TH350 Shifting Problem - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

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post #1 of 2 (permalink) Old Nov 25th, 99, 04:45 PM Thread Starter
Senior Tech
Join Date: Nov 1999
Location: West Richland, Wa. USA
Posts: 175
I recently had my turbo 350 rebuilt in my 1978 Z28. It has an aftermarket shift kit with a 2000 RPM stall. I am experiencing shfting problems as follows: When in drive the trans only shifts once (second to third). When in L2 the trans shifts from first to second (normal) and then when I shift manually into D it shifts to third. The vacuum modulator is an adjustable type (small set screw inside the vacuum port). I have 15" of vacuum at the modulator. Ideas?? I am not much of an automatic trans person (68 has a four speed)!!!
1st & 2nd GENGuy is offline  
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post #2 of 2 (permalink) Old Dec 5th, 99, 12:15 PM
DOUG G's Avatar
Join Date: Mar 1999
Location: Maryland, USA
Posts: 19,522
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first check your vaccum to the modulator,make sure hose isn't colapsed,and is the detent cabel (kick down cabel) hooked up and adjusted properly ?...good luck
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