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grinding into 2nd and 3rd.. please help

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  #1  
Old 04-30-2008, 01:30 PM
didder's Avatar
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Default grinding into 2nd and 3rd.. please help

shifts normal under normal conditions, but when im racing or driving hard it grinds when i slam it into 2nd gear and 3rd, its a quick 1 second loud scary grind lol... need this problem fixed before im boosted with 3 times the hp and 6000 more rpms [&:]

i was told it was teh synchros, if this is true hwo hard will they be to replace with an exposed tranny (pulling it apart for lsd anyway) and how much will they run me?

and if it could be something else let me know that as well..

thx!

-didder
 
  #2  
Old 04-30-2008, 01:46 PM
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Default RE: grinding into 2nd and 3rd.. please help

it deffiently sounds like the synchros but i cant help ya one changing them i tore a tranny apart once and it blew my mind. maybe look at a haynes manual or search the net. when i have problems i have a buddy of mine do it hes a tranny guru.
 
  #3  
Old 04-30-2008, 03:56 PM
didder's Avatar
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Default RE: grinding into 2nd and 3rd.. please help

yea, my buddy is a tranny guru as well, i almost passed out when we opened it up the first time lol...

does anyone know where i can locate a good synchro kit? ive been looking but i cant seem to find what i need
 
  #4  
Old 04-30-2008, 04:53 PM
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Default RE: grinding into 2nd and 3rd.. please help

Also something to think about is that
you stock parts (e.g. clutch, brakes, internals) were not build for racing
they were build for the average everyday driver conditions.
Just hope you keep that in the back of your mind.
 
  #5  
Old 05-01-2008, 03:00 PM
didder's Avatar
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Default RE: grinding into 2nd and 3rd.. please help

car is running a action 2md (500hp capable) but that sholdnt be making gears grind between shifts...


any other ideas?
 
  #6  
Old 05-01-2008, 10:24 PM
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Default RE: grinding into 2nd and 3rd.. please help

I'm encountering the same situation with my third. Grinds long and hard when shifting, except when i pop it in neutral, allow the rpms to fall, and throw in third. Lemme know if you find an inexpensive solution, cause i'm thinkin bout getting my transmission rebuilt.
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Last edited by arust45; 09-10-2011 at 02:45 AM.
  #7  
Old 05-02-2008, 10:53 AM
didder's Avatar
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Default RE: grinding into 2nd and 3rd.. please help

heres our solution. get the kit for the s40 transmission, new bearings / seals / syncro rings, will run you $286 [&:]... better than hearing your gears grind all day when your power shifting
 
  #8  
Old 05-15-2008, 02:00 PM
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Default RE: grinding into 2nd and 3rd.. please help

this may be completely stupid and irrelevent but have you tried changing the fluid? i had the same problem in 3rd gear(im not boosted), but i put 3/4 honda mtf and 1/4 penzoil synchromesh in it and the grinding went away.
 
  #9  
Old 05-15-2008, 09:06 PM
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Default RE: grinding into 2nd and 3rd.. please help

ORIGINAL: macbeth18288

Also something to think about is that
you stock parts (e.g. clutch, brakes, internals) were not build for racing
they were build for the average everyday driver conditions.
Just hope you keep that in the back of your mind.
That engine/tranny is pretty much as non stock as it can go with a few exceptions. Didder...you could always learn how to drive
 
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