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Stiegemeier Porting Service Bob did me a favor. He kept the car over the winter and changed the gears inside the supercharger snout, put on a Jaguar pulley, ported, polished, and port-matched everything from the air filters to the heads.

I wouldn't mind, but they're worthless to you without all the mods I've done: Snake Bite, injectors, porting, headers, Super Chiller, alcohol injectors, etc. I'd also have to clear it with my tuner.

I never thought I'd be racing mine when I decided to buy an XLR, but it only took one test drive in the base and one in the V to convince me I wouldn't be happy with the base. I agree with Mickeytee, its more cost/benefit to buy a V. But, a piggy-back ECM isn't necessary. I've got three...

DID SOMEONE SAY CAM PACKAGE???

Looks good!

I tried 285 rears once. Don't remember what the issue was (probably rubbing on fender) and they weren't Sport Cups. The wider rear wheel gives me a bit bigger contact patch and 265 is almost perfect to avoid severe roll under in the turns.

I put the ZR1 all 4corners at first to remedy my understeer problem. The ZR1 suspension gave me oversteer. The ZR1/Z06 combo made the car finally neutral, flat, and balanced.

I put the ZR1 all 4corners at first to remedy my understeer problem. The ZR1 suspension gave me oversteer. The ZR1/Z06 combo made the car finally neutral, flat, and balanced.

ZR1 front springs and sways. Z06 rear springs and sways. The reason for the mix is because our car weighs so much more, this helps keep my car balanced with the power and torque I have available.

The easiest way is use 4 front wheels. I don't like the look of the 10" wheels on the rear. You should be able to stuff 275VR35 in there. My race wheels are all custom - 9" fronts 9.5" rears. I have run up to 285VR30 on them.

Mine do.

Let's compare notes.

I went the easy route with mine. I installed 10K LED bulbs for the DRLs and rerouted my wiring so the side marker lights (under the orange lenses on the sides of the headlamp housing) are my turn signals.

Come on out to the Dyno Day at 360 Customs, Inc in Branden this Saturday, ELWOOD will be there.

They did a great job on my custom design as well! Just send them a hires picture and they can just about put anything on there that you want. This is just after I installed it, but its been 5 years and everything still looks great.

Brought back from the dead, this thread is great!. Thanks everyone for your inputs and telling your stories. Giz

Sunday was the monthly Tampa Bay Vettes Breakfast Cruise. There were 31 Vettes in the group and one XLR since PJ and I joined them for the ride. It ended with a breakfast buffet in Plant City. They're a good group. The cruise was civil. Got to drive some great windy backroads. And it was...

CLAIMED :eek:...(takes a deep breath and counts to 10) The research is readily available: Suspension Data for Possible Upgrade - - Cadillac XLR Forum - Cadillac XLR and Cadillac XLR-V

Elwood Transporter Not quite as colorful, but the same intention.

We're about 2 hours north of you, in Tampa.