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1968 Transmission Replace? | Forum

Topic location: Forum home » Support » General Questions
idayrare corded
Hi- I am new to this forum.

I have a 1968 4 door sedan that was our family car forever when I was growing up. I recently inherited it when my father passed. It has a (not original) small block 350 connected to an unknown 2 speed transmission. Both have seen many miles. When i got the car the transmission was hesitating a bit before engaging on acceleration from idle. I checked the transmission fluid level and ruled out low fluid being the cause of the hesitation. I have been driving it once a month for about a year to keep checking it out and, on my last drive, something different happened.

I was going a sustained 55 mph and all of a sudden white smoke started coming out of the main vent on the dash. It did not smell like coolant - more of a burnt smell. When I slowed down to check the engine more white smoke came from under the hood - then it stopped. I drove home and going up steeper hills the transmission was slipping a lot. It engaged enough to get me home and I checked the transmission fluid again - it was empty.

Should I replace the transmission?
If I wanted to replace the engine as well what is a good engine/transmission setup for general use?

I love this car. it is so much fun to drive.
Jeremy Blake
Jeremy Blake Jul 29
I have some experience in renovating vintage cars, and I can say for sure that eBay is your best bet. Besides, try to search eBay registered in other countries, too, like Germany or Italy.
Rajesh Rajpo
Rajesh Rajpo Jul 29
Since the car is old and the transmission is slipping, you might want to think aboutreplacing both the engine and the transmission. A small block 350 engine with a 700r4 transmission could be a good choice. The 700r4 is a 4-speed automatic and has a nice overdrive for better fuel efficiency.
I've seen some great deals on a 700r4 transmission for sale. This setup could give you better performance and make your drives a lot more enjoyable.
The Forum post is edited by Rajesh Rajpo Jul 29