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  Topic: Low profile floor jack
924RACR

Replies: 9
Views: 270

PostForum: General Discussions   Posted: Sat Aug 01, 2020 9:05 pm   Subject: Low profile floor jack
Correct, Quickjacks is the brand name; it's like having a low-rise lift in your garage, but can also be put out of the way.
https://www.quickjack.com/?gclid=Cj0KCQjwpZT5BRCdARIsAGEX0zn8lry40Ia-dKfyo ...
  Topic: Low profile floor jack
924RACR

Replies: 9
Views: 270

PostForum: General Discussions   Posted: Fri Jul 31, 2020 8:58 pm   Subject: Low profile floor jack
Doesn't really help, because I don't think you can get them any more, but I use a Craftsman aluminum racing jack for my cars. The HF aluminum jacks aren't the worst, worth the cost for weight reductio ...
  Topic: engine rebuild
924RACR

Replies: 4
Views: 208

PostForum: Performance Upgrades   Posted: Tue Jul 28, 2020 12:35 am   Subject: engine rebuild
So first of all, no worries about milling the head affecting your compression. That doesn't happen on these motors; none of the combustion chamber is in the head, so it won't get smaller.

Decking t ...
  Topic: I thought I'd never stop sweating...
924RACR

Replies: 2
Views: 171

PostForum: 924 Racing Today   Posted: Mon Jul 27, 2020 9:59 pm   Subject: Temps from the data
Neglected to add the temps; in the worst of the heat, the coolant was running about 195 (190 in the other shorter/cooler sessions) as measured in the tube from the t-stat to the radiator, and oil was ...
  Topic: I thought I'd never stop sweating...
924RACR

Replies: 2
Views: 171

PostForum: 924 Racing Today   Posted: Mon Jul 27, 2020 9:57 pm   Subject: I thought I'd never stop sweating...
...and I wasn't even driving!

Just finished a hellishly hot race weekend at Gingerman - SCCA Festival of Speed. My wife and codriver (and team chef) was doing the duties, wheeling the #77 ITB 924 ( ...
  Topic: S2 931 EFI Conversion DIY
924RACR

Replies: 59
Views: 7123

PostForum: Performance Upgrades   Posted: Mon Jul 27, 2020 8:51 pm   Subject: Going for ignition upgrade
Well, it was nice to prove out that the stock ignition could be re-used, but I've had enough of somewhat cobbled-together old parts, and I'm going to take the next step and upgrade the coil side.

...
  Topic: Grounding Points / Intake Manifold
924RACR

Replies: 6
Views: 337

PostForum: 931 Tech.   Posted: Mon Jul 27, 2020 8:45 pm   Subject: Grounding Points / Intake Manifold
From the coil mount, yes, to the rearmost intake bolt.

The charge tube should ground by that bracket directly to the main body of the intake. At least on the cars I've seen.
  Topic: running smaller tires for autocross?
924RACR

Replies: 7
Views: 323

PostForum: Performance Upgrades   Posted: Fri Jul 24, 2020 7:37 am   Subject: running smaller tires for autocross?
We actually run 205/50/15's for road racing, works great - 'cause they're Spec Miata takeoffs. Keeps the costs down.

Have family in Vic... (but haven't been there in years)
  Topic: Beginner Tire Recommendations
924RACR

Replies: 11
Views: 5410

PostForum: 924 Racing Today   Posted: Thu Jul 23, 2020 2:27 am   Subject: Beginner Tire Recommendations
Oh wow, that's weird, didn't notice that. I see that those are also switched up so you can run 225s with 6.0" rims, or 205s with 7.0" rims... goofy...
  Topic: Drove on track for the first time ever today!
924RACR

Replies: 22
Views: 703

PostForum: 924 Racing Today   Posted: Wed Jul 22, 2020 10:42 pm   Subject: Drove on track for the first time ever today!
+1 for negative camber; our racecar on Hoosiers likes about 3 degrees.

Ed: you can actually camp on-site at Gingerman, we will be. Not certain where we'll be paddocking, but usually we end up on th ...
  Topic: Beginner Tire Recommendations
924RACR

Replies: 11
Views: 5410

PostForum: 924 Racing Today   Posted: Wed Jul 22, 2020 10:40 pm   Subject: Beginner Tire Recommendations
We were using 225/45/15 Hoosier R6s.

We, in ITB, are restricted not by tire size but by rim size, and so run 15x6s.

Yes, with 225 rubber - it can be done.

But we've since dropped back to 20 ...
  Topic: Drove on track for the first time ever today!
924RACR

Replies: 22
Views: 703

PostForum: 924 Racing Today   Posted: Tue Jul 21, 2020 9:50 pm   Subject: Drove on track for the first time ever today!
Ed - you should come visit us this weekend at Gingerman. Bring your helmet, they're open for lapping too, not just racing :
http://www.summerfestivalofspeed.com/

We are running the #77 ITB 924 ...
  Topic: Drove on track for the first time ever today!
924RACR

Replies: 22
Views: 703

PostForum: 924 Racing Today   Posted: Tue Jul 21, 2020 12:03 am   Subject: Drove on track for the first time ever today!
My original goal (1970)was to build a D sports racer(850cc) back when people were still running Saab and Crosley motors, I came up with a Rotax snowmobile motor that had as much power and weighed abou ...
  Topic: S2 931 EFI Conversion DIY
924RACR

Replies: 59
Views: 7123

PostForum: Performance Upgrades   Posted: Mon Jul 20, 2020 8:39 pm   Subject: S2 931 EFI Conversion DIY
LOL yeah... well, at least 16-17psi can't be all that boring, eh?
  Topic: Drove on track for the first time ever today!
924RACR

Replies: 22
Views: 703

PostForum: 924 Racing Today   Posted: Mon Jul 20, 2020 8:38 pm   Subject: Drove on track for the first time ever today!
The Me-otter crowd has been lobbying to move their cars into more and more classes in SCCA over the past 10 years... and have been trying to get their 1600 engined car into IT-B.

Oh FFS... if we ne ...
 
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