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Search took 0.05 seconds; generated 105 minute(s) ago. Search: Posts Made By: TomChan
Forum: Porsche Technical Discussions 03-04-2018, 09:38 AM
Replies: 66
Views: 23,706
Posted By TomChan
Depends on the car. Most newer cars have brake...

Depends on the car. Most newer cars have brake ducting that directs air flow at a focused point. By removing the backing plates on such cars causes the channeled air to scatter thus defeating the...
Forum: Porsche Technical Discussions 03-04-2018, 09:28 AM
Replies: 20
Views: 7,227
Posted By TomChan
If at all possible, try not to weld on 991/981...

If at all possible, try not to weld on 991/981 cars. Their chassis subsections are made of different material and are bonded by industrial strength epoxy. I think the 991 GT3 Cup and GT4 Clubsport...
Forum: Porsche Technical Discussions 03-02-2018, 03:14 PM
Replies: 66
Views: 23,706
Posted By TomChan
They are easy to put on. Use lots of zip ties to...

They are easy to put on. Use lots of zip ties to secure the ducts to the control arms. The ducts are big so will lose ground clearance.
Forum: Porsche Technical Discussions 03-02-2018, 01:07 PM
Replies: 66
Views: 23,706
Posted By TomChan
Hope I didn't come off as being an aggressive...

Hope I didn't come off as being an aggressive used car salesman. I wrote what I wrote based on what I know on how brake selection and suspension setup correlate for the purpose of helping make better...
Forum: Porsche Technical Discussions 03-02-2018, 10:12 AM
Replies: 66
Views: 23,706
Posted By TomChan
DSC is awesome. DSC by itself can get the most...

DSC is awesome. DSC by itself can get the most out of a set of stock PASM shocks. The limitation is the PASM shocks themselves. Some PASM shocks at peak damping value is firmer than others depending...
Forum: Porsche Technical Discussions 03-02-2018, 09:54 AM
Replies: 66
Views: 23,706
Posted By TomChan
^^^ I said it before and saying again one last...

^^^
I said it before and saying again one last time, the OEM street car brake hose part # 996.355.139.01 is what comes on every factory GT3 Cup race car from year 2000-2013. At where I work this is...
Forum: Porsche Technical Discussions 03-01-2018, 03:47 PM
Replies: 66
Views: 23,706
Posted By TomChan
Some newer cars with stock ABS cannot take a 1.0g...

Some newer cars with stock ABS cannot take a 1.0g initial braking. It will trigger limp mode, aka ice mode. I have experienced it and found the threshold. I go medium hard, then hard, and trail.
Forum: Porsche Technical Discussions 03-01-2018, 03:38 PM
Replies: 66
Views: 23,706
Posted By TomChan
All of the above are excellent sources. ...

All of the above are excellent sources.

Also consider Essex/AP Radi-CAL kit or OEM GT3 or OEM Turbo.
Any caliper that has bigger or more piston will require bigger piston MC/booster. Also, the...
Forum: Porsche Technical Discussions 03-01-2018, 03:25 PM
Replies: 66
Views: 23,706
Posted By TomChan
First thing, any time a car feels scary the...

First thing, any time a car feels scary the driver should exit from hot track. Not worth the risk for HPDE, in my opinion.



Are you using top tier brake fluid? (i.e., SRF or PFC).



MC and...
Forum: Porsche Technical Discussions 03-01-2018, 02:03 PM
Replies: 66
Views: 23,706
Posted By TomChan
Agreed.

Agreed.
Forum: Porsche Technical Discussions 01-25-2018, 06:36 PM
Replies: 7
Views: 4,597
Posted By TomChan
OP, you also mentioned size(diameter), often bars...

OP, you also mentioned size(diameter), often bars are judged by diameter, but often bar manufactured doesn't disclose if the bar is solid or hollow and wall thickness. So without this info its hard...
Forum: Porsche Technical Discussions 01-25-2018, 06:25 PM
Replies: 7
Views: 4,597
Posted By TomChan
Typically setting shocks at max position causes a...

