serious shifter vibration

tvc2389 · October 13th, 2008, 10:50 PM

hey, i have a serious shake going on when i give it WOT. the shifter goes bazerk. i changed the tranny mount cause it was shot and it did help, but its still there, loud and bad, any ideas?

95BlackStang · October 13th, 2008, 10:51 PM

Originally Posted by tvc2389

hey, i have a serious shake going on when i give it WOT. the shifter goes bazerk. i changed the tranny mount cause it was shot and it did help, but its still there, loud and bad, any ideas?

what about the motor mounts? just shooting ideas out their

1FUN4RD · October 13th, 2008, 10:53 PM

motor mounts, tranny mount, tranny crossmember bolts, U joint

tvc2389 · October 13th, 2008, 10:53 PM

brand new, this is a fresh 347 build, new everything accept drive shaft and tanny

1FUN4RD · October 13th, 2008, 10:58 PM

I had a shudder in the drive train that took me like forever to figure out on my 72 F-250 4x4 that I redone.. Everything on it was new from a frame redo. Turned out I had over torqued the right rear whwwl bearing & it had ceased up & was spinning the the bearing seat. I didnt figure out the issue untill the right rear axle slid out about a foot & a half one day as I was driving thru town.

95BlackStang · October 13th, 2008, 10:58 PM

Originally Posted by tvc2389

brand new, this is a fresh 347 build, new everything accept drive shaft and tanny

what kind of mounts did you use?

tvc2389 · October 13th, 2008, 11:00 PM

polyurothane motor, normal rubber tranny, i mean i know its gonna have a lil vibration, but this is serious to where i cant hit it cause i cant shift

BB Service · October 14th, 2008, 12:16 AM

Is the shake RPM or Speed dependent?

Notcho · October 14th, 2008, 05:02 AM

My 89 5.0 had a bad vibration at 65 mph, but it would go away at 75. The whole damn car would shake.. Turns out the driveshaft had a dent in it (car was lowered) and it had been bent long enough to wear the yoke that fits into the tranny out of round.

I had the driveshaft balanced by a shop here in town, and I left the yoke alone. I wanted to replace the yoke and possibly a tranny bushing at the same time... Even so, balancing the driveshaft made a huge difference. It cost me $40 and they even put new u-joints on the driveshaft.

tvc2389 · October 14th, 2008, 07:12 PM

i cant get it over like 3500 to 4000 without it vibrating like crazy and making a serious noise

95BlackStang · October 14th, 2008, 08:51 PM

Originally Posted by tvc2389

i cant get it over like 3500 to 4000 without it vibrating like crazy and making a serious noise

just go down the line and check everything for defections, you will eventually find it

October 13th, 2008, 10:50 PM	#1
tvc2389 Regular 1986 mustang gt Join Date: Dec 2007 Location: connecticut Posts: 78 iTrader: 0 reviews	serious shifter vibration hey, i have a serious shake going on when i give it WOT. the shifter goes bazerk. i changed the tranny mount cause it was shot and it did help, but its still there, loud and bad, any ideas?

October 13th, 2008, 10:53 PM	#3
1FUN4RD MMs Ford Racing Nut Swinger 2007 MUSTANG GT Join Date: Feb 2008 Location: CENTRAL IOWA Posts: 4,367 iTrader: 3 reviews	motor mounts, tranny mount, tranny crossmember bolts, U joint __________________ www.1fun4rd.blogspot.com

October 13th, 2008, 10:58 PM	#5
1FUN4RD MMs Ford Racing Nut Swinger 2007 MUSTANG GT Join Date: Feb 2008 Location: CENTRAL IOWA Posts: 4,367 iTrader: 3 reviews	I had a shudder in the drive train that took me like forever to figure out on my 72 F-250 4x4 that I redone.. Everything on it was new from a frame redo. Turned out I had over torqued the right rear whwwl bearing & it had ceased up & was spinning the the bearing seat. I didnt figure out the issue untill the right rear axle slid out about a foot & a half one day as I was driving thru town. __________________ www.1fun4rd.blogspot.com

October 14th, 2008, 05:02 AM	#9
Notcho meh ======== Join Date: Oct 2006 Location: New Braunfels, Tex / Seguin, Tex Posts: 5,184 iTrader: 0 reviews	My 89 5.0 had a bad vibration at 65 mph, but it would go away at 75. The whole damn car would shake.. Turns out the driveshaft had a dent in it (car was lowered) and it had been bent long enough to wear the yoke that fits into the tranny out of round. I had the driveshaft balanced by a shop here in town, and I left the yoke alone. I wanted to replace the yoke and possibly a tranny bushing at the same time... Even so, balancing the driveshaft made a huge difference. It cost me $40 and they even put new u-joints on the driveshaft. __________________ '87 2.3 Notch with +4 cylinder mod Ass, Cash, or Grass.. nobody rides for free Black Stang Crew Member #11

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October 13th, 2008, 11:00 PM	#7
tvc2389 Regular 1986 mustang gt Join Date: Dec 2007 Location: connecticut Posts: 78 iTrader: 0 reviews	polyurothane motor, normal rubber tranny, i mean i know its gonna have a lil vibration, but this is serious to where i cant hit it cause i cant shift

October 14th, 2008, 12:16 AM	#8
BB Service Regular Join Date: Oct 2008 Posts: 62 iTrader: 0 reviews	Is the shake RPM or Speed dependent?

October 14th, 2008, 07:12 PM	#10
tvc2389 Regular 1986 mustang gt Join Date: Dec 2007 Location: connecticut Posts: 78 iTrader: 0 reviews	i cant get it over like 3500 to 4000 without it vibrating like crazy and making a serious noise

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