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Thread: Converter help...

  1. #1

    Converter help...

    I need some input on a good converter choice.. First of im setting up a street 71 chevelle,around 3800lbs with driver.Im running a 410 gear in the rear and 28" tall tires/slicks. thru a turbo 400 w/brake.The engine is a 604ci BBC :lol: (GOT A DEAL ON A 4.750 CALLIES CRANK) Dart Big M block,4.750 callies crank,6.700 Eagle H beam rods w/L19 bolts,Diamond flat top pistons 10.5 to1 compression,Dart Pro 1 cnc 355 heads ,comp cams solid roller 680/680 261/271,sniper intake gasket matched to heads and a 4 circuit carb set up for this by Chuck Nuytten..
    I plan to run this 80% on the street and 20% at the track..just test and tune nitrous yet.. :twisted: only plan to run around 5500/6000 max rpm.Cam seems a little low for this combo I think, but I have it so Im gonna try it out.. anyone got a sugestion for this combo?? Ive got a 10" Trans specialities high stall converter w/anti-balloning plate supposed to stall at 3800 behind a BBC and take 800+HP...But I dont think this will hold up to this combo.. Any help will be appriceiated.. :wink:

  2. #2
    Senior Member MASTER BUILDER
    Join Date
    May 2003
    North East, Maryland
    I would call TS and tell them what you have and give them the specs. You could probably send it back to them to freshin it up and i'm sure they could do what ever needs done. You seem to be starting at a good base for what you have maybe just a lil higher stall but i.m sure they could help you maybe save some money.

  3. #3
    I did e-mail Trans Specialities and they suggested a 9" spragless converter around the same stall..never ran a spagless converter before :shock: ..

  4. #4
    Senior Member RACING JUNKIE jmarksdragster's Avatar
    Join Date
    Jul 2007
    If your car is primarily for street, DO NOT use a spragless. I have one in my dragster and love it, it's a little slower but more consistent and more durable. You need the sprag on the street at cruise speeds. A spragless will kill mileage.
    Mark Whitener

    Good work isn't cheap, and cheap work can't be good.

  5. #5
    Well thats good to know.. Thanks for the info..

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