Shift Kit Improvements

Discussion in 'Technical' started by JonnyRebel, Jul 3, 2006.

  1. scooper77515

    scooper77515 No current projects.

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    I just had to... now if I could only find an excuse to say "NAWSSS"... :evilsmile

    (That is NOS, as in Nitrous, not New-Old-Stock, or Not Otherwise Specified, for you non-crappy-movie-goers)
     
  2. ShadowMaster

    ShadowMaster The Bad Guy

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    What's "snow"????? :rofl2:
     
  3. scooper77515

    scooper77515 No current projects.

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    The only "Snow" I know of was a white guy who attempted to do some Reggae/Rap back in the early 90s :D

    He was actually better than Vanilla Ice, but not by much...
     
    Last edited: Jul 14, 2006
  4. T.L.

    T.L. Banned

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    My stock C-4 has always shifted like it has a shift-kit in it, but it doesn't and never has. I love the way it shifts and wouldn't change a thing. Always breaks the tires loose going into 2nd under hard acceleration. Good neck-jerking shifts. Shifts firm even during normal driving. Never been a need for a shift-kit...
     
  5. scooper77515

    scooper77515 No current projects.

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    TL, has yours been rebuilt?

    Mine, and I assume JonnyRebel's, are still running original seals, etc. and we are just looking for a way to quickly destroy a perfectly good C4 :D

    Mine is all bone stock with less than 60k miles on it. I drive it hard recognizing that each time might be the last. I actually drive much more conservatively, nowadays, and don't go to the track anymore. I want the engine and tranny to make it another year or so until I can afford a proper rebuild.

    I have convinced myself that firmer shifts are easier on the bands and fluid, thereby extending the life of my trans...I know there is at least a little truth to this... :rolleyes:
     
  6. T.L.

    T.L. Banned

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    I think it's better for the trans, just harder on U-joints & tires (which I don't care).

    Yeah, it's been rebuilt stock, but it always shifted quick & firm even before that. Shifts no differently after the rebuild. There's no shift-kit in it...
     
  7. scooper77515

    scooper77515 No current projects.

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    When I added the "shift kit" mods, it all of a sudden started to really slip between gears, and I had to tighten the intermediate band to 1 turn off 10ft/lbs to keep it from flaring to high hell between 2nd and 3rd.

    I figured it is time for a rebuild, but don't have that kind of cash just laying around. (Actually, I had it laying around, but the wife found it... :huh: , so now, it no longer exitsts!)
     
  8. PaulS

    PaulS Member extrordiare

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    I would love to see what is at the Burley 4x4 site but I have tried everything to get in and it displays the page is down. - Has anyone got a link that works?
    When you say you installed a home made kit that caused a flare it is not a very good kit if it causes other problems. I don't care for B&M kits - there is very little engineering in them. I have used and once in a while I will still use the TransGo kits - the -2 kits. Those kits don't cause any other problems and if you drive the car easy it shifts easy. When you get on the gas it also makes the tranny work harder. They make good kits but only the -2 kits are worth buying. They also make a kit for a manual shift valve body. Te kit they sell is reversable so that you can take the kit back out and restore your valve to auto shift mode - no other kit will do that as far as I know. If you want a manual shift then you are way ahead buying a maual shifting valve body from one of the aftermarket tranny places. I don't see any need for them on anything but a pure racing machine with 600+ hp. People who put a manual valve on their street machine are just out to show off and destroy their car in the process.
    There are modifications that you can make to a valve body to make it shift harder and there are things that can be done to eliminate the 2 - 3 flare. You can do both. You can also modify a governor to shift at 5800 every time for that street car that you bracket race a few times a year. With perfect shifting the C4's are as consistant as a car can be. So if you want to have some real fun racing all weekend long then you build you engine to shift at 5800 rpm and do the same to your C4. As long as you get traction and don't screw up at the tree you can dial it in to the nearest hundreth of an inch and never break out, never get beaten unless they break out. How much hp can you get from your maverick at 5800 rpm?, how much weight can you eliminate from your car and still enjoy driving it? How much fun are you going to have busting the cars that come up against you all day long?
    Yes, I am open to anyones modifications as long as they are proven and don't generate more problems. I am going to try to keep the modifications to those that anyone can do with hand and powered hand tools. If it takes a lathe or mill I may put it in for those who have or have access to those tools but I would like to keep it aimed at the hobby car builder.
     
  9. redneckboy

    redneckboy Member

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    well i tell ya what, that homegrown kit that oldguy puts in all of my c-4's is a shifting mother, and yes, sometimes it will flare pretty good between 2-3, but this is also dependant on what kind of servo you run, if you run an A or B servo, you can probably expect flare with pretty much any kit you get those aftermarket servo's are nothing but a good ole H code with a billet cover, a C servo can also be moded to do the trick too, but i have heard that they'll break the ears off the band because they apply so much clamping forces after the mods were done, the one i always liked was the R, it didnt flare any at all between 2-3 unless you run it low as hell on fluid, which is to be expected, you've got alot of choices, plus even if you have an A or B you can still counteract the flare a little by runnin the band a little tighter, i know somebody said that already, but by far for the money you would be extremely happy with the 26 cent shift kit my freind
     
  10. scooper77515

    scooper77515 No current projects.

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    That Burly site is where I got the instructions for my "homemade" shift. I think I have it printed out, with all the pictures...I might be able to scan it and post it here.

    I assume my flare is from 35 year-old parts, not from the valvebody mods. I got rid of most of the flare, enough that I still know it is there, but the passenger does not. I just tightened the intermediate band nut...just after the kit, it screwed in about 3-4 turns before bottoming out, then torqued to 10, and backed off 1 turn (I think that was how I did it).

    I will look around and see if I can't put that burly info on here. Maybe Stefan will let me upload it without using my allotted attachment space...
     
  11. scooper77515

    scooper77515 No current projects.

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    YEP, found them. If anyone is interested, let me know, and I will get with Stefan and get permission. I don't think it is "copyrighted", if so, I will post it to my website and put a link to it on here.

    If nobody wants it, I won't waste my time scanning all of it, etc...So let me know (PM or post here).
     
  12. Andysutt

    Andysutt '72 Comet GT

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    Somebody here may want it, so Im sure it'll be worth scanning.
    Me personally, will just go w/ Old guy's kits as Ive seen it done by him a million times and know they work very well.

    Thanks for the info
     
  13. scooper77515

    scooper77515 No current projects.

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    What is Old Guys Kit? Might be the same thing as I will post...

    I PM'd the big cheese for permission, just haven't heard back from him yet. I would like to make it sticky to attach to that one on the Transmission Forum...

    This "kit" is just a couple pictures showing you which holes to drill out a bigger size, which little balls to throw away, a couple of things like that.
     
  14. Andysutt

    Andysutt '72 Comet GT

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    His is pretty much same thing.... need to get a small ball bearing. I dont recall the size, but he knows all about it off top of his head im sure.
     
  15. scooper77515

    scooper77515 No current projects.

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    I didn't need to add any parts for mine. So at least it is different from Old Guy's. Which is good...I would hate to ruin his business by posting his plans up here for everyone to do in the garage...
     

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