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I measured my front and rear bars and got: Front 1.24" Rear .820" 1.24 is close to 1-1/4" but less than the stock size quoted by people as 1-7/16 for the front. .820 is close to 13/16" but smaller than the quoted 7/8" rear. If I account for any corrosion, then they would technically...

Column ratting (formerly Make It Stop) So what is the noise in the dash that sounds like plate rattling on a tile counter? I have looked and looked and can't figure it out. It's there only when you move ( I think because it's the only time if gets moved). Any time you are moving it...

Does anyone know what the upper RPM limit is for the standard static two speed emissions test for California? I'm not in a dyno area. Idle and 2500 RPM. The engine is fully stock with a new cat, O2 and working EGR so I don't expect any problems but I did make a chip that: 1. Raised the PE...

Why oh why is the differential connected to the body at the top and frame at the bottom so the body is jerked around everytime it shifts? Is there some unknown cosmic reason for this?

Ok, so I got some PPG base coat in Code 15 Medium Silver Metallic. It's darker than the Omni MBC Code 15 (go figure) and looked like it matched mine. I shot the header and filler panels and it's still way too light. The tag in the engine bay says 15L and 15U. This car is darker than the Code...

Has anyone run into a problem matching the 86 Medium Gray Metallic Code 15 paint for the 86 TT? I've been to three paint stores (PPG/Omni/Sherman Williams) and there mix is too light. It looks more like Testor's Chrome paint that the darker TT paint. In fact it matches the lighter/lower...

Does anyone know if the 86 TT lower body silver decals are still available? I called my dealer and he hasn't gotten back to me. Is there another supplier?

I've been looking for an 84-87 header panel for my 86 TT Regal. I have a line on several at varying prices. Two are new repros and the others are GM originals. Does anyone have any experience with the repro's quality and fit? The prices for repro's and GM's are all over the map. I can get a...

Does any place sell new seat foam for the bucket seats? I took mine apart and found my leaning problem was due to the wires in the internal frame (in the foam) breaking. I was able to fix it but I think new upper and lower foam is in order. Maybe some of the other cars used the same foam in...

I just finished putting the stock manifolds, crossover and down pipe on the TT. I had ATR's but I was tired of the problems sealing the crossover, lack of access to the rear upper control arm camber/caster bolt for alignment (I know, it's only needed rarely) and not being able to run the shield...

I have the factory manuals but could find the specs for the crossover to manifold bolt torque. Does anyone know the spec? If I can't find it I was going to use the standard Buick crossover spec. Also, would it hurt to bead blast the contact surfaces on the manifold and crossover? The...

It's removing my ATR headers and installing the stock system. Can someone tell me left and right what length bolts are needed and if they are studs or bolts? I'm looking at my ATR system so I think I have the stud part down, but I want to compare. The lengths are the question. Thanks! Terry

How many people get dirty looks from their alignment guy when they have to change the alignment shims on the passenger side? Can it even be done? Terry

Access to Upper Shim Nuts for Alignment I'm getting ready to remove my ATR headers and pipes and switch back to the stock system. Does the stock downpipe give better access to the PS rear upper control arm bolt for doing an alignment? That's next. WIth the ATR headers you can't get to it...

Does anyone know where I can get the V-band clamps (2-1/4") that ATR uses on their headers? I have one with a stripped bolt. I know they aren't custom. Seems I've seen them on Chryslers or something. Any ideas? TK

The car feels like it's half it's size. Completely different beast. Worth every dime (and knuckle/cut). The ride is firm but not harsh at all. I ball-parked the alignment (toe is dead on) and I'll give it a few weeks to settle the spring and then take it in for a real alignment (although I...

I'm in the middle of rebuilding the front end of my 86TT and have a few questions: 1. When I got the car, the PS upper bushings were toast so I remove the upper control arms and had new bushings pressed in. That was about a year ago. Today, when I remove the arms to clean them up and replace...

My original 86 TT buckets are in nearly perfect condition but when you sit in the drivers seat it feels like the drivers right-side seat back is a couple of inches farther back than the left side. As a result you feel like you are going to fall into the console. Is it the seat back that is...

I saw read some speedo gear threads and went to the TCI site. If the stock 3.42 FD with stock tires (26") is 11/30 gear combination, why does the TCI site come up with a 29.152T gear? 29T would be closer to correct not 30T. Why is stock a 30T rather than the 29T which is closer to...

I've replaced lots of control arm bushings in the FWD cars and Fiero's but I'm getting ready to install new rubber ifront lower control arm bushings in my 86 TT (along with Eibachs and ball joints). The upper fronts are already done. In looking at the service manual, it's about the shortest...