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September 28th, 2006, 11:07 AM
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Whats up with my transmission...HELP needed!
Okay i have a GN 200r4 and its a great tranny but last night at mission raceway for some reason with my shifter in first the transmission decided everytime it hits 4500 rpm it will shift to second...even if the shifter is left in first but i am allowed to manually shift to third whenever without being forced. What is up here? Last year at ashcroft with the same tranny in i had no problems shifting at whatever rpm without being forced into the next gear. I put in a new B&M shifter but i don't think thats the problem because i can shift through each gear. Does anyone know what is going on? please help because i know i can get a better time than 14.09 and i want my malibu's engine to run a 13 before i tear it out for the new one.
    
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September 28th, 2006, 12:48 PM
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Sounds like..
Shifter isn't going all the way to low. Ck linkage adjustment one more time closely.
Not saying it is, but ck it one more time just to eliminate it. Bruce WE4
__________________
"WE4" Bruce ***Now with Brand New East Coast facility in Burlington, North Carolina*** ***And still on West Coast in Wilton, Ca.*** "The 1 and only Original Performance Transmissions" Northern California Turbo Buicks Really Just a Turbo Buick Boy at Heart #12 Ryan Newman Alltel Dodge Fan Turbobuick.com admin 
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September 28th, 2006, 01:06 PM
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alright i will check that out. Hmm but what if the shifter is perfectly fine?
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September 28th, 2006, 07:14 PM
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Well...
Quote:
First ck that shifter tho.. Bruce We4 www.PTSXTREME.com
__________________
"WE4" Bruce ***Now with Brand New East Coast facility in Burlington, North Carolina*** ***And still on West Coast in Wilton, Ca.*** "The 1 and only Original Performance Transmissions" Northern California Turbo Buicks Really Just a Turbo Buick Boy at Heart #12 Ryan Newman Alltel Dodge Fan Turbobuick.com admin
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September 29th, 2006, 09:37 AM
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will do today and i will keep you posted.
Thanks for your help
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October 2nd, 2006, 10:57 AM
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okay so its not the shifter...i checked the linkage 4 times and everything is perfect. Hmm plan B?
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October 2nd, 2006, 08:17 PM
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the wrong valve body,governor or rev int boost valve will cause the same problem by allowing governer upshift oil to have a greater force at the shift tv valve and sleeve than that generated by valve land diameter and spring tension and force an upshift into 2nd.
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CRISTOFOROS KOKKONIS GM AUTOMATIC TRANSMISSION SPECIALIST www.ckperformance.com STREET,STRIP AND DRAG RACE TRANSMISSIONS,CONVERTERS,DRUMS ,SHAFTS ETC.
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October 3rd, 2006, 09:37 AM
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lol yea thats what i though!! Nah just kidding. Okay well thats just wierd that last year the transmission was perfect and this year its doing what it is. Can it still be the wrong valve body?
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October 3rd, 2006, 05:45 PM
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if your sure the shifters right then there is a valve body issue
__________________
CRISTOFOROS KOKKONIS GM AUTOMATIC TRANSMISSION SPECIALIST www.ckperformance.com STREET,STRIP AND DRAG RACE TRANSMISSIONS,CONVERTERS,DRUMS ,SHAFTS ETC.
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