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complicated question - synchro's #322504 Nov 9, 9:51pm Nov 9, 9:51pm
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complicated question - synchro's
i need specs and pictures of the synchro's for all the gears in the 5 & 6 speed tranny for the celica's.

any info you have... cad diagrams would be best...

i might end up having to buy a set from toyota and return them after the project if i cant get the info i need on the net.

Re: complicated question - synchro's [Re: spaztikid] #322505 Nov 10, 3:02am Nov 10, 3:02am
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wow what's the project? just curious.


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Re: complicated question - synchro's [Re: QTRMLR_1] #322506 Nov 10, 5:10am Nov 10, 5:10am
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stainless steel synchros would be my guess


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Re: complicated question - synchro's [Re: jway83] #322507 Nov 10, 5:16am Nov 10, 5:16am
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talk to c2gas, he made a new tranny synchro set, straight cut

Re: complicated question - synchro's [Re: sickcelica696] #322508 Nov 10, 6:28am Nov 10, 6:28am
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yeah, you'd be better off with the straight cut set...it would be cheaper to do in the end, and more reliable too

Re: complicated question - synchro's [Re: AZZKIKR] #322509 Nov 10, 2:23pm Nov 10, 2:23pm
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Stainless steel or any type of material synchros besides brass (or is that bronze confused ) can't be used on our cars because of the shaft design. I don't remember the specifics, but there's a post on New[/b]Celica[b].org about it (though the site is down at the moment).

Re: complicated question - synchro's [Re: Blue_Bomber] #322510 Nov 10, 4:50pm Nov 10, 4:50pm
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what are the advantages?


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Re: complicated question - synchro's [Re: AzNRaCeR] #322511 Nov 10, 4:57pm Nov 10, 4:57pm
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Longer synchro life.

Re: complicated question - synchro's [Re: Blue_Bomber] #322512 Nov 10, 5:01pm Nov 10, 5:01pm
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i see...so whats the average stock syncro life


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Re: complicated question - synchro's [Re: AzNRaCeR] #322513 Nov 10, 6:39pm Nov 10, 6:39pm
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Depends on how fast and hard you shift. The faster and harder, the more the synchros wear.

Re: complicated question - synchro's [Re: Blue_Bomber] #322514 Nov 10, 6:55pm Nov 10, 6:55pm
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really?? Synchros im curious? how do you know when they go bad? and need to be replaced?

Re: complicated question - synchro's [Re: RookieGTS] #322515 Nov 10, 6:58pm Nov 10, 6:58pm
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You'll know they're bad when you have trouble shifting into gears, especially in high RPMs.

Re: complicated question - synchro's [Re: RookieGTS] #322516 Nov 10, 6:59pm Nov 10, 6:59pm
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and whats the purpose of them? confused

Re: complicated question - synchro's [Re: RookieGTS] #322517 Nov 10, 7:03pm Nov 10, 7:03pm
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To help synchronize the input and output gears before they engage when shifting. Without them, you'd have to rev match on every single shift you made.

Re: complicated question - synchro's [Re: Blue_Bomber] #322518 Nov 10, 7:04pm Nov 10, 7:04pm
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ooh ok...damn they play a very important role in our cars then. Also where are these synchros located in our cars? and if needed to be changed? Could you do it yourself? Or is it best to have a professional do it?

Re: complicated question - synchro's [Re: RookieGTS] #322519 Nov 10, 7:10pm Nov 10, 7:10pm
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they are in the tranny...


its not really a DIY mod unless you have mechanical experience.

Re: complicated question - synchro's [Re: RookieGTS] #322520 Nov 10, 7:10pm Nov 10, 7:10pm
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They're inside the tranny case, right next to each of the forward gears. They should only be brought to an experienced shop to replace. I've heard of a few shops refusing people who wanted their synchros replaced since it's such a complicated job. The new gears and synchros need to be pressed onto the shafts, and if the pressure isn't applied evenly, teeth can break off, or the gears/synchros can even crack. Not an easy job at all, and probably pretty expensive.

Re: complicated question - synchro's [Re: Blue_Bomber] #322521 Nov 10, 7:13pm Nov 10, 7:13pm
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yeah often times its about the same price to put in a new tranny as it is to change synchro's...

Re: complicated question - synchro's [Re: spaztikid] #322522 Nov 10, 7:46pm Nov 10, 7:46pm
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damn! eek Thx for the info fellas! Appreciate it lotz! wave

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