rear main seal on a 351m in a 79 Ranchero is it split type or solid

Asked by Jul 31, 2016 at 10:55 AM about the 1979 Ford Ranchero

Question type: Maintenance & Repair

Does my 79 Ford Ranchero Gt with 351m
and fmx transmission have a split type or
solid rear main seal in the motor

4 Answers

49,355

Should be split according to Fel-Pro and Rock Auto.....https://www.rockauto.com/en/moreinfo.php? pk=123908&cc=1136876&jsn=473

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25,195

Split type, and it would likely be neoprene. The other type was the split rope seal, that would have a pin to prevent the seal from spinning. The neoprene did not have that pin. I'm certain that by 79 they were using just the neoprene type seal with knurled cap. A Ranchero forum link for you: http://forum.grantorinosport.org/ranchero-forum_forum33.html

1 of 1 people found this helpful.
49,355

Yup, Ken it is neopreme.

1 of 1 people found this helpful.

Thanks

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