Th 350 - Team Camaro Tech
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post #1 of 7 (permalink) Old Feb 5th, 12, 02:10 PM Thread Starter
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corey
 
Join Date: Dec 2009
Location: lethbridge alberta
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Th 350

Hey guys I have a 1982 cutlass with a 350 and a TH350 now my question is when I put on the tourque converter and slide it on the tranny is sits back a 1/4 of a inch so I put a couple thin washers in between the converter and the fly wheel , is this this ok or should I take the washers out and slide the converter up to the fly wheel?
thanks in advance
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post #2 of 7 (permalink) Old Feb 5th, 12, 02:34 PM
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Sean
 
Join Date: Feb 2002
Location: N.W. Washington
Posts: 7,962
Re: Th 350

You want 1/8"-3/16" whith the converter all the way in, I would do just as you did, add a washer or two at the mount. In your case not using a washer may not be a problem but I wouldn't do it.

I used grade 8 washers on one of my converters to get the 1/8"-3/16", also the other thing I did was found washers that are the same thickness, sometimes cheap cut washers vary a lot in thickness, may or may not be an issue but I don't like the idea of it.

Sean

1968 rs with an old school 354" SB2.2 pump gas motor.

Repetition does not transform a lie into a truth.

Franklin D. Roosevelt
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post #3 of 7 (permalink) Old Feb 5th, 12, 04:37 PM
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Tony
 
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Location: Willow Park, Texas
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Re: Th 350

Take them out!!!! The converter should slide back to the flexplate and bolt up tight. the Converter will be too far into the pump and possibly hit the pump stator.

Tony:
67 RS Clone, 388 SBC/Keisler TKO 600/12 bolt, 3.90 gear w/posi and a 250 shot of N2O for fun. See my progress at: password is camaro


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post #4 of 7 (permalink) Old Feb 5th, 12, 05:03 PM Thread Starter
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corey
 
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Re: Th 350

alright I will take them out so just slide the conveter forward to the flex plate?
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post #5 of 7 (permalink) Old Feb 5th, 12, 07:26 PM
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Steve
 
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Location: Cincinnati
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Re: Th 350

Quote:
Originally Posted by steps350 View Post
alright I will take them out so just slide the conveter forward to the flex plate?
That's what I would do (slide it up agains the flex plate), but I am no expert, didn't even sleep and a Holiday Inn Express recently.

69 Pace Car and 69 Hard top
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post #6 of 7 (permalink) Old Feb 6th, 12, 05:08 PM
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Tony
 
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Location: Willow Park, Texas
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Re: Th 350

Yes just slide the converter up tight to the flex plate. Sorry but I have worked in many Transmission shops and have seen what this will do.

Tony:
67 RS Clone, 388 SBC/Keisler TKO 600/12 bolt, 3.90 gear w/posi and a 250 shot of N2O for fun. See my progress at: password is camaro


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post #7 of 7 (permalink) Old Feb 6th, 12, 09:25 PM
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Sean
 
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Location: N.W. Washington
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Re: Th 350

Uh, if you don't believe me call the folks that built your converter, or check out a web site. You want 1/8" to 3/16" clearance from the flexplate to the converter pads before bolting it up. If you have too little clearance (less than 1/8") it will trash you pump, too much (over 3/16", thats less than 1/4" for those keeping score at home ) and the converter may not drive the pump properly, and also ruin your trans.

Regardless of the washers you use or don't, shoot for 1/8" to 3/16" total gap before sliding the converter back and bolting it up. You also don't want to shim the converter out of the crank pilot, so if you need to come out too much there is an issue.

Yours is perfectly normal, I would definitely put thin washers in between to get the maximum 3/16" though.

Here, I found a install instruction sheet on Coan's website Coan install PDF, but if you look at any converter mfg's site 1/8" to 3/16" is the constant you will find.
Guys that say always pull it out to the flexplate have just been lucky, you don't want it jammed up into the pump with no clearance but just as dangerous to your slushbox is too much....

Sean

1968 rs with an old school 354" SB2.2 pump gas motor.

Repetition does not transform a lie into a truth.

Franklin D. Roosevelt
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