North American Turbocoupe Organization

Major Shakes
RDOG Offline
Posting Freak
When I put my foot on the clutch and rev the motor the car really vibrates. Is it the motor mounts? I did a visual and they dont look cracked. Could it also be the throwout bearing?
1986 Turbo Coupe. Boport StageIII head, Boport 2.1, Performance Techniques 50 trim hybird, StageII.63, stinger 3" exhaust, Phenolic spacer, Boglog header,NPR FMIC intercooler setup, kirban fpr, bigrmotorsports fuel rail, diablo water meth kit, CAI, remote mount TFI, CHE rear adj control arms, MAC girdle, 8.8 rear disc, aluminum drive shaft, H&R lowerings springs Tbird Turbo Specific, y MAS!!

Dan E Offline
Posting Freak
Could be a number of things (like everything else on or TC's LOL !).

It's hard to tell without being there...This is with the clutch depressed right ?

Best Case - Motor Mounts ???

Worst Case - Bent Crank ???

Dan Eaves
88TC 5spd, Shortblock with Crower 5.5" Sportsman Rods and Short Wiseco Pistons bored .030" Over, Ported Head with Polished Combustion Chambers, Gutted & Polished Upper, Ported & Polished Lower, Polished T/B, Ported E6, SVO T3 Turbo, 3" DP w/No Cat, RR Cam, Adjustable Cam Sprocket, K&N in Fenderwell, Gillis Boost Valve, Centerforce I Clutch, Removed A/C, Polished Wheels, Polished Valve Cover, Polished Crank and W/P Pullies, and the DAMN Heater Core is new too !
Dan Eaves
88TC 5spd Vermillion Red, Polished...everything...

DennySweet Offline
Sounds like you may have lost a weight off the pressure plate. The more rpm the farther out the balance is. I would pull the inspection cover and look for a place where a weight was welded and broke off. While your at it check the pressure plate bolts. Also could be harmonic balancer!

88TC,87TC,88Mustang,86S-10,82Toyota,2-88S-10Blazers,56 Merc
88TC,87TC,,86S-10,82Toyota 4WD,3-88S-10Blazers.

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