Vibration in 3rd gear @ 3100 rpms

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Vibration in 3rd gear @ 3100 rpms

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Mustang Forums >> Ford Mustang Tech >> 4.6 (Modular) Mustang >> SVT Forums >> Vibration in 3rd gear @ 3100 rpms

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Vibration in 3rd gear @ 3100 rpms - 4/29/2008 10:42:03 AM

NYCobra01

Posts: 21
Joined: 2/27/2004
Status: offline

Hey Guys, I recently had my throw-out bearing and clutch replaced by a Ford SVT certified service tech (my '01 Cobra has 30,000 miles). I notice now that I have a strange vibration only in 3rd gear and only @ around 3100 rpms. Any ideas what this could be so that I might be able to guide the tech in the right directions? Thanks in advance.
-Vin

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Vin

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RE: Vibration in 3rd gear @ 3100 rpms - 4/29/2008 11:48:09 AM

mfj

Posts: 954
Joined: 8/20/2007
Status: offline

not enough info given......

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2001 SVT Cobra
5.1L Stroker, Ported 04 Cobra Heads, Stage 3 Cams, 3.4L Whipple, 28 psi...
http://cardomain.com/id/martinfrenchjr

(in reply to NYCobra01)

Post #: 2

RE: Vibration in 3rd gear @ 3100 rpms - 4/29/2008 8:54:19 PM

Black*Death

Posts: 306
Joined: 6/9/2007
Status: offline

Does the vibration continue past 3100 in 3rd? Is it driveline problem vs loose exhaust? A better description could help narrow it down. Could be unbalanced wheel or crank not balanced. 2 total extremes so...a little info needed

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99 Cobra-(#2662 of 4040) Procharger P1SC at 8 psi Stage 2 Ported heads. TKO 600. Kooks LT, and X pipe. Bassani axle back, Fidanza aluminum flywheel, 7/8 cylinder cooling mod installed bt JBA. Tune coming soon with change to 3.2 " pulley.

(in reply to mfj)

Post #: 3