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Anyone have a source for a true castle nut for the front axle? I've always hated these cover pieces. ------------------ Chris Ludwig 08 ITS RX7 CenDiv

Anyone have the part# for a 2G S5 (89+) waterpump? I'm usually all over the microfiche but this one is stumping me. To beat all I have a brand new one in front of me with the part number on the box but the Mazdacomp online ordering doesn't recognize it. I have another number that is regonzied...

With the ECU rule as it stands the sky is pretty much the limit as far as pulling the stock guts out of the factory ECU and replacing them with the engine management system of your choice. Agreed? At this point then a large variable and cost factor has been introduced in to IT. Not only can...

Did anyone catch the blurb in the latest Fast Track under the FM section about Mazda soon running out of parts to produce 6-port 13B engines? The RENESIS will be allowed for regional competition only starting next year with a weight penalty. What does this say about the availability of parts...

So I'm finally going to take the plunge for a enclosed trailer. Champaign tastes and beer budgets and all. I'm looking for a 28' tag. After quite a bit of experience with plywood and vinyl floors I know that's what I don't want. Looks like the going rate for a full ATP floor is around $1000...

Anyone have the part numbers for the regular and comp clutch plates for the 2nd gen RX-7 differential? I can never seem to remember to call Mazdacomp when they're open. ------------------ Chris Ludwig 08 ITS RX7 CenDiv

Finally got around to putting a durometer to the Avons yesterday. The Avons have only been used for autocrossing with my turbo Miata so far and have two events on them. They read a pretty consistent 48 across the tire. For comparison I had a Hoosier R3S03 with 4 heat cycles off my ITS RX-7...

Have the new Avon DOT tires been approved? Anyone heard good or bad on them? ------------------ Chris Ludwig 08 ITS RX7 CenDiv

Anyone in the Cincy, Columbus or Indy area know any local places that can lap side housings? ------------------ Chris Ludwig 08 ITS RX7 CenDiv

So I'm building a motor or two and am trying to decide on apex seals. Hear alot of the big name builders hawk carbon seals. Now from everything I've read these are really only a benefit at high RPM and actually seal worse than stock at low RPM. Seems like 8500 RPM is the magic number where...

Working on putting a new motor together. I'm wondering what the difference is between front and rear housings. They've always been visually identical to me and know guys interchange them. Just curious what the difference is. ------------------ Chris Ludwig 08 ITS RX7 CenDiv

Had a tranny die on me a couple months back. It was a year old rebuild built by a local shop. It was an S5 or 89-92 trans. Was silky smooth but decided to eat fourth gear. I decided to disassemble it and do my own rebuild figuring it can't be too hard. First thing I noticed was that fourth...

Anyone else have a problem with maintaining proper adjustment on the front wheel bearings on a 2G RX-7? Every weekend I set them and every weekend I come home and they're a bit loose. Not huge loose but even a small bit of play annoys/worrys me. I've tried the method in the factory manual as...

Anyone know a part number for the bearing in the RX-7 tranny tail housing? Looks from the microfiche that you have to order the whole tail housing. Please tell me this isn't true. ------------------ Chris Ludwig 08 ITS RX7 CenDiv

Seems like a year ago I promised someone I'd send some pics of my dual, stock oil coolers. I finally took the pics a month or so ago and just now hosted them. Here they are. The first two are of the "T" fittings used to route the oil. The last one is of the mount. All it is is a piece of...

Don't know why I do this stuff. Just drug another 2nd Gen home last night. Really nice car with a blown water seal. Figure I'll part most of it out, keep the body panels for my IT car and maybe keep the tub to start on a Prod car. Anyone have any input on how the tin-tops really do in Prod...

Here's the problem: Car ran great next to last event last year. Then stored the car covered outdoors for two weeks before going to Gateway for our last event last fall. It rained some while the car was stored. It did not get directly wet but there was alot of moisture in the air and...

So we can all get good deals on parts but does Mazdaspeed sell crate motors directly? Can't find them on their website or catalog and hate to call just for a simple question. Anyone know? How about prices, specifically 13B NAs and 1.6L DOHC? Thanks! Chris ------------------ Chris Ludwig 08...

Need a new diff and am going with a Torsen. Mazda Comp has a 1.5 and 2 way diff listed. I understand the difference but would like to hear some input on who has run what and what you guys would recommend. Thanks! Chris ------------------ Chris Ludwig 08 ITS RX7 CenDiv

1 and 2G RX7... At Mid-Ohio this weekend I had to stop on track during the Saturday race. It's long story! Anyway, I told the workers I didn't need a flat tow I'd drive it in. When I get it and hit the starter it just free-wheels. Get back to the pits and discover the ring gear on the...