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727 T/F THROTTLE LINKAGE ADJUSTMENT???
#184366
01/05/09 07:13 AM
01/05/09 07:13 AM
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Joined: Nov 2006
Posts: 370
Queensland Australia
moparmacka
OP
enthusiast
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OP
enthusiast
Joined: Nov 2006
Posts: 370
Queensland Australia
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When I last rebuilt my 727 I fitted a TCI Trans Scat shift kit (came with the rebulid kit). I performed all mods as per the so called 'RACE' criteria. I chose this as I still wanted full automatic shifting for cruising etc, and manual when at the track. Of course this requires the throttle linkage to remain connected and I was just after opinions as to the correct method of adjustment remembering the manifold bracket had been modified for my Victor intake. At the last oportunity, I adjusted the linkages as per the factory workshop manual hoping to correct premature upshift i.e. trans shifts (D range) from 1 in to D all before 15 - 20 MPH and no kickdowm is evident at any speed. Once the transmission rod is adjusted with the 3/16 rod in the bellcrank...do I just keep adjusting the carburettor rod until the corect shift pattern is obtained or is there another way to correctly adjust the linkages? Please help with any opinions....may just have fit my full manual reverse pattern if all else fails! Thanks Macka 
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Re: 727 T/F THROTTLE LINKAGE ADJUSTMENT???
[Re: moparmacka]
#184368
01/05/09 10:22 AM
01/05/09 10:22 AM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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I've had someone hold the carb wide open while I was under the car and I held the kick down lever full rearward and then adjust to that point. Readjust if its too much throttle pressure(doesnt want to shift out) 
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Re: 727 T/F THROTTLE LINKAGE ADJUSTMENT???
[Re: MR_P_BODY]
#184369
01/05/09 11:03 AM
01/05/09 11:03 AM
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Joined: Mar 2003
Posts: 15,491
the boonies
aarcuda
I Live Here
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I Live Here
Joined: Mar 2003
Posts: 15,491
the boonies
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Quote:
I've had someone hold the carb wide open while I
was under the car and I held the kick down lever
full rearward and then adjust to that point. Readjust
if its too much throttle pressure(doesnt want to shift out)
thats what i do too except I just take the throttle spring off and put it on backwards to hold it wide open so i can do it myself. then I adjust down from there if it shifts too high
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Re: 727 T/F THROTTLE LINKAGE ADJUSTMENT???
[Re: MR_P_BODY]
#184371
01/05/09 05:07 PM
01/05/09 05:07 PM
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Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
DaytonaTurbo
Too Many Posts
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Too Many Posts
Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
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Quote:
I've had someone hold the carb wide open while I
was under the car and I held the kick down lever
full rearward and then adjust to that point. Readjust
if its too much throttle pressure(doesnt want to shift out)
I had to fine tune mine. With the kickdown all the way back, it would kick down nicely but in D 1st and 2nd gear would not upshift on their own even by the time I hit 5500rpm. So then I adjusted backward until I was happy with it. If it's shifting 1-2-3 by ~25mph under light throttle that is normal.
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Re: 727 T/F THROTTLE LINKAGE ADJUSTMENT???
[Re: moparmacka]
#184373
01/05/09 07:39 PM
01/05/09 07:39 PM
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Joined: Jan 2003
Posts: 25,871
Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,871
Rio Linda, CA
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Like Daytona said, with a shift kit it's possible that the trans won't upshift at WOT with the lever full back; IOW, the trans might need more rpm to upshift than the engine is capable of. Not uncommon.
First, be sure that the carb you are using (if aftermarket) has the correct Mopar throttle lever adapter, if not the linkage ratio will be wrong. Then keep lengthening the top rod until you get kickdown and the light throttle upshifts are to your liking.
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