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Search took 0.02 seconds. Search: Posts Made By: Greg Holmberg
Forum: Boxster Racing Forum 11-22-2019, 09:18 AM
Replies: 15
Views: 1,556
Posted By Greg Holmberg
For anyone else who's interested, I found this...

For anyone else who's interested, I found this information on the product. The company calls it "experimental" at this point.

RaceCapture on Raspberry Pi...
Forum: Boxster Racing Forum 11-21-2019, 10:23 AM
Replies: 1,386
Views: 301,185
Posted By Greg Holmberg
Yes. JayG was asking about open-wheel formula...

Yes. JayG was asking about open-wheel formula cars, Formula First (FST) and Formula 600 (F6). None of the examples people have cited here are open-wheel cars. I can't imagine running a 700 lb...
Forum: Boxster Racing Forum 11-21-2019, 10:11 AM
Replies: 15
Views: 1,556
Posted By Greg Holmberg
I know what a Raspberry Pi is, but tell me more...

I know what a Raspberry Pi is, but tell me more about using it as data logger.

How to you connect all the sensors?

What software do you use?

Thanks,

Greg
Forum: Boxster Racing Forum 11-11-2019, 12:28 PM
Replies: 1,386
Views: 301,185
Posted By Greg Holmberg
Yep, those look like great race cars! ...

Yep, those look like great race cars!

https://nasaprototype.com (https://nasaprototype.com/)

Built in the US by Elan, which builds professional-level formula and prototype cars.

Advantages:...
Forum: Boxster Racing Forum 11-11-2019, 10:54 AM
Replies: 1,386
Views: 301,185
Posted By Greg Holmberg
I've seen quite a few different makes of cars run...

I've seen quite a few different makes of cars run in PCA "Driving Education" events, but I've never seen a purpose-built car (formula or sports racer/prototype). Check with them, but I don't think...
Forum: Boxster Racing Forum 11-10-2019, 06:39 PM
Replies: 1,386
Views: 301,185
Posted By Greg Holmberg
I put the cost of tires, engine, fuel, brake...

I put the cost of tires, engine, fuel, brake pads, and gearbox at $351 per hour for Spec Boxster, and $263 per hour for SRF3. So about 25% less to run SRF3.

Operational costs of racing classes...
Forum: Boxster Racing Forum 10-04-2019, 09:34 AM
Replies: 19
Views: 1,895
Posted By Greg Holmberg
I was under the impression that most Spec...

I was under the impression that most Spec Boxsters simply remove the AOS and block off the opening.

Am I wrong?
Forum: Boxster Racing Forum 05-01-2019, 09:21 AM
Replies: 1,386
Views: 301,185
Posted By Greg Holmberg
Ya, those parallel arms really make a difference...

Ya, those parallel arms really make a difference in handling. I never understood why Porsche has stayed with the MacPherson strut for so long. Even the lowly Miata has parallel arms!

As you...
Forum: Boxster Racing Forum 03-26-2019, 06:15 PM
Replies: 1,386
Views: 301,185
Posted By Greg Holmberg
What matters for racing is torque, right? ...

What matters for racing is torque, right?

Where did you buy it? How many miles did it have?

It will be interesting to see how long it continues to make the same power and torque.


Greg
Forum: Boxster Racing Forum 02-27-2019, 10:52 AM
Replies: 1,386
Views: 301,185
Posted By Greg Holmberg
Regularly $640, but $563 with group buy. Yikes. ...

Regularly $640, but $563 with group buy. Yikes. That seems like a lot for a race car that might end up getting crunched on any given weekend.

What do the stock ones cost?

If you're selling...
Forum: Boxster Racing Forum 02-04-2019, 02:03 PM
Replies: 9
Views: 5,030
Posted By Greg Holmberg
Here's a summary of the pre-purchase inspection...

Here's a summary of the pre-purchase inspection from BR Racing (http://www.brrperformance.com/), in case you find it hard to read in the photograph.



One wheel bearing should probably be...
Forum: Boxster Racing Forum 02-04-2019, 02:01 PM
Replies: 9
Views: 5,030
Posted By Greg Holmberg
Still for sale. I now have these documents to...

Still for sale. I now have these documents to help you decide:

1. build spec sheet signed by builder Dan Aspeci at The Speed Gallery.
2. receipts for additional work done.
3. car fax.
4. a...
Forum: Boxsters and Cayman Cars for Sale or Wanted 02-04-2019, 11:52 AM
Replies: 4
Views: 2,269
Posted By Greg Holmberg
Here's a summary of the pre-purchase inspection...

