preith

I was just looking over the mylaps results... Greg would've had his hands full if the two lead cars didn't retire. The late Mr. Thrash qualified 3.5 seconds faster, John Brakke almost the same. John must've had a mechanical problem or something, retired on lap 6. With that said, still a great job, gotta be there at the end! On a side note, it's too bad Ken Kannard is no longer running his Z in EP. He was VERY quick at the Sprints in the years past, want to say he's won his class as well. He's been running a Spec Miata with our club lately.

Congrats Greg! A bit ironic, I vividly remember watching Mr. Upchurch lead flag to flag in the same car at the '00 Sprints. It's a shame about Tom, his death really shook the production ranks in particular, most of the guys are in disbelief. He did go out doing what he loved.

Thanks. Yeah the newer p/n sounds intriguing but from what I understand Nissan went to opposite threads on all of the later B boxes anyway, which would lead me to believe it's a dead end. I was considering reusing the old one and spot welding it too. On one of my "professionally" rebuilt transmissions it appears he reused the original and double staked it of sorts, it held up very well. Double nutting is a good idea too, maybe go that route with a spot weld on the nuts rather than molesting the mainshaft.

Just received an email from Courtesy... the part is NLA. Perhaps I'm not crazy after all.

On the contrary. You'll find some very serious rides at a Council solo1 event, in many ways more so than the w2w guys. For example, Cameron (Heavy85 @ Hybridz) competes with an LS1 powered Z in them.

Thanks Arne!! Yup, Courtesy shows it available and a quick google search confirms it's for a F4W71B. I ordered a few as well. Jon, I want to say I read it about a year ago or slightly less.

Sorry if this has been covered already but I didn't have much luck with a search. I seem to remember posts elsewhere which stated the mainshaft nuts were NLA from Nissan. Is this true, and if so, is there another source for them? If not, can anyone provide a Nissasn p/n? My particular app will be for a F4W71B, I believe it threads the opposite of the later model trans, but in which direction is unknown.

The pics were taken at Blackhawk. I'd venture to guess the cars run in either Midwest Council's solo1 (high speed autocross) or some type of open track, possibly NASA. They wouldn't be running any vintage events with forced induction. They do look good! What group does your friend race with? What kind of car?

Any older pics I post are found elsewhere on the web. There are some of Logan & Frank in the "vintage pics" thread, but I don't know what year: http://www.classiczcars.com/forums/showthread.php?t=33512

Agreed, but IMO it's ultimately about being in the right place at the right time in regards to rules and allowed preparation, or modifications. I feel one poster on the prod board hit the nail on the head "the SCCA classified the car figuring it would never be developed to it's full potential", or perhaps didn't realize it at the time. Thanks for sharing, wild that you were there, I wish I was. I've heard similar stories from some of the Blackhawk Farms old-timers as well.

Here are a few more photos Jim Fitzgerald is helping Fred Baker Jaguar E-type down the esses on the first lap. Jim was later disqualified for helping Fred.

This was posted on the prodracing forum. Even though it's about a Jaguar, it is Z-car related and perhaps you guys might find it interesting. Nissan of course dominated the SCCA CP championships through the 70's but 1980 was the first that got away from them. The article is a bit biased, but assuming the info is true, I found the "DH" claim to be appalling. Here's the original URL: http://www.jtc-nj.com/jagcorner/GTJNo19.html

Good question. I looked at the GCR, the 240 is listed as prep level 2 and this may fall under the final drive section, it states: o.5 - Axle shafts, bearings, bearing carriers, hubs and universal joints/CV joints are unrestricted. With that said, knowing the SCCA, it wouldn't surprise me if they were declared illegal...

I'd suggest a pair of billet 4340 axles from Ross @ Modern Motorsports, done up in 280Z dimensions, first class part!

The Quaife crossed my mind too but I'm with you, they're pretty much bullet proof. You could remove it and send to Quaife for inspection, but I'd think it would go open, not locked, if worn and of course not cause a push. I toasted a diff pretty good with the Quaife installed and it came out of the carnage completely intact. I'd think any loose ball joints or tie rods would jump out at you. A fellow club member has Wayne's old ITS Z (mountain motorsports) and I do recall him saying Wayne mentioned the rear uprights (the 1/8" plates) had a tendency to crack. The swaybar mount captured nuts pulling out of the frame rails is a common problem too. Aside from that, I'm at a loss. Good luck and please keep us posted.

Very weird! My immediate thought is the corner weights are off. Have you scaled it? I have heard of coil over spring perches loosening (and moving) on a few occasions, but I'm sure you would have found that. I find it very hard to beleive a suspension spring yielded but just throwing it out there... Maybe it's something as simple as a defective tire, perhaps try another set of skins? I assume you haven't made any changes to the car since the last race, and no off course excursions either? Speaking from experience, I did make changes which affected weight bias and mistakenly did not scale the car as well... sure enough it went loose on left turns. On a side note, you're running a Quaife without cooler? That baby must get toasty! Maybe it's a bad thing, ignorance is bliss, but I finally installed a temp gauge on mine (R200 w/Quaife) last season. I was in the last race session of the day (plenty cooled) and it still hit 290 with Amsoil severe gear racing lube too. A diff cooler went on after that, but I hear it's not legal in ITS.

That's true too, but I was under the assumption the input shaft would be installed with it's "mate" on the countershaft, this gear is removable. That being the case, it would install just fine but again, bad ratios.

Even if you had an input shaft from a later "b" 4 speed I would suggest against it. It would work from a fitment standpoint, but the gear counts on the 80-83 trans are different for the 1-2-3 gears. In other words the end result would be weird, unfavorable, ratios. I spent a great deal of time counting gears, hoping for something good, but unfortunately that's not the case. It would work wonderfully on the earlier 77-79 trans though as they use the same gearsets for 1-4. Also, a fun tidbit of info. The input shaft is also 4th, but 4th really isn't a gear as when engaged, the input & output shafts are locked together forming a solid shaft straight through (1:1 ratio) and all the other gears are simply "freewheeling", along for the ride.

Check your organization's GCR. Most sanctioning bodies have a minimum size requirement on the numbers themselves and many don't allow magnetic.

Congrats on the purchase, best of luck. What transmission is in the car?

I'm with you, after the last retaliatory post in regards to mine, just biting my lip, I'm done!

The SVRA & HSR definitely do not enforce any kind of period paint schemes, that's entirely at the owner's discretion. Most vintage groups are concerned with the preparation level and period correctness on a mechanical level and frown on newer technology, remote reservoir shocks, etc. As for the stickers, it's rare to hear a sanctioning body orders the "other" group removed, or taped over, but it does happen. Also, period correctness can be a bit vague as most race cars were in a constant state of flux through their lives and just about anything could be be considered "correct" depending on the year referenced. In this case the car is more representative of it's life at a later date, probably sometime in the 80's. Your earlier statement of the car requiring a previous race history is incorrect as well. Depending on the sanctioning body and group within it's not always a prerequisite. I hope this doesn't come across as an attack in any way, just "keepin' it real".

I rememberd seeing it pictured on Dave's (arizonazcar) website, revisted it: The owner is listed as Larry Mahanor as well. I believe he's been running that car for a number of years now and I don't think he's a member here.