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Thread: Got the SC dyno'd....Excellent results

  1. #16
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    Oct 2002
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    Hopefully I'll be able to test it all out with drag radials on the 20th. If not, then I may try for the club clash in IA somewhere around that time as well. I had a chance Sunday morning, but didn't go since the wife has been kind of upset with me lately.

    Ambient temp for the dyno pull was 76* so I know that I have decent power to that level. It's been pretty cool here lately so I'm hoping for some continued cool weather for the track. I just need to make sure that I hook up.

    I'll be very happy though with low 14's. My best so far has been a 15.007 so a second faster would make me very happy. I've added about 100 rwhp/tq so the 14.0 should be attainable. I'm just hoping for that little extra that sends me to 13.9... We'll see when I go to the track.

  2. #17
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    Apr 2002
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    You added 100 RWHP/T? You mean crank HP/T? About the worst SC I've seen in stock trim put 190RWHP down....most are capable of 200/300 RW stock.

    BUT, you probably have a solid 20% drivetrain loss which would put you around 310HP/425T. Pretty nice numbers.

    Micah

  3. #18
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    Oct 2002
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    Quote Originally Posted by Micahdogg
    You added 100 RWHP/T? You mean crank HP/T? About the worst SC I've seen in stock trim put 190RWHP down....most are capable of 200/300 RW stock.

    BUT, you probably have a solid 20% drivetrain loss which would put you around 310HP/425T. Pretty nice numbers.

    Micah
    Going off what Ford advertises for hp ratings...210/315. Those are the #'s I went with since I didn't have a "starting" dyno. figuring 20% drivetrain loss, that's where I came up with the rwhp/tq... Just using the best known numbers I had. Since I didn't have any, I used Ford's.

  4. #19
    Join Date
    May 2002
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    Colorado
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    You should get 13s but it will be close, if not the gears will get you there for sure.
    Doug, Tony & I went to the track Sun AM.
    Doug ran a 16 sec ET at 96mph, spinning so bad he ran a 3.6 60', his car definately has 13s in it. He put down like 290hp/tq??. after tuning.
    He didn't make another pass cause the car was acting weird.
    After he shut it down it started gurgling and overflowing coolant out the overflow tank. I don't even want to thing HGs after just got it running. but ???? It wasn't overheating but pressure on the coolant system was quite obvious.
    As for me I ran a 13.15 @ 106 , couldn't get a 12, but I don't think the 3.55s were helping. The best #s we made...sat night after midnight were 343hp/404.4 tq, After Daves tune.
    Tony ran a 15.2 but wasn't to happy with that. 4.6 LX, I think his dyno #s were about 185hp
    It was nice to meet you Sam,
    hope to see you at the shootout in OK this fall.

  5. #20
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    I heard about Doug's misfortunes at the track. He was supposed to call, so I could go too, but that's okay. There are other days and I think it was a bit too cold for any traction unless you've got good tires, which I don't!

    You did end up with some pretty good numbers considering all the trouble you had. I wish that I could have seen it, but had the wife issue to deal with...I still like sleeping in my bed!

    Even after the events of Friday night, the wife said that October is still possible for me. So that is very good to hear. I'm definately going to be doing everything that I can to get there. And if I can convince the wife it's worth it, I'll have the gears and torque converter added to my mod list for then.

    It was great to meet you too. It was also good for the wife to see that there's women involved in the SC community as well. I think that she's not so anti-SC anymore.

  6. #21
    Well Ford underated the HP level slightly so that it would be under the advertised Mustang numbers. Like Micah said 190 rwhp is what most early SCs will put down stock. I think my friends stock 95 5 speed made 205 rwhp. He is now at around 245 rwhp and has run a 14.49 @95 mph with a 2.0 60'. 413 ft elevation.

    If you get some slicks a very low 14 should be there. Micah has just gotten to the 13s and he is making around 270 rwhp.

    I know that my 89 SC auto shifts into 3rd right around the 1/8th mile. So I have no gear multiplication for half the track, and from that point on it's all about hp. Your 4R70W auto SC has the same 3.27 gears as mine has so this should be the same situation for you as well. I have no doubt the 3.73s would be worth 2 to 3 tenths.

    Jerry

  7. #22
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    Quote Originally Posted by Shockwave
    Your 4R70W auto SC has the same 3.27 gears as mine has so this should be the same situation for you as well. I have no doubt the 3.73s would be worth 2 to 3 tenths.

    Jerry
    Actually I've got the AOD...Still a '92 SC... Just put the late model blower on it. 3.73's should be worth more than .3 over my 3.27's. But traction will be the issue...it already is...

