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  1. #1
    Join Date
    Nov 2015
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    Naturally aspirated 3.6 V6 Challenger running 13's in the 1/4 mile

    Broke into the 13's tonight with my naturally aspirated 3.6 Challenger sxt. The Density Altitude was 1797 ft tonight with a 60 degree air temp.

    60ft 2.06
    330ft 5.89
    1/8 et 9.01
    1/8 mph 77.47
    1000 ft et 11.71
    1000 ft mph 90.16

    1/4 et 13.97
    1/4 mph 100.11

    I have simple bolt-ons any one can do, many that claim do nothing for power and say they are just for sound, I will like to say, this is wrong.

    Bolt-ons works, I have a simple cai that I built, I have stock throttle body that has been ported by me, I have stock intake manifold that I have ported myself and I have a huge 2 3/4" exhaust with stock cats with an addition of a simple 3.64 gear swap, spent some time tuning everything together and reworked the TCM (transmission control module). Nothing really fancy.

    Spent a lot of time with trial and errors finding what parts will do. Which in turn I have lowered my e.t.'s from low 15's stock factory at around 93 mph ( +/- 1100 ft da) to what it is now a 13 second ride at over 100 mph. Using the same race track as the measuring stick for improvements.

    With bolt-ons that about everyone says don't work and you wont feel a difference.

    Anyways I'm done with squeezing everything I can out of the engine naturally aspirated and next I'm going to add a sprintex supercharger to see what I can do with that.
    2013 Challenger 3.6, Bought new 1/31/2013,BT catch can,180*stat,custom tune,custom CAI & TB,ported intake,custom head tubes/ mid pipes w/stock cats,Corsa 2 3/4" catback,Htuner TCM,3.64 gear ratio 13.97@100.11 mph 2.06 60ft 1797 ft DA
    Thanks jasontyo thanked for this post



  2. #2
    Join Date
    Dec 2006
    Location
    PA
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    4,511
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    I havent been on the forums in a long time, but its amazing what youve pulled off with an NA V6. kudos!
    05 Dodge Magnum RT
    93 240sx

  3. #3
    Join Date
    Nov 2015
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    Thanks,

    I have been toying with an idea of getting a stall converter before putting the supercharger on.

    I think a stall converter alone would send the car down to the mid 13.50 range e.t. wise maybe even quicker.

  4. #4
    Join Date
    Apr 2009
    Location
    Sarasota, FL
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    Quite surprised to see you in the 13's without one... my 3.6 charger is a total dog out of the hole. Got a 3.92 diff on the way which should help a lot, but I really think a 3k stall should be a big shot in the arm. How does that Corsa exhaust sound in the car? I saw some vids of it at idle and a rev, but curious about any drone. I completely despise the sound of this 3.6 and that corsa setup borrowed from a 6.1 that you got is the closest I have heard to a decent sound.

  5. #5
    Join Date
    Dec 2004
    Location
    maine usa
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    14,001
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    I think you are right about the converter. Dare I say, might want to try some nitrous, before a blower. Would be nice to get it on a dyno, especially for tuning nitrous, if you do. Come out of the hole at 2800-3000 with some sticky M/T's, the instant that tires hook, hit it with a 75 shot then a second later another 25 shot, 12's all day long. Do a stealthy nitrous install, the Mustang and Camaro guys will be scratching their heads. I would run some 100 octane, colder plugs gapped down.....
    FRI Sidewinder cam, Dynatec LT Headers , BorlaCatback , 93 octane dyno tune, 333rwhp/350 ft lbs, Police Pack Oil Cooler, SRT 8 Struts and Nivo's ,Hotchkis sway bars,B Woody end links, , 275/40/20 Ventus ST's , 05 QC4X4 Hemi Ram . Never Trust a Fart

  6. #6
    Join Date
    Nov 2015
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    Quote Originally Posted by cadillac bob View Post
    Quite surprised to see you in the 13's without one... my 3.6 charger is a total dog out of the hole. Got a 3.92 diff on the way which should help a lot, but I really think a 3k stall should be a big shot in the arm. How does that Corsa exhaust sound in the car? I saw some vids of it at idle and a rev, but curious about any drone. I completely despise the sound of this 3.6 and that corsa setup borrowed from a 6.1 that you got is the closest I have heard to a decent sound.
    Talking about this video?




    Challenger 3.6 Corsa Xtreme 2 3/4" exhaust - YouTube



    There is no drone at all. I personally think it's the best sounding 3.6, I have listen to many exhaust set ups. I know I'm real happy with the exhaust considering it's a 6 cylinder.

    I wanted to do everything I could to make the car quicker without any "major" wrenching, just tweak the incoming air and the exhaust to make as much power as I could, with a decent set of gears that would give "full pull" through the 1/4 mile and would allow room for a supercharger.

    Still thinking about the converter something around 3600 rpms, just a tad low to allow me to hook on a decent street tire like right now, but not to high of a converter like 4000 plus that would just blow the tires off per say.

    So I can run the same times whether strip or street, that kind of approach I'm taking, many times you see fast cars run say 12's at the drag strip but on the street can only run a 14 because of no traction, so the approach I'm taking as I have in the past, have the car set up to run the same times no matter where I'm at.

    Give you an example, friend of mine would turn 12.90's at the strip on slicks, my camaro ran 13.50 flat in street trim pretty much every pass really good bracket car, on the street I would beat him every time by many car lengths he never caught me, of course my car was geared with 2.73 gears and under stalled the engine with a 2500 converter, I could launch that thing on any road and not spin the tires.

    Did the same thing with that camaro when it ran 11.80's on a 275/60-15 tire,a lot of work on the chassis to get it to hook on cheap BF tires, but no matter where that car went it ran the same e.t. street or strip it was a true an honest 11 second street car.

    Using the same approach on this lil v6 and having fun doing it. Just no big hurry to make changes, something I tinker on when I have time, not like it was 30 years ago, wrenching everyday and hitting the track every week end.

  7. #7
    Join Date
    Jul 2017
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    Quote Originally Posted by ddeennis View Post
    Broke into the 13's tonight with my naturally aspirated 3.6 Challenger sxt. The Density Altitude was 1797 ft tonight with a 60 degree air temp.

    60ft 2.06
    330ft 5.89
    1/8 et 9.01
    1/8 mph 77.47
    1000 ft et 11.71
    1000 ft mph 90.16

    1/4 et 13.97
    1/4 mph 100.11

    I have simple bolt-ons any one can do, many that claim do nothing for power and say they are just for sound, I will like to say, this is wrong.

    Bolt-ons works, I have a simple cai that I built, I have stock throttle body that has been ported by me, I have stock intake manifold that I have ported myself and I have a huge 2 3/4" exhaust with stock cats with an addition of a simple 3.64 gear swap, spent some time tuning everything together and reworked the TCM (transmission control module). Nothing really fancy.

    Spent a lot of time with trial and errors finding what parts will do. Which in turn I have lowered my e.t.'s from low 15's stock factory at around 93 mph ( +/- 1100 ft da) to what it is now a 13 second ride at over 100 mph. Using the same race track as the measuring stick for improvements.

    With bolt-ons that about everyone says don't work and you wont feel a difference.

    Anyways I'm done with squeezing everything I can out of the engine naturally aspirated and next I'm going to add a sprintex supercharger to see what I can do with that.
    Hey I wanted to port my intake and throttle body as well and wanted to know if you can help me out on what you did and how you did it. I would appreciate it


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