Re: 68 camaro stock no get up and go
Yes, cruising at 40 mph and going to WOT should force a downshift just as if you manually shifted to first and go to WOT. The results should be the same.
If the trans is not downshifting, then an adjustment should be checked and made, if needed.
Remove the air cleaner.
Have an assistant hold the throttle to the floor.
Observe throttle plates to make sure they are open fully. if not, shorten the linkage rod at the carb attachment.
If throttle is adjusted, make sure it returns to idle/closes.
Hold throttle open.
Bottom linkage rod on carb is for PG kickdown. Can the rod be pulled forward?
If rod can be pulled, needs adjustment. Release throttle, pull off k/down linkage, open throttle to WOT.
Pull k/down rod forward; you will feel resistance on the last 1/2 inch of travel. This is the 'kickdown' portion.
The front oval of the k/down rod should match the front of carb stud, as in slip over it. If not, adjust the length of the k/down rod to match.
Close throttle, attach k/down rod, attach spring, go to WOT, and does throttle return? Make sure it returns.
Reinstall air cleaner.
Test drive. Stop sign to WOT, trans should upshift at about 5000 rpm/60 mph, depending upon rear gear ratio. Cruise at 30-45 mph, WOT, should downshift.
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