Transmissions and Drivetrain Need help with your trans? Problems with your axle?

700r4 2-3 shift

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Old 11-27-2016, 09:19 AM
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700r4 2-3 shift

Ok 1st off I have a built trans, but don't have a lift so I H8 to do trans/converter swaps unless I really have to. My current trans has 90k and a corvette servo, cooler, alum pan, 2000 86 corvette stall.


Anyways my 2-3 shift just feels slow/delayed, a common problem with 700r4's I've read. So I've looked at maybe improving/fixing this w/o pulling the trans and not spending a lot(because I have a built trans for when this one goes or when I finally put a decent converter in it). I've found two possibilities, the trans go Jr kit or maybe the sonnax Release Check Valve Kit.


Links for both


http://www.transgo.com/products.php?...product_id=168


http://www.sonnax.com/parts/2432-ser...heck-valve-kit




My trans experience is limited so less complicated is better LOL


I also have another project that is gonna get a used working 700r4 that I plan to do the vette servo n either of those(or both) before I even drop the motor/trans in.
Old 11-28-2016, 01:13 PM
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Re: 700r4 2-3 shift

No corrections or advise?
Old 12-27-2016, 05:39 AM
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Re: 700r4 2-3 shift

Both items you listed seem like they should help you out. One other thing you might want to look into is a lighter/weaker 1-2 accumulator spring. The accumulator cushions the harshness/quickness of the shift, so a weaker spring will lessen the cushioning and hopefully quicken up the shift as well.




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