I got a 74 blazer 4x4 with the turbo 350 tranny. first of all i can start it in any gear. it doesnt even attempt to move. its like its always in park, however, when you shift from park or nuetral to one of the forward gears or reverse, you can clearly hear the engine change note. i cant figure it out. what the heck am i missing???

 

oh i guess i should mention, i bought this blazer, drove it up on the trailor, brought it home and parked it. it sat for about a year. i recently started working on it. got it running and in the process changed the tranny fluid and filter and filled it up to the proper level.

 

is it full time 4x4?because on mine if your 4 wheel drive shifter on the floor is in neutral you cant go nowhere

 

But park would not keep the truck from moving either...

Sounds like a tranny problem. There is a neutral safety switch bypassed somewhere.

 

i would first try out the 4x4 shifter idea. can you push the car once it gets into gear or even in park? check the linkages to the tranny and to the transfer case. then get back to us.

 

Well here's what I did. I changed the fluid and filter and it was still doing it. Out of frustration I reved up the engine then dropped it in gear, and it took off like it never had a problem. Weirdest thing I've ever seen. I've been driving it ever since without any issues at all. Thanks for the replies

 

maybe one of the gears in the transmission is chipped off and it wasnt getting the power then? idk man. just be careful with that thing.

 

More like something in the valve body was sticking. Look for it to happen again

 

Did you check your fluid level with the engine running? Could just be low on fluid.