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#36057 09/11/2003 9:32 PM | Joined: Sep 2003 Posts: 10 New Guy | | New Guy Joined: Sep 2003 Posts: 10 | This has turned out to be the most useful site!! I have already had offers of parts in response to my 'Wanted' post. Now I need some info, please: I have a '62 Chevy 261 and a '50s 270 en route. 1) I have a '50s bellhousing to mate to the 261 to fit my 1949 Panel...will the 261 flywheel be compatible with a 1949 clutch plate and disc? 2)The 270 came from a military truck that had a hydramatic 4wd setup, so I don't think it will arrive with a flywheel or bellhousing. What possible sources do I have for a flywheel to fit my GMC 270? Will a Chevy 216 bellhousing fit the GMC 270? Thanks for any help!  A note to all: I live near Santa Fe, NM. I can offer flatbed service within about 200 miles, especially if I can swap parts with someone in a position to offer similar services. | | |
#36058 09/11/2003 10:40 PM | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | The '49 clutch likely won't mate with the 261's flywheel, but the bellhousing does. The clutch for the 261 is fairly inexpensive, it's standard GM. You can put the '49 flywheel on the 261 but if you have the standard 9" clutch it is too small to handle the 261's torque.
My 261 came with an 11" clutch setup so I had the 261 flywheel machined to fit the 216 ring gear so I could use my original starter. It cost me $50. I used my '50 216 bellhousing, too.
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#36059 09/12/2003 3:06 PM | Joined: May 2001 Posts: 1,904 'Bolter | | 'Bolter Joined: May 2001 Posts: 1,904 | 4ontheFloor,
What about the pressure plate?
1948 3/4-Ton 5-Window Flatbed Chevrolet 34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.
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#36060 09/12/2003 7:01 PM | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | The pressure plate that I used was the one that came with my 261, an 11" unit. The old 216 pressure plate would not have bolted to the 261 flyweel, and vice versa. The pressure plate on my 261 is so big that the edge of the plate matches up with the edge of the flywheel. It was a job to get it all to fit in the bellhousing, I had to do some creative manipulating because the whole assembly was so tall (and heavy). If your 216 came with the 10-1/2" optional clutch it it probably big enough for the 261 and you can use the 216 flywheel, the bolt circle, balance, and diameter is the same.
Paint & Body Shop moderator
A lone amateur built the Ark. A large group of professionals built the Titanic. | | |
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