700r4 torque converter to flex plate question - Hot Rod Forum : Hotrodders Bulletin Board
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Old 10-02-2004, 06:31 PM
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700r4 torque converter to flex plate question

My first thread guys, so go easy on me. I did a several searches regarding my question and seemed to have gotten conflicting info.
Here's what I've got.
I am trying to bolt together a 700r4 tranny (ser.# 3MK207D), to a 350 (325 hp). I have read from several treads that there should be 1/8" to 3/16" space between torque converter and flex plate with comverter pushed all the way into the tranny.
I have just a hair over 5/16". Some people say it's fine to use spacers, others say that's a no - no. What's a fella to do??

p.s. I had the tranny bolted to a 305, it worked fine but I didn't pay any attention to how much space it had.
The rebuilt 350 (Five Star Engine) came with the new flex plate(part # FRA-11 Pioneer Inc). I'm putting it into a 57 Chevy 210.

I'm new to this forum stuff, so I need all the help I can get!!

Thanks in advance,

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Old 10-02-2004, 08:23 PM
stu stu is offline
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You will be ok with that much space.
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Old 10-03-2004, 06:48 PM
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700

I'm sure stu has been posting alot lately,,,,, and not step on his toes but washer here are a safe thing unless you want a broken and some what expensive pump gear
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Old 10-03-2004, 10:22 PM
stu stu is offline
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You can use a washer or shim if you feel more comfortable.
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Old 10-03-2004, 11:55 PM
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Thanks for the replies. I got a message on another site from a guy who ruined 2 pumps before he figured out what was happening. He had a 3/4" gap. Expensive lesson I'd say.

Thanks again all
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Old 10-04-2004, 10:04 AM
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Are you asking about the space between the touque converter mounting flanges and the flexplate? If so, 5/16" is OK because you will be sliding the torque converter foward to mate to the flywheel when the trans is mated up to the engine. Do not put any washers between the torque converter and flywheel.

Vince
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Old 10-05-2004, 12:41 AM
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Quote:
Are you asking about the space between the touque converter mounting flanges and the flexplate?
Yes Vince, that's what I meant. After reading all the great responses, I decided to just pull it together and bolt it up without spacers. I will rest easier now.

Thanks to all.

Bubba
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