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Check This TTA For Sale... METCO Motorsports in Anderson, SC is selling their 1989 Turbo Trans Am. Mileage is 58K, and the car is super clean and runs extremely well. Check it: http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=2419054476

It is possible that engine wear that has occurred since the last test has reduced the cylinder sealing, allowing some contamination of the combustion mixture. But if you haven't seen significant evidence of a reduction in sealing (oil from the breathers, oil consumption, visible smoke when...

Hey Joe & Cudy... Has this car ever passed this test since the EGR valve was removed? If it has, what's been changed since the last time the car was tested? I know we talked about this, but I was boozed - What chip is in the car during the test? It's possible that a chip manufacturer (maybe...

Just trying to get a handle on this... I know that most chip manufacturers lock the TCC at 45 MPH under most conditions. What is the 'standard' lock up speed at WOT? I thought my car made the 2-3 shift with the converter already locked.

For a car that's mostly street-driven a Bilstein shock is the best choice. They are firm but not harsh and last a long time (Bilstein quotes 98% efficiency after 100K miles). You can buy 'em from Autozone or shox.com for about $55 each. The ratio is 50/50 so they'll work fine in a dual...

I posted this same question a while back and later confirmed the answer I received: The Fram oil filters virtually eliminate all engine rattle upon cold start. The Fram filters may not be as good (at filtering) as some others available, but the elimination of the cold-start rattle' is enough...

Cars equipped with double-pumpers should use 25A fuses in place of the original 15A fuse, otherwise the fuse will pop as soon as the second pump comes on. It's also common for the fuel injector harness wiring to short against the EGR valve - inspect the harness for worn insulation or exposed...

The car ran perfectly last nite, but won't start this morning. The engine cranks and doesn't catch. The fuel pump turns on, and there's pressure on the gauge, so I know I'm getting fuel to the rail. All fuses look fine. What test should I run next?

Vacuum Conversion... How much engine vacuum is necessary to run the vacuum brakes properly? Our motor is a bit cammy and produces 12.5" @ idle. If I remember correctly from my Chevy V8 days, this amount of vacuum level might require a reservoir.

Thanks, Russ. I appreciate your response.

We suspect a problem with our oil pump and are about to remove the pump and replace it. Does anyone have any advice or suggestions? How much disassembly is involved?

In an effort to pinpoint an engine noise, can we use the old hot rodder's trick of removing the spark plug wires (one at a time) until the affected cylinder is found? Will this test damage the distributorless ignition system in our cars?

TTT

A quick way to remove the original bushings from the upper axle ears is to use a drill to blow multiple holes in the rubber part of the bushing. Use progressively larger drill bits until the rubber begins to disintegrate. At this point, the rubber part of the bushing can be removed, usually in...

I'm considering new front control arms from Quickor Engineering. You can buy the control arms from them, completely sandblasted, refinished in black and fitted with polyurethane bushings and new ball joints - ready to install. Just send them your original control arms when you're done with...

Please help with this VIN... This car is not a Buick, but was just purchased by a major contributor to the Buick community. Any information you could provide would be greatly appreciated. Thanks so much! 1965 Plymouth Belvedere VIN R151233436

The engine build-up in these GM HTP articles is the most recent build for Old Gray, the magazine's former project car. Jack built the motor, Ron and Paul installed it and oversaw the break-in, and we've driven it ever since.

My understanding is that the original injector drivers in an un-modded ECM will heat up and burn out when driving low impedence injectors for an extended period. My experience also indicates that even a modded ECM is susceptible to heat problems when running low impedence injectors, but my...

I'm interested in locating one of the factory aluminum raddiator supports for our cars. On what vehicles were they original equipment? Are these things a direct bolt-in?

I spoke to Kevin at Ramchargers this afternoon and I will ship my ECM to him tomorrow. The total cost (including return shipping) is $157.