  8. #23
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    May 2002
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    Colorado
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    Sam
    Do yourself a favor & scrap the torque conv idea until you get some injectors & gears.
    Then you will know whats its really capable of.
    The convertor alone will only make you mad. you won't see abig improvement anywhere, just a loss of MPG.
    The convertor is for people who have everything else & are looking for that bigger launch at the track.
    Don't forget NA cars dont make big torque down low, They need a convertor to improve 60' times. My boys N/A 350 79 camaro is putting down 260rwhp, has a 2500 stall & runs 13.8s with a lousy 2.0, 60' on drag radials. The convertor helps him as his TQ #'s only come on, up top. without the conv he only managed 2.3s on drag radials
    You have an SC and the low torque numbers are there already.

    I'm just speaking from experience...you can run 13s with some DRs, gears & bigger injectors to get that little bit of extra HP up top.
    4 yrs ago we ran 13.8s with your same setup, plus the 3.73 gears & 38lb inj.
    no convertor we managed, 1.90 60' times on BFG Drag Radials.
    so get the gears first, then the inj. after that do whatever you like.
    Last edited by SCgraphics guy; 05-02-2005 at 08:25 PM.

  9. #24
    Join Date
    Apr 2002
    Location
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    Quote Originally Posted by SCgraphics guy
    As for me I ran a 13.15 @ 106 , couldn't get a 12, but I don't think the 3.55s were helping. The best #s we made...sat night after midnight were 343hp/404.4 tq, After Daves tune.
    Damn Todd, I would have bet the gas back to CO that you were going to run a 12 something! The car felt really strong on the street although the more I think about it I feel that it is just running out of IC because it does still lay down some in 3rd. However, the MPH is good. 106 is an improvement for the car I believe, isn't it? Pretty decent for 1500 ft elev.

    Any other comments about how the car ran at the track?
    Quote Originally Posted by Miller View Post
    Ya thats why i tape mine down. People think its bc i dont have a moonroof seal (which is true) but its really to keep my roof from ripping off .
    Email me here.

  10. #25
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    Oct 2002
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    Quote Originally Posted by SCgraphics guy
    Sam
    Do yourself a favor & scrap the torque conv idea until you get some injectors & gears.
    Then you will know whats its really capable of.
    The convertor alone will only make you mad. you won't see abig improvement anywhere, just a loss of MPG.
    The convertor is for people who have everything else & are looking for that bigger launch at the track.
    Don't forget NA cars dont make big torque down low, They need a convertor to improve 60' times. My boys N/A 350 79 camaro is putting down 260rwhp, has a 2500 stall & runs 13.8s with a lousy 2.0, 60' on drag radials. The convertor helps him as his TQ #'s only come on, up top. without the conv he only managed 2.3s on drag radials
    You have an SC and the low torque numbers are there already.

    I'm just speaking from experience...you can run 13s with some DRs, gears & bigger injectors to get that little bit of extra HP up top.
    4 yrs ago we ran 13.8s with your same setup, plus the 3.73 gears & 38lb inj.
    no convertor we managed, 1.90 60' times on BFG Drag Radials.
    so get the gears first, then the inj. after that do whatever you like.
    I'll consider the advise. One thing that I'd like to point out though is that I'm not going to go with a high stall converter for better low numbers. I was actually looking into a converter that has close to the same stall as stock, but non-locking so as to keep the torque multiplication throughout the 1/4 mile. I'm not ready for a high stall converter yet as my engine is no-where near the power level to properly use one. I was just thinking a little different from stock to get the most out of my current set-up. When I do more radical engine work, then I'd look at getting a more extreme TC. What's your advice on that?
    (Specifically I'm looking at a 2100 stall non-locking) Gears are definately first, but then I was going to go with the torque converter as new injectors would through off my tune enough to have to get it re-tuned. Right now I feel comfortable with the tune, because I'm not making any power above 5k...and my injectors are out at 5200. I'm not sure that larger injectors would be helpful until I have some head and or cam work done. I could go with a different pulley and then larger injectors would be more of an issue, but I think that for now, I'm happy with the power level.

    Truth be told, I'm still up in the air as to what I'm going to do after the gears. There's not much that I can do without getting into the heads/cam or AR. A raised top may or may not help. I've never been convinced of the benefit, so I haven't done it yet. A non-locking converter will help me get a little faster times. I refuse to spend money on the MP stuff, partly because I think it's overpriced and partly because I'm doing pretty good without any of it. (If I get a raised top it won't be an MP one.) What mods can I do that would be considered "bolt on" type mods? I'm saving the heads/cam, AR for another time. Right now I want to keep it all external. I know there's not much that I can do.

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