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Thanks; I knew Ecklers had one, but I wanted a little more assurance that it would work. I spent about 3 hours last weekend putting a cheap ("Hecho en China") leather cover from AutoZone on my old BMW, and the functional results are much better than the visual results! Having done that one...

Does anyone know of a good DIY steering wheel cover? Mine is getting pretty tatty looking, but sending it off for re-build is expensive! too expensive for a daily driver. Thanks in advance!

That was probably me; you "should" have dual fans, only because that's what the car needs. I think the dual fans might have been an option in '84 (option B4P?), standard later on. Not having enough airflow over the A/C condensor causes high compressor head pressures, and probably more load...

Re: Have to admit... Tsk, tsk, tsk!:nono

Heavens I hate when that happens!

Where did that attachment go? (I'll try again)

That inexpensive tool would be a steel tape. :) If I could recall the exact frequency of the boom problem, it's a fairly simple calculation to predict the required position of the X-over pipe, based on quarter-wave theory. I'd also have to guess at the gas temperature, which affects the speed...

Graham: Looking back, I can see I got maybe too caught up in the description of the standing wave phenomenon, and didn't really say what it all means. What it does is this: the cabin is so sensitive to small noise inputs, it's so sensitive to being "driven" at the standing wave frequency...

The difference between the coupe and roadster in their response to exhaust resonance has to do with internal dimensions of the cabin. In the coupe, you get an acoustic "standing wave" whose frequency is equal to the engine firing frequency, so exhaust noise "drives" the standing wave; that...

You might also every couple months or so drop your spare tire and make sure it's still inflated. And drop a pencil-type tire gauge into the console. Add a cheap ballpoint pen and a scrap of paper for noting down license plate numbers. And has anyone mentioned a pair of cotton work gloves...

Yep, Astrotops is that company in north Alabama I was referring to. But first try working on it with some 1200 or 1600 grit sandpaper - or maybe even 400 - 800 if you've got serious scratches. Work your way up to polishing compound, then Meguiar's swirl remover, then wax. It's already...

There's an outfit in north Alabama that advertises in the Corvette magazines that makes a refurbished targa top. It has all new acrylic, the correct color, and it's much cheaper than the GM replacement part. It fits fine - I've been using one for about 5 years now on a car that is frequently...

Eh? What'd you SAY? Eh? :) "Deafening" is the best description I can think of. More so at low RPM actually. The 'X'-pipe reduces resonances but wouldn't really silence it any appreciable amount. I did some testing to determine just how low we could the backpressure on a ZR-1, and we ran...

Don't know about the resonator blowing out with age; there's nothing inside it to blow out. No fiberglass or other absorber, I mean. I suppose it could rust out; did you do a lot of short trips?

Yeah, this spring has been great for motorcycle riding in North Texas... That's the the system layout that the 'rear Y-pipe' was originally developed for: we were trying to quiet a ZR-1 for Export, to meet European exterior noise law. An "'H'-pipe" is exactly what it was originally called...

While you're "waiting for dad to get home", you could always drag out the old English book, and brush up a liittle. Some of what you post is nigh incomprehensible.

Yeah, when in doubt, change the wires! I had a similar story on my '89 several years ago; I was convinced it couldn't be the wires, since it ran fine at WOT! For a while... I guess it's just enough tougher to get those lean part-throttle mixtues ignited that the problem shows up first in...

And regarding electric fans for cooling: Again, it's a truck. Electric fans that won't cool a 3400 lb Corvette surely won't cool a 5400 lb truck! Unless "looking" cool has some thermodynamic value! :)

RE: L-98 vs LT-1 He's putting the engine in a truck; look at the difference between the L-98 and LT-1 torque curves, and you can see that the L-98 looks like it was designed as a truck engine! - R

Chevy addict: You keep saying "fan" singular; do you only have the one fan? If so, dash out and buy the optional extra fan, and install it with a switch. Turn it on when you turn the car on in summer. Also do the radiator clean-out; remove the radiator from the car, and you're likely to...