Question on oil
justinkase
Jeeper
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- Location
- Laramie, Wy
- Vehicle(s)
- 1985 cj7, 4.2L I6 w/.06 overbore, T-5, dana 300, amc 20, dana 30, 4.10 gears
I changed the oil in my new to me 85' CJ7 for the first time the other day and the guy at the parts store told me that since the last owner used synthetic that I should to, or it could cause leaks to go back to conventional. Is this true or did I get took for a ride.
Also, I took it out today to go play and on the way home I noticed that I have a vibration that starts at about 30 in 3rd gear, but goes away in 4th. Could this be a u-joint going bad?
Have not learned these things yet and some help would be great.
Thanks.
Also, I took it out today to go play and on the way home I noticed that I have a vibration that starts at about 30 in 3rd gear, but goes away in 4th. Could this be a u-joint going bad?
Have not learned these things yet and some help would be great.
Thanks.