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Thread: more numbers from the track

  1. #1
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    more numbers from the track

    My buddy and I raced his 85 shelby charger again. His best time was 15.9 @ 87. (10 psi)

    Here are my runs:

    Perfect R/T is .500
    R/T.....60ft......330ft.....1/8 . . . . . . . . 1/4. . . . . . . . . . .boost

    .505 .. 2.247... 6.643 .. 10.299@67.06 .. 16.1749@83.65 .. 7 psi
    .506 .. 2.229 .. 6.599 .. 10.249@66.59 .. 16.131 @83.52 .. 7 psi
    .559 .. 2.371 .. 6.683 .. 10.217@69.24 .. 15.8681@87.38 .. 10 psi
    .507 .. 2.400 .. 6.581 .. 10.146@68.31 .. 16.2351@78.69 .. 11 psi (OVERBOOST!)

    The car is stock except exhaust. The engine is a 2.2 TI LOG. For exhaust, it currently has 3" to the rear axle, then goes to 2.5"

    Any comments, or suggestions?

  2. #2
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    Re: more numbers from the track

    Hack off the exhaust after the down pipe, and before the cat.

    Damn it was hard just to sit and watch Friday, I'll probably run the car next week though.
    John Brown Had a TD... '98 Neon R/T sedan... The snow whip, has knobby tires. '93 LX 5.0/5spd Not a TD, rear drive, makes cool Vee eighty sounds.

  3. #3
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    Re: more numbers from the track

    Quote Originally Posted by ShelbyTurbo View Post
    Hack off the exhaust after the down pipe, and before the cat.
    I would, if it was my car. I doubt he is going to want to do that to his new exhaust. BTW, he is not running a cat.

  4. #4
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    Re: more numbers from the track

    I think just about everybody that was there told him to hack the exhaust off.

    If anything he should've had Muffler man run a 3" side exit with a glass pack.

    It would've been quiet, and wouldn't be corked off like the new exhaust he put on.
    John Brown Had a TD... '98 Neon R/T sedan... The snow whip, has knobby tires. '93 LX 5.0/5spd Not a TD, rear drive, makes cool Vee eighty sounds.

  5. #5
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    Re: more numbers from the track

    Yeah, stupid muffler man gave up on trying to bend it over the rear axle. I told him to just go with side exit but he didn't want to. I doubt he's going to keep it like that forever. At least 2.5" over the rear axle is still a hell of a lot better than the stock 2".

  6. #6
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    Re: more numbers from the track

    With out a doubt its still better than the stock 2".
    John Brown Had a TD... '98 Neon R/T sedan... The snow whip, has knobby tires. '93 LX 5.0/5spd Not a TD, rear drive, makes cool Vee eighty sounds.

  7. #7
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    Re: more numbers from the track

    way way way better. With stock exhaust, the max trap speed was 80 mph. Replacing the cat with a straight pipe increased it to 82. Open downpipe got it up to 84s. With its current exhaust, its hitting about 83.5 @ stock boost, 87 @ 10 psi

  8. #8
    Moderator Turbo Mopar Staff Vigo's Avatar
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    Re: more numbers from the track

    cool that you kept track.

    times still seem a few tenths off for a log with exhaust @10psi in a charger, but you are soo far ahead of where you started, theres no complaining.

  9. #9
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    Re: more numbers from the track

    yeah a few tenths off, but how close is the 87 mph trap speed?

  10. #10
    turbo addict Tony Hanna's Avatar
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    Re: more numbers from the track

    Just a thought, but why not add a 3" cap style cutout in the downpipe. That's the route I plan to go so I don't have to listen to a 3" over the axle pipe rattling and banging around.

  11. #11
    Moderator Turbo Mopar Staff Vigo's Avatar
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    Re: more numbers from the track

    i think 87 mph is perfect for a log/charger on 10psi with a 'decent' exhaust upgrade.

