Technical > Matt Shaff's Engine Shop

Torque converter question, maybe the wrong room?

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janjon:
Anyway, putting the FED back together, paying more attention during reassembly, evidently, I notice that the converter will slide something like 3/8" behind where it will pull up to the flexplate to bolt it up, and can see from wear marks that the converter nose has been run not very far engaged into the transmission pump inner gear. It looks to me like some spacers between the converter drive pads and the flexplate surface might be in order to sufficiently engage the inner gear of the trans pump with the slots in the converter nose. There is 1/4" thick motor plate between the block and trans, I'm thinking that 1/4" or so of spacer should put the converter just about where it should be. Any thoughts???
SBC, shorty glide, if that makes any difference...

GlennLever:
I went through this very same situation.

I received strong advice that you want to fully engage the pump and not to do so is bad news.

Spacers were made up



And inserted between the flex plate and the converter.



I have had no problems.

ricardo1967:
Just be careful because some race converters already have that thickness added to the converter mounts.

George:
Yes.

janjon:
In which case there would be little or no room for spacers, is that correct? To be clear, the engine and trans are already mated, tightened, and in the chassis. The converter is not bolted to the flexplate yet. Should there be room for ANY rearward play once spacers are installed? To keep from forcing the inner pump gear back against its rear containment wall, for instance? And if so, how much?
 Thanks to all of you for the advice and assistance.

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