truck dies when put into gear

76 dodge power with a 440 and 727 automatic trans.dies when i put it into gear but idles and revs fine if its in park or neutral.

 

I think the problem might be that it is about 12 years too new.

For this site.

 

Low idle speed or timing being off would be my thoughts. And you did say that the engine was going in your hotrod one of these days didn't you??
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Possibly a bad torque converter as well.

 

Vacuum leak.

 

I have to agree with MarkzRodz. Its sucking vacuum somewhere. Either a bad center head gasket, or a hole in the power brake vacuum diaphragm are two places to start looking.

 

no the truck belongs to my father

 

Could be a vacuum leak, or it could be timing off really far. Balancer spun on my 383. When I set TDC by the balancer and started it, it started and idled fine. But as soon as I put it in gear, it would die. Turns out it was 20 degrees retarded. Set TDC by feeling #1 with a screwdriver, remarked the balancer, reset timing and have driven it with no issues since

 

Not enough base timing, or you have your vacuum can plugged into the wrong port on the carb.

 

plug a vacuum gauge up and time it with that. you will also see if it has a leak or not. advance it to be the highest vacuum level then drop it 1 inch of Hg and should be good.

 

It's good that you are trying to fix the problem before removing it from the donor vehicle; otherwise this would be entirely off-topic.

 

I've got it!!!


Don't put it in gear and it won't die!!

 

Is it the holiday spirit already, or is the HAMB getting soft?

 

fixed it. was a bad fuel filter

 

Good job, now never mention it ever again...