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03-22-2021, 10:03 AM | #1 |
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Join Date: Sep 2010
Location: warner robins ga 31088
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49 53 mercury clutch/f/w ?
I have an 8cm eng. I did not get any clutch components with it. How di measure the pressure plate size? NAPA says it is a 12''. when \I start looking for parts they are all 9.5.
Please help. Thanks, Jim |
03-22-2021, 10:11 AM | #2 |
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Re: 49 53 mercury clutch/f/w ?
The few Mercurys, that i been around, all had 10 inch Borg & Beck clutches in them.
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03-22-2021, 11:05 AM | #3 |
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Re: 49 53 mercury clutch/f/w ?
There has been a lot of changing of parts on these engines over the years, so let's make sure we know what you have. There should be 6 holes around the outside of the flywheel. They will either be evenly spaced (Borg & Back - Mercury) or the sets of two closer together (Long - Ford). Then measure the distance between two opposite holes and report back.
11" doesn't sound right, as that is a truck clutch, and as pointed out earlier, Mercury's had 10" clutches while Ford cars had 9 1/2" clutches. |
03-22-2021, 11:05 AM | #4 |
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Re: 49 53 mercury clutch/f/w ?
34fivewindow is correct. 8CM denotes a 1949 Merc engine. 49-51 cars used a 10 in clutch, not 9 1/2. Tubman's flywheel determination is a must do. Here's some reading:
https://www.google.com/search?q=is+8...Y1NCigQ4dUDCA0 |
03-22-2021, 11:06 AM | #5 |
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Re: 49 53 mercury clutch/f/w ?
8CM Mercury is '49 -'51
Perhaps more important at this point is to determine the size and spline count of the transmission that it is going to be bolted to. Then use that as part of the information needed to determine the application.
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DON'T RECALL DOING SOMETHING FOR MYSELF BASED ON SOMEONE ELSE'S LIKES OR DISLIKES Last edited by 51 MERC-CT; 03-22-2021 at 11:12 AM. |
03-22-2021, 12:08 PM | #6 |
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Re: 49 53 mercury clutch/f/w ?
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the f/w is set up for the long style, 3 sets of 2 bolts. best measurement is 11.2 ,and 12''. It is a 8cm,and it is the f/w off that eng. 51 Merc, I have the 6 mos only 51 Mercury bell housing ,and using a 63 up ford top load 3 speed trans. It does not matter, but it has a Jeep shifter mated to the top. I also need to know what clutch disc to use. Thanks for the info, jim |
03-22-2021, 02:01 PM | #7 |
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Location: Perry OH
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Re: 49 53 mercury clutch/f/w ?
Call Fort Wane clutch and Driveline. In Indiana and tell them exactly what you have and they will put a package together with every thing you will need. They are the best .
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03-22-2021, 02:11 PM | #8 | |
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Re: 49 53 mercury clutch/f/w ?
Quote:
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DON'T RECALL DOING SOMETHING FOR MYSELF BASED ON SOMEONE ELSE'S LIKES OR DISLIKES Last edited by 51 MERC-CT; 03-22-2021 at 02:29 PM. |
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03-22-2021, 02:33 PM | #9 |
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Join Date: Sep 2010
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Re: 49 53 mercury clutch/f/w ?
51, ok. Trans is not at the house now, might be a week before I can give dia and tooth count.
Thanks, jim. |
03-22-2021, 03:29 PM | #10 |
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Re: 49 53 mercury clutch/f/w ?
You might check out this link which has some of the common bolt patterns. Ford 9.5" Long is not shown, but I've read that the measurement is 3" between close bolts and 7.5" between others (vs. 3 1/8" & 7 7/8" for the 10" Long)... Ken
https://www.moderndriveline.com/wp-c...hart-Rev-3.pdf |
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