!!!!!1968 383 NEED OPINIONS FOR A GOOD CONVERTER!!!!!

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    Author Topic: !!!!!1968 383 NEED OPINIONS FOR A GOOD CONVERTER!!!!!  (Read 1279 times)

    Offline 1968mopar383

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    !!!!!1968 383 NEED OPINIONS FOR A GOOD CONVERTER!!!!!
    « on: November 20, 2007 - 05:48:14 PM »
    HI....I HAVE A FRESHLY BUILT 383 HERE ARE THE SPECS......stock crank.. polish and new bearing...edelbrock camshaft:Duration at 0.006" Lift: Intake: 300° Exhaust: 308° 
    Duration at 0.050" Lift: Intake: 238° Exhaust: 246° 
    Lift at Cam: Intake: 0.320" Exhaust: 0.330" 
    Lift at Valve: Intake: 0.480" Exhaust: 0.495"...with matching valves springs....edelbrock double roller timming chain...edelbrock torquer aluminium intake.....edelbrock 750 cfm performer series..kb400 dome pistons...full length hedman headers 1 7/8 ..3'' out....906's with little porting....(88 cc)...2.14int 1.88 exh valves...thinking of 3.55 rear gear....dont know the hp of the engine....and i was looking for a TCI breakaway 11''.....converter....2400 flash....for a 1968 tf 727 ...i want to run mostly on the street....but want some good launch on the track....is it a good choice??or a higher stall be required and when they told you the specs of the converter they tell 24 splines.....24 splines is it on the big shaft near seal of the trans or the little one that enter the big shaft??....thanks a lot for replies :cheers:
    « Last Edit: November 20, 2007 - 05:49:56 PM by 1968mopar383 »
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    Offline Moparal

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    Re: !!!!!1968 383 NEED OPINIONS FOR A GOOD CONVERTER!!!!!
    « Reply #1 on: November 20, 2007 - 06:44:26 PM »
    A good 10 inch with a 35 to 3800 flash will satisfy your need to launch. In 1966 there was a different spline input shaft and maybe 67, but the standard for non lock up is 68 to around 76 yr model I believe. Run a tranny cooler and I say anything under 3500 takes bottom end tq to launch hard. Single plane intakes work good from around 3k to 6.5k  I myself would like a bit steeper gear for the street like a 391,410 or even a 430 for the 383 cube.

    Chryco will surely add an abundance of his knowledge to your post , once he sees it. :2thumbs:
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    Offline cudabob496

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    Re: !!!!!1968 383 NEED OPINIONS FOR A GOOD CONVERTER!!!!!
    « Reply #2 on: November 23, 2007 - 05:13:31 AM »
    I agree with a good 10 inch converter (that gives about a 3500 stall) and at least 3:91 gears. Went with that on my Cuda and its great for the street.  I use a B&M stacked plate super cooler for the tranny (about 12 in  X 12 in X 1.5 in) that you can get for under $100, and mount it in front of the aluminum radiator.
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    72 Cuda, owned 25 years. 496, with ported Stage VI heads, .625 in solid roller, 254/258 at .050, 3500 stall, 3.91 rear. 850 Holley DP, Reverse manual valve body.

    1999 Trans Am, LS1, heads, cam, headers, stall, etc! Love to surprise the rice rockets with this one. They seem so confident, then it's "what the heck just happened?"

    2011 Kawasaki Z1000
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