6066 (1960-1966) GMC Truck Club

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-   -   Diameter of the 305 flywheel (https://6066gmcclub.com/showthread.php?t=50685)

jbgroby August 13th, 2019 02:00 AM

Diameter of the 305 flywheel
 
Do any club members have the measurement of the 305 flywheel? If so can you post it. I need outside edge to outside edge.

Thanks
Jake

LEWISMATKIN August 13th, 2019 03:20 AM

Re: Diameter of the 305 flywheel
 
JAKE, the o/d of the manual flywheel gear 2369440 (napa 6003026) is 16.00"/191t. I hope this helps.

jbgroby August 13th, 2019 01:08 PM

Re: Diameter of the 305 flywheel
 
1 Attachment(s)
I was just checking to make sure because the flywheel for the new automatic trans. adaptor is 16" as well. I suspected as much because if not, the starter gear would not have made contact. Never hurts to check.

LEWISMATKIN August 14th, 2019 03:19 AM

Re: Diameter of the 305 flywheel
 
Jake, I'd replace that starter ring gear while the parts are still uninstalled. Never hurts to put in a new wear part when the opportunity arises.

bigblockv6 August 14th, 2019 04:05 AM

Re: Diameter of the 305 flywheel
 
Also he ring gear can be taken off and flopped over to the other side.

jbgroby August 16th, 2019 03:39 PM

Re: Diameter of the 305 flywheel
 
Thanks, I'll do the ring gear change.


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