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A turbo transmission is does not involve turbo in the conventional sense at all. A turbo takes exhaust gases straight off the cylinder head via a special exhaust manifold, and uses that air velocity to force air into the intake. This has a cost of having the incoming air to the engine hotter than what is ideal, but there is a trade off with any system. A turbo transmission, such as GM's turbo hydramatic, is merely a name GM assigned to the transmission. GM's Turbo Hydramatic 700R4 transmission was their first with an overdrive gear. This overdrive gear was a higher gear ration than previous transmission's 3rd gear and gave much better gas mileage on the street. So, a turbo transmission does not actually use turbo, it is just a name for a transmission with another gear for highway use. Turbo in this sense is just a name.
If your turbo 350 won't shift out of first gear, it could indicate a frozen transmission gear. You should first check to ensure the fluid levels are in the right place.
There are 3 foreward gears and 1 reverse gear.
The gear ratio in the 1979 Ford Mustang turbo four is 3.45:1
1960 camaro sitting for 10 year in garage damage engine fix
The tranny slipping
A Turbo 350 transmission will not go into park if the shift lever is out of alignment. There is an adjustment point on the side of the transmission where each gear position can be set for optimal shifting.
That would be the second gear of your automatic transmission.
I'd check the throttle cable or the kickdown cable. That squeal you heard in the engine compartment might have been a cable breaking.
Bad throw-out bearing?
80w90 gear oil works fine. so need for synthetic in your case.
The transmission from a 4g63 will work on a4g63t whether it is standard or automatic however the standard transmission from the non-turbo engine will have a different final gear ratio than the turbo model. The automatic transmission from any model is essentially the same save the AWD model which has a secondary output shaft for the transfer case.