  12. #12
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    Re: more numbers from the track

    I'm thinking the car should be able to run a 15.5 easy with a good launch

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    Re: more numbers from the track

    Quote Originally Posted by 93sundance View Post
    I'm thinking the car should be able to run a 15.5 easy with a good launch
    Here are my suggestions; 1.Get a cut out riser so you don't hit overboost shutdown. 2. Grainger the boost to 12 psi (if no grainger now). 3. If you want more than 12 psi, add some race gas. Go up in boost slowly, listen for detonation and check the plugs.

    I'm assuming you have a good boost gauge. If not, GET ONE, so you know where you are running! If you go over 12 psi, get an air/fuel meter to make sure you have enough fuel for more boost.

    With race gas, and/or alcohol injection, the car should be high 14 second capable.
    1986 Chrysler Lebaron 2 dr. R.I.P. 2.2 T1 log intake, modified to intercool Best 1/8th 9.03@77mph / Best 1/4 14.16@93.55mph Running on E85:nod:[SIGPIC][/SIGPIC] '93 Spirit 2.5 TBI 5 Spd(sold), '85 Ramcharger, 360 4brl, NP435 4 Spd. The new ride; '90 Sundance 2.5 T1/5 spd. FMIC(from Ford Probe) new Mitsu; Best 1/8th 8.96@79.16 / Best 1/4 14.06@101.27

  14. #14
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    Re: more numbers from the track

    Quote Originally Posted by Spraynlog View Post
    Here are my suggestions; 1.Get a cut out riser so you don't hit overboost shutdown. 2. Grainger the boost to 12 psi (if no grainger now). 3. If you want more than 12 psi, add some race gas. Go up in boost slowly, listen for detonation and check the plugs.

    I'm assuming you have a good boost gauge. If not, GET ONE, so you know where you are running! If you go over 12 psi, get an air/fuel meter to make sure you have enough fuel for more boost.

    With race gas, and/or alcohol injection, the car should be high 14 second capable.
    We are running a decent boost gauge. It seems to be pretty accurate. It sits right at 7 psi when using the stock restricter and solenoid. Boost cutout is right at 11 psi psi on the dot. We are using a manual boost controller right now, and it works great. I have it set so it sits right on 10 psi @ full throttle. I want to be on the safe side and run race gas anything over 10 psi. I also have a decent a/f ratio gauge that will be installed soon. I believe we can get it running 14s with the log intake. We will be converting to TII later this season. Hopefully the car will be running 13s by next year.

  15. #15
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    Re: more numbers from the track

    Running 14's with a mostly stock SC should be a peice of cake considering the car already runs mid 15's stock. Turn the boost up to 13psi, make sure everything is tuned properly and get some traction.

    Not trying to nit pick just trying to give you a goal. I'm sure the first few times I go to the track I'm gonna be looking at a string of times that don't show my car's potential.

  16. #16
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    Re: more numbers from the track

    IMO MPH seems a little low. My SC with similar mods trapped around 90. I actually went 94 running 13-14PSI.

  17. #17
    Supporting Member Turbo Mopar Contributor Ondonti's Avatar
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    Re: more numbers from the track

    THIS CAR IS NOT A T2!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  18. #18
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    Re: more numbers from the track

    Woot! I just ran a 15.42 @ 88.5 with no more mods. Just a 2.18 60 ft

  19. #19
    I'm down with my bad self Turbo Mopar Staff Mopar_Nutz's Avatar
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    Re: more numbers from the track

    Quote Originally Posted by 93sundance View Post
    I'm thinking the car should be able to run a 15.5 easy with a good launch
    Quote Originally Posted by 93sundance View Post
    Woot! I just ran a 15.42 @ 88.5 with no more mods. Just a 2.18 60 ft
    You did that on purpose...
    Ian
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    www.FWDMopars.com

  20. #20
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    Re: more numbers from the track

    Nonsense!

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