J JimOw New Member May 13, 2024 1 0 1 Vacaville Ca. May 13, 2024 #1 May 13, 2024 #1 Hi. I have a 1964 1/2 mustang with a 260 V8 and C4 auto. I have oscillating vibration at 2700 rpms going down the road. No vibration in neutral. Does anyone know what is causing this?
Hi. I have a 1964 1/2 mustang with a 260 V8 and C4 auto. I have oscillating vibration at 2700 rpms going down the road. No vibration in neutral. Does anyone know what is causing this?
Bullitt347 I have been doing it wrong this whole time 15 Year Member Mar 23, 2007 4,017 3,012 204 Middle of Maine May 13, 2024 #2 May 13, 2024 #2 2,700 rpm's in 1st gear, 2,700 rpm's in 2nd gear, or only 2,700 rpm's in 3rd gear? If only 3rd gear, then it is probably a driveshaft U-Joint. Reactions: General karthief
2,700 rpm's in 1st gear, 2,700 rpm's in 2nd gear, or only 2,700 rpm's in 3rd gear? If only 3rd gear, then it is probably a driveshaft U-Joint.