working order a/f is pretty good timing is decent what happens if you go up to around 14 degrees?

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