86Z

i have this wicked vibration that starts when i'm on the highway at about 70 mph. first i need to give you some back ground info removed t5, rebuilt, installed poly torque arm and transmission mount along with a stock replacement clutch, this is when i noticed the vibration, when it happens if i press the clutch it's still there, so it's driveline vibration, i wanted a centerforce clutch, i installed that, re assembled with everything the same, vibration is there but hardly noticeable i was happy!, well i blew that tranny, all i did was install a rebuilt wc t5 did not touch clutch or bellhousing, and bam same vibration is back, does the tranny moving left to right on the crossmember mount affect that? or just pinion angle? i installed 4 brand new rims and tires and it's still the same, i'm kinda stumped on this one.

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1986 Camaro 305 TPI Conversion, Accel Base / Runners / AFPR, Holley 52mm TB, FMS 42# Injectors, 7749 with $59 3-bar map, WP 305 S/R Torquer Heads, Crane Powermax 2032 Roller cam, CompCams 1.6 Magnum Roller Rockers, Hedman Coated Headers, Edelbrock Cat-Back, Tremec TKO-600 with CF DF Clutch, Lakewood Scattershield, Moser 12 Bolt 3.73 Posi rear, Spohn LCA's & Relocation brackets, Lakewood adj panhard. 36/24 Swaybars, Spohn Subframe Connectors, Spohn TKO Crossmember with DS Loop, Spohn Steel Driveshaft, Hotchkis Strut Brace, Eibach Pro-Kit, Tokico Illumina Struts and Shocks, Procharger D1SC 12#'s, LS1 Brakes Front, Wilwood Pro Series Rear. 381HP/400FT/LB's on 10#'s of boost

04 Mazda6 S, v6, MTX
94 Jeep Grand Cherokee LTD 5.2

Kevin Vandevenne

have you checked the driveshaft? I had a similar problem with my car. I put a new set of u-joints in and had my drive shaft balanced, and its as smooth as silk now.

86Z

this is the 2nd driveshaft, it was the same one when the vibration disappeared when i changed the clutch a 2nd time, now it's back, it's gotta be some kind of alignment issue

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1986 Camaro 305 TPI Conversion, Accel Base / Runners / AFPR, Holley 52mm TB, FMS 42# Injectors, 7749 with $59 3-bar map, WP 305 S/R Torquer Heads, Crane Powermax 2032 Roller cam, CompCams 1.6 Magnum Roller Rockers, Hedman Coated Headers, Edelbrock Cat-Back, Tremec TKO-600 with CF DF Clutch, Lakewood Scattershield, Moser 12 Bolt 3.73 Posi rear, Spohn LCA's & Relocation brackets, Lakewood adj panhard. 36/24 Swaybars, Spohn Subframe Connectors, Spohn TKO Crossmember with DS Loop, Spohn Steel Driveshaft, Hotchkis Strut Brace, Eibach Pro-Kit, Tokico Illumina Struts and Shocks, Procharger D1SC 12#'s, LS1 Brakes Front, Wilwood Pro Series Rear. 381HP/400FT/LB's on 10#'s of boost

04 Mazda6 S, v6, MTX
94 Jeep Grand Cherokee LTD 5.2

C Murda

have you checked your pinion angle?

86Z

no, not sure how i go about doing that

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1986 Camaro 305 TPI Conversion, Accel Base / Runners / AFPR, Holley 52mm TB, FMS 42# Injectors, 7749 with $59 3-bar map, WP 305 S/R Torquer Heads, Crane Powermax 2032 Roller cam, CompCams 1.6 Magnum Roller Rockers, Hedman Coated Headers, Edelbrock Cat-Back, Tremec TKO-600 with CF DF Clutch, Lakewood Scattershield, Moser 12 Bolt 3.73 Posi rear, Spohn LCA's & Relocation brackets, Lakewood adj panhard. 36/24 Swaybars, Spohn Subframe Connectors, Spohn TKO Crossmember with DS Loop, Spohn Steel Driveshaft, Hotchkis Strut Brace, Eibach Pro-Kit, Tokico Illumina Struts and Shocks, Procharger D1SC 12#'s, LS1 Brakes Front, Wilwood Pro Series Rear. 381HP/400FT/LB's on 10#'s of boost

04 Mazda6 S, v6, MTX
94 Jeep Grand Cherokee LTD 5.2