Typically setting shocks at max position causes a delay in damping action. Some can feel it, some not. And some times stiffer shock setting do make a car more stable purely by masking unwanted toe...
Forum: Track Talk 01-03-2018, 11:05 AM
Replies: 52
Views: 19,450
Posted By TomChan
Perhaps some day Tech might consider mandating...

Perhaps some day Tech might consider mandating rear view camera for cars without adequate rear visibility for HPDE usage in the interest safety...



Similar happened to me at a HPDC event where...
Forum: Track Talk 01-02-2018, 10:52 AM
Replies: 52
Views: 19,450
Posted By TomChan
Roger that.

Roger that.
Forum: Track Talk 01-02-2018, 09:25 AM
Replies: 52
Views: 19,450
Posted By TomChan
Thanks for all the inputs. Should I find myself...

Thanks for all the inputs. Should I find myself in a similar situation in the future(real or hypothetical) then I have these premeditated techniques to use.
Forum: Track Talk 01-02-2018, 09:18 AM
Replies: 52
Views: 19,450
Posted By TomChan
Could have happened in a simulator.

Could have happened in a simulator.
Forum: Track Talk 01-02-2018, 09:16 AM
Replies: 52
Views: 19,450
Posted By TomChan
Did. And had a mediator who witness some of the...

Did. And had a mediator who witness some of the happenings and volunteered. Much appreciated the effort but no resolution. The other driver thought it was "fun". Life goes on.



Oh boy. I just...
Forum: Track Talk 01-02-2018, 09:09 AM
Replies: 52
Views: 19,450
Posted By TomChan
Negative on the yellow wrap, but installing...

Negative on the yellow wrap, but installing monster truck style LEDs is in consideration. ;)

For some reason, the corner workers at this particular track just aren't efficient with the blue flags...
Forum: Track Talk 01-02-2018, 09:01 AM
Replies: 52
Views: 19,450
Posted By TomChan
I'll try it if there's nothing in the rules...

I'll try it if there's nothing in the rules prohibiting it. If he happens to "slow down" when side by side then a pass was implied. ;) Thanks!
Forum: Track Talk 01-02-2018, 08:57 AM
Replies: 52
Views: 19,450
Posted By TomChan
Good points. Thanks.

Good points. Thanks.
Forum: Track Talk 01-02-2018, 08:55 AM
Replies: 52
Views: 19,450
Posted By TomChan
I get it, make a single car issue to a multi-car...

I get it, make a single car issue to a multi-car issue to raise attention. Thanks for your input.
Forum: Track Talk 01-02-2018, 08:38 AM
Replies: 52
Views: 19,450
Posted By TomChan
First 2 laps I was on him like white on rice...

First 2 laps I was on him like white on rice hoping he'd acknowledge, then I had a train behind me so I pointed a few by and got right back behind him. I did not pit in which was my own bad judgement...
Forum: Track Talk 01-01-2018, 05:54 PM
Replies: 52
Views: 19,450
Posted By TomChan
HPDE Etiquette - to point by or not point by

I would like to get your opinion on the following scenario, which it is only an example scenario, it may or may not have happened.

In a Black/Red combined HPDE session say around 70 cars on a...
Forum: Porsche & BMW Parts For Sale/Wanted 11-22-2017, 11:36 AM
Replies: 0
Views: 1,082
Posted By TomChan
FS: OEM 997.2 GT3/Cup 3.8L pistons & cylinder set

For sale: Set of 997.2 GT3/Cup 3.8L (102.7mm bore, 12:1 compression) piston and cylinder set. This set came from a PMNA sealed 997.2 Cup engine with 25 hours. Was in good running condition when...
Forum: Porsche & BMW Parts For Sale/Wanted 11-20-2017, 08:40 AM
Replies: 3
Views: 1,608
Posted By TomChan
Sold.

Sold.
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