Torque Converter Question: TH350 & 250 inline 6
A long, long time ago - I rebuilt a 250 engine for my 1967 Chevy C10.
I got a rebuilt TH350 automatic transmission, and I have no idea where I picked up the torque converter. It may have been an old torque converter from a stock engine. The truck is tempermental, meaning that When I go from Park to Drive, or when I bring the car to a stop while in drive, it wants to cut off. So I have to give it extra gas during those times, or I have to pull out the manual choke to keep it from cutting off. To go from park to reverse or drive, I usually have to gun it. When I slow down to make a turn, I have to put my foot on the gas and the brake at the same time. A friend tells me the torque converter I put in there was meant for a stock engine. This is obviously not my area of expertise! Question: What is a torque converter that should work in a 250 inline six with a hi-torque cam & a TH350? Thanks in advance! Kevin |
Re: Torque Converter Question: TH350 & 250 inline 6
A manual shift tranny, has no converter... at all.
Your idle problem, most likely more of a carb/timing issue... with a stock engine, pretty much any converter will work without stalling the engine. Now if you have a high performance engine... big cam and all, you can stall it with too low a rated converter... but this isn't your problem. |
Re: Torque Converter Question: TH350 & 250 inline 6
There is no such thing as a torque converter for a manual transmission....
A manual transmission uses a clutch and a flywheel An automatic uses a torque converter and flexplate I just re-read your post, I would have to agree with longhornman, it sounds like a carb issue.....I have a 250 in mine, and I am still fighting carb issues, if it is a factory setup, I would say swap it for a 390 2bbl and buy an adaptor from any autoparts store to fit it on your stock 1bbl intake (good for some additional grunt, and a better option IMO than spending time tinkering with the original 1bbl) |
Re: Torque Converter Question: TH350 & 250 inline 6
:lol: Like I said, obviously not my area of expertise!
Longhorn Man, you remind me of something, as I looked at my notes. Not stock after all. It has a low-end hi-torque cam in it. That's all my notes say.. Note to self - take better notes. |
Re: Torque Converter Question: TH350 & 250 inline 6
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Like I said in the PM... even with a low end cam, you are still better off with the stock converter. |
Re: Torque Converter Question: TH350 & 250 inline 6
I was having the same trouble with my 250 after some power upgrades. Turns out I have a huge vacuum leak on the intake causing my issue. It would idle fine but sputter out under a load.
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Re: Torque Converter Question: TH350 & 250 inline 6
deffinitly better with the stock converter, and check for vacum leaks and make sure the idle isnt turned down to much, (had that prob with a friends car), check the timing also, hell check everything you can think of before pulling the tranny
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Re: Torque Converter Question: TH350 & 250 inline 6
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