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2nd gen RX-7. I've got an adjustable brake bias valve, but never removed the stock proportioning valve - now it's time. There are two inputs from the master cylinder, one labeled "F", the other with an arrow. Two outputs, one labeled "F" to the RF caliper and one labeled "R" to the rear. I've...

Anybody coming?

Sorry for the (potentially) dumb questions, but my searching hasn't educated me to my satisfaction. 1) I want to add a small fire extinguisher to my ITS car. What do I look for and where do I buy it? I assume mounting to the cage is preferred. Where do I get the mount, or how do I mount it? Do...

I'm new to the wreck-um derby stuff, and would just as soon avoid it in the future. Unfortunately I triggered one in the ITS race last Sunday. I feel really bad for the cars that I got into. I found one of the other drivers afterward and told him how sorry I was (he was fine with it). Didn't...

I just finished the first weekend on my first transmission rebuild. All seemed good except it was sometimes quite stubborn downshifting into 4th. The prior transmission (not the one rebuilt) also had trouble going both down and up into 4th. I know 4th gear is a little different animal than all...

Putting in new brakes. The FSM says to use a special tool to turn the piston clockwise. Don't have the tool, and neither caliper's piston will budge. It's almost in far enough to clear the pads, but not quite. What am I missing? [Edit: The topic should be "Caliper", not Caliber. Not ready to...

I'm getting pretty weary with all the hubbub about which stock HP to use when classing a car, and what subjective evaluation to apply to that HP to properly class the car. It got me thinking again - could a formula work? I'm an engineer, and if I've learned anything in the last 40 years it's...

I pickup up a '95 E350 diesel van. The passenger compartment is not as quiet as we've grown accustomed to. There are times when my wife would actually like to converse or listen to CDs (aren't women strange?). Anybody have any tips to quiet things down? I'm thinking either a sound-deadening...

The local human interest reporter did a racing segment at the Grattan track recently. I'd like to capture the video from their web site, but don't know how to do it. http://www.wotv.com/barnaby.php?id=595

The local human interest reporter did a segment at Grattan on Labor Day weekend. Anyone else make the video? http://www.wotv.com/barnaby.php?id=595

I don't see data acquisition mentioned in the ITCS, other than the allowance to add gauges and instruments. It is mentioned in the SS and Touring sections. My questions are primarily about fuel injected cars with ECUs and sensors. Is it allowable to monitor any of the signals in the harness...

17.1.4.D.1.a.6. Fuel injected cars may alter or replace the engine management computer, or ECU, provided that all modifications are done within the original OEM ECU housing. Only the stock (unmodified) OEM ECU connection to the wiring harness may be used. The allowance to modify the ECU in no...

'96 Chevy K1500 Open dual-axle trailer - brakes on both axles Draw-Tite Activator II brake controller Works fine in the driveway, and early in a tow. After towing a while, the brake controller overloads when activated while moving, but not while stopped - strange. Is this likely a defective...

Well, I must be an idiot. I'm adding a second oil cooler to my RX-7. Got it all in and it leaked a steady stream from the pressure relief bolt - the "bung" was cracked. So I had one shipped overnight to replace it. It also leaked a steady stream, cracked in the same spot. Either I'm the...

I ran 20 deg BTDC the last two years. I think I've regularly heard people say 20 B is correct. The Mazda web site says 20 B, and that it is the factory specification. My 86 FSM says 5 deg ATDC. What's up? Please help me treat my fresh rebuild kindly Thanks, ------------------ Marty Doane...

Is it better to leave the port sleeves in or remove them (torque-wise)? Anybody test it both ways? Thanks, ------------------ Marty Doane ITS RX-7 #13 CenDiv WMR

Sorry for a tow vehicle question in this forum, but it seemed appropriate. I blew a head gasket in my '96 Chevy 350 K-1500. Got water in the oil, and it turned pretty thick. I tore it all down and replaced both head gaskets. With it all back together, I have no compression - valves are open...

S5 intake manifold. Upper (secondary) fuel rail has an integral fuel pressure regulator. In order to use an aftermarket fuel pressure regulator, I need to remove this one. It's not clear to me that it's feasible to (easily) modify this rail to remove the FPR. Plan B is to make a new rail from...

I'm about ready for a fresh rear gear and had been planning on using a Torsen (got a used Miata unit sitting in the garage), but lately I've been hearing reports that they're not durable. Anybody have any real info on how long these things last? A source I believe to be reliable says don't...

Kevin, please email me. I've got a question for you. mdoane at i2k dot com Thanks, ------------------ Marty Doane ITS RX-7 #13 CenDiv WMR