63 slim jim shift prob?

exmoparluver · 03-23-2008, 10:22 AM

Its in a 63 98 that sat for a while..Goes into gear firm and holds rev and first strong.No shift to second gear..If you wind up first a bit and let off the gas,there is no engine braking unless you run it with the lever actually in first, then it will engine brake.Is it shot or something Im not aware of..This is my first olds restore..I am tranny savey but mostly old mopars and later GM trannies..I will rebuild if needed,but dont wanna..lol..

rocketraider · 03-23-2008, 07:19 PM

A Slim Jim works off much the same principles as a TorqueFlite. It uses a TV rod to determine shift points according to throttle position. TV rod adjustment is critical for them to work right. Even when a SJ is working right, it will still feel weird compared to most other transmissions you're probably used to.

Make sure the fluid is at the proper level. These transmissions are very sensitive to fluid level. Use Dexron in it.

exmoparluver · 03-30-2008, 01:12 PM

Do you know if this has a band adjustment?.Fluid is correct and tv rod is correct,still no shift.The more I run this car,the better everything gets to working.The tranny also makes a buzzing sound when cold and in park.Any idea what that may be?

Oldsfan · 03-31-2008, 07:37 AM

Mine makes that buzzing sound, too. That's how I know it working good!

I changed the valve body and filter, and didn't get the filter seated properly - no buzzing. Also, no drive...

Paul

Olds64 · 03-31-2008, 03:08 PM

If you do a search on our website for Slim Jims you will find alot of information. IMHO they are POS transmissions. My 64 98 has one and it has never run properly. Even after I tore into it with the help of an expreienced transmission expert. I would suggest having it rebuilt by someone like Fatsco or just replace it with a better transmission.

http://www.fatsco.com/

03-23-2008, 10:22 AM	#1 (permalink)
exmoparluver Junior Member Join Date: Mar 2008 Location: Tennessee Posts: 9	63 slim jim shift prob? Its in a 63 98 that sat for a while..Goes into gear firm and holds rev and first strong.No shift to second gear..If you wind up first a bit and let off the gas,there is no engine braking unless you run it with the lever actually in first, then it will engine brake.Is it shot or something Im not aware of..This is my first olds restore..I am tranny savey but mostly old mopars and later GM trannies..I will rebuild if needed,but dont wanna..lol..

03-23-2008, 07:19 PM	#2 (permalink)
rocketraider Oldsdruid Join Date: Dec 2007 Location: Danville Vajenya, the Last Capital of Dixie Posts: 252	A Slim Jim works off much the same principles as a TorqueFlite. It uses a TV rod to determine shift points according to throttle position. TV rod adjustment is critical for them to work right. Even when a SJ is working right, it will still feel weird compared to most other transmissions you're probably used to. Make sure the fluid is at the proper level. These transmissions are very sensitive to fluid level. Use Dexron in it. __________________ I know absolutely nothing about Oldsmobiles. Just ask the owner of Oldspower.com

03-30-2008, 01:12 PM	#3 (permalink)
exmoparluver Junior Member Join Date: Mar 2008 Location: Tennessee Posts: 9	bands Do you know if this has a band adjustment?.Fluid is correct and tv rod is correct,still no shift.The more I run this car,the better everything gets to working.The tranny also makes a buzzing sound when cold and in park.Any idea what that may be?

03-31-2008, 07:37 AM	#4 (permalink)
Oldsfan Senior Member Join Date: Jul 2006 Posts: 481	Mine makes that buzzing sound, too. That's how I know it working good! I changed the valve body and filter, and didn't get the filter seated properly - no buzzing. Also, no drive... Paul __________________ There's "Something Extra" about owning an OLDS! -- Visit the "Something Extra" website at: http://home.comcast.net/~oldsfan/MySite/62oldspage.html

03-31-2008, 03:08 PM	#5 (permalink)
Olds64 Landyacht Club President Join Date: Jul 2007 Location: Lawton, OK Posts: 1,343	If you do a search on our website for Slim Jims you will find alot of information. IMHO they are POS transmissions. My 64 98 has one and it has never run properly. Even after I tore into it with the help of an expreienced transmission expert. I would suggest having it rebuilt by someone like Fatsco or just replace it with a better transmission. http://www.fatsco.com/ __________________ "Some men are Baptists, others Catholics. My father was an OLDSMOBILE man." Ralphie Billingsley A Christmas Story 1983 "We rei-eign, supreme, ooooh god! Burrito supreme, and a chicken supreme, and a CUTLASS SUPREME!" Tenacious D 2007

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