Here's a summary of the pre-purchase inspection from BR Racing (http://www.brrperformance.com/), in case you find it hard to read in the photograph.


One wheel bearing should probably be...
Forum: Boxsters and Cayman Cars for Sale or Wanted 02-04-2019, 11:50 AM
Replies: 4
Views: 2,269
Posted By Greg Holmberg
Still for sale. I now have these documents to...

Still for sale. I now have these documents to help you decide:

1. build spec sheet signed by builder Dan Aspeci at The Speed Gallery.
2. receipts for additional work done.
3. car fax.
4. a...
Forum: Boxster Racing Forum 01-03-2019, 10:10 AM
Replies: 15
Views: 1,811
Posted By Greg Holmberg
Also consider this language from the PCA SPB...

Also consider this language from the PCA SPB rules:



Might be useful when hitting a wall straight on.
Forum: Boxster Racing Forum 11-23-2018, 12:57 PM
Replies: 9
Views: 5,030
Posted By Greg Holmberg
Still for sale. Make me a reasonable offer. ...

Still for sale. Make me a reasonable offer.

Built by The Speed Gallery (Dan Aspesi) in North Hollywood, CA. Pro-built engine (check the dyno chart in the ad), street-legal and licensed in...
Forum: Boxsters and Cayman Cars for Sale or Wanted 11-23-2018, 12:55 PM
Replies: 4
Views: 2,269
Posted By Greg Holmberg
Still for sale. Make me a reasonable offer. ...

Still for sale. Make me a reasonable offer.

Built by The Speed Gallery (Dan Aspesi) in North Hollywood, CA. Pro-built engine (check the dyno chart in the ad), street-legal and licensed in...
Forum: Boxster Racing Forum 08-15-2018, 02:36 PM
Replies: 1,386
Views: 301,185
Posted By Greg Holmberg
Spec Boxster is supposed to be quite competitive...

Spec Boxster is supposed to be quite competitive in SCCA T3. Main competition appears to be Spec E46. I think you can use Hoosier 255 tires.
Forum: Boxster Racing Forum 03-03-2018, 03:52 PM
Replies: 1,386
Views: 301,185
Posted By Greg Holmberg
Here's my dyno chart. I used the official NASA...

Here's my dyno chart. I used the official NASA dyno provider, MCE Dyno, who uses a mobile one. Looks like you used the same dyno.

I got a peak of 192 HP and 176 ft-lbf of torque. I have the...
Forum: Boxster Racing Forum 01-26-2018, 02:08 PM
Replies: 9
Views: 5,030
Posted By Greg Holmberg
Philip, where did you go? I sent you a private...

Philip, where did you go? I sent you a private message but haven't heard from you.

Greg Holmberg: holmberg2066@comcast.net or voice/text +1 925 334 1383
Forum: Boxster Racing Forum 01-03-2018, 03:36 PM
Replies: 9
Views: 5,030
Posted By Greg Holmberg
Bump for the new year. Someone out there must...

Bump for the new year. Someone out there must need a professionally-built spec boxster for the coming year.
Forum: Boxster Racing Forum 10-27-2017, 01:12 PM
Replies: 9
Views: 5,030
Posted By Greg Holmberg
New price: $28,000.

New price: $28,000.
Forum: Boxster Racing Forum 09-23-2017, 12:33 PM
Replies: 9
Views: 5,030
Posted By Greg Holmberg
Make me an offer--tell me what you think it's...

Make me an offer--tell me what you think it's worth.

Listing on rennlist (https://rennlist.com/forums/vehicle-marketplace/1013583-spec-boxster-spb-race-car.html).
Forum: Boxster Racing Forum 09-17-2017, 12:26 PM
Replies: 1,386
Views: 301,185
Posted By Greg Holmberg
So, remind me--you currently have semi-solid...

So, remind me--you currently have semi-solid mounts on both the engine and trans, right?

So you've concluded it there's no downside to them (no loss of engine power), but did you find a benefit? ...
Forum: Boxster Racing Forum 09-11-2017, 07:58 PM
Replies: 11
Views: 2,026
Posted By Greg Holmberg
OK, it appears that all the discussions in all...

OK, it appears that all the discussions in all the communities have died out, so you can find the results in the spreadsheet...
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