48ply1stcar Posted April 11, 2016 Report Posted April 11, 2016 I haven't seen this gasket and maybe it is useful enough to be in the downloads. the gasket is 6 11/16 inches high and 6 7/8 inches wide. Quote
TodFitch Posted April 11, 2016 Report Posted April 11, 2016 Feel free to add it to the downloads. . . Quote
James G Posted October 19, 2017 Report Posted October 19, 2017 I just used this same gasket on my 48 P15. Quote
seabee1950 Posted November 8, 2017 Report Posted November 8, 2017 First I had just rebuilt my 218 and set it in the car hooked up to the trans and got it started, after a while I started seeing oil on the floor, hum thinking the new rear main was leaking, bummer right so I let that go for now but mind you the trans has been out for a few years and I can't get it to shift into low or reverse , so I pulled it out and the gear was stuck with light rust on the slide so I worked to get it freed and then before I reinstalled it I was reading about there needing to be a gasket between the bell and the Trans, so no more leak any longer and all is good in Mopar Land. 1 Quote
Surfmerc Posted March 14, 2018 Report Posted March 14, 2018 Anyone know where to get this gasket? Quote
P15-D24 Posted March 14, 2018 Report Posted March 14, 2018 Think we already have one uploaded. If you could download it and see if it is same as yours. Quote
etzmolch Posted June 18, 2018 Report Posted June 18, 2018 Can anyone tell me the thickness of this gasket? Thanks, Andre Quote
P15-D24 Posted June 18, 2018 Report Posted June 18, 2018 Really thin, not much more than a sheet of paper. Quote
Don Coatney Posted June 18, 2018 Report Posted June 18, 2018 Next trip to the grocery ask for paper not plastic. The paper bag works great to make this gasket. Quote
etzmolch Posted June 18, 2018 Report Posted June 18, 2018 After a engine change I had a noise from my old transmission which wasn't there before. The only difference was to put this seal (approx. .03) in between. Today I added additional shims and the noise gone. So my thinking was maybe this gasket is really thick(.08 or more). There must be a a difference between the bell housing lengths from a '49s to a '50s engine. Both are fluid drives and I used the bell housing came with the '49s. Quote
greg g Posted June 18, 2018 Report Posted June 18, 2018 The one on my car is about 2x time thicker than cereal box card board. The one I got to do my OD swap is like grocery bag thickness. I reused the thicker one. Unless your rear main seal has all but given up, chances are a leak at that point is transmission lube not motor oil. Or it could be both. Check your trans for level as well as your dipstick. Quote
rcl700 Posted May 2 Report Posted May 2 On 6/18/2018 at 2:59 PM, Don Coatney said: Next trip to the grocery ask for paper not plastic. The paper bag works great to make this gasket. Can I really use a brown paper bag for making this gasket? When I removed my transmission there was no gasket. Online wants $50 for a trans gasket set. Have not found this gasket by its self. Quote
JBNeal Posted May 4 Report Posted May 4 On 5/2/2024 at 1:27 PM, rcl700 said: Can I really use a brown paper bag for making this gasket? When I removed my transmission there was no gasket. Online wants $50 for a trans gasket set. Have not found this gasket by its self. If Don said so, then run with it...thicker paper bags that could be used to cover school books were basically made with kraft paper, which is the same material used to make thinner paper gaskets. Quote
rcl700 Posted May 4 Report Posted May 4 I can probably get my hands on some craft paper. Thanks for the followup. Quote
Eneto-55 Posted May 4 Report Posted May 4 (edited) On 6/18/2018 at 2:40 PM, P15-D24 said: Really thin, not much more than a sheet of paper. On 6/18/2018 at 3:14 PM, etzmolch said: After a engine change I had a noise from my old transmission which wasn't there before. The only difference was to put this seal (approx. .03) in between. Today I added additional shims and the noise gone. So my thinking was maybe this gasket is really thick(.08 or more). There must be a a difference between the bell housing lengths from a '49s to a '50s engine. Both are fluid drives and I used the bell housing came with the '49s. On 6/18/2018 at 3:52 PM, greg g said: The one on my car is about 2x time thicker than cereal box card board. The one I got to do my OD swap is like grocery bag thickness. I reused the thicker one. .... I see that the question I was thinking of asking was already answered, years ago. Since it’s so thin, what is its purpose? I installed my transmission more than 40 years ago, and do not recall if I had that gasket. So wondering if I should pull it back out, and make sure, or make one. Was the thickness possibly determined by some sort of run-out measurement? (I know, I should look in the manual...) Edited May 4 by Eneto-55 Quote
JBNeal Posted May 4 Report Posted May 4 5 hours ago, Eneto-55 said: ...Since it’s so thin, what is its purpose? I reckon it has to do with elimination of metal-to-metal contact to minimize vibration in the driveline, which could have an abrasive effect on the mating surfaces...over time, this might result in the bolts holding things together having reduced clamping force...that could be problematic. The other side of the coin is the thin paper gaskets isolate the vibrator in the engine compartment horn so it will actually work properly. I believe more modern powertrains eliminated the paper gaskets as material technology and manufacturing methods have improved over the decades. Quote
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