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Forum: Performance and Technical chat 08-23-2019, 05:36 PM
Replies: 11
Views: 901
Posted By LAP1DOUG
Sell the engine and get a Formula car. You would...

Sell the engine and get a Formula car. You would not belive how inexpensive one of these is today. I recently had my engine rebuilt in Canada for 1/3 the price of a 3.2 engine rebuild.
Forum: Boxster Racing Forum 10-13-2017, 05:54 PM
Replies: 17
Views: 1,255
Posted By LAP1DOUG
Hey NewArt - Those RE-71r's are well known to...

Hey NewArt - Those RE-71r's are well known to have very stifff sidewalls compared to any other 200 TW tire. As a result they like lower pressures to achieve the same temperature profile as others.
...
Forum: Performance and Technical chat 12-16-2016, 05:29 PM
Replies: 5
Views: 685
Posted By LAP1DOUG
For my rear, I normally use a 10" OZ with an et...

For my rear, I normally use a 10" OZ with an et 40 offset, with a 3 mm spacer, which brings the total offset down to 37 mm.

I am using this with a 285 30-18 RE71R tire, which has a maximum section...
Forum: Boxster Racing Forum 12-04-2016, 06:31 AM
Replies: 15
Views: 1,775
Posted By LAP1DOUG
Yeah - when you bed new pads onto old rotors, if...

Yeah - when you bed new pads onto old rotors, if the old rotors had been used with a non compatible pad compound, then there can be very severe brake judder for several laps before the old pad...
Forum: Boxster Racing Forum 12-03-2016, 10:39 AM
Replies: 15
Views: 1,775
Posted By LAP1DOUG
I switched to the Sebro slotted rotors that...

I switched to the Sebro slotted rotors that Pelican Parts sells, and have had excellent performance and rotor life using Pagid RS-14 pads. Heck, the pads are so expensive compared to the rotors, I...
Forum: Performance and Technical chat 10-17-2016, 05:53 PM
Replies: 19
Views: 1,891
Posted By LAP1DOUG
I have also hit upon very similar camber settings...

I have also hit upon very similar camber settings to Topless as ideal for my car on high performance street tires. Your results may vary - a few things to remember:

1- These are McPherson /...
Forum: Performance and Technical chat 07-21-2016, 05:30 PM
Replies: 15
Views: 1,069
Posted By LAP1DOUG
The very best friction coefficient for any pad on...

The very best friction coefficient for any pad on our cars is the Pagid RS-14 black. Amazingly they are also have the highest temperature rating of any pad in the Pagid line. The only negatives are...
Forum: Performance and Technical chat 07-12-2016, 07:07 PM
Replies: 3
Views: 394
Posted By LAP1DOUG
The stock 17's that I use for rain tires barely...

The stock 17's that I use for rain tires barely clear where the rear toe link bolts onto the upright (hub carrier), so I doubt a 16" would ever work. The best tire choices are 18"s anyway, so why try...
Forum: Boxster Racing Forum 07-12-2016, 07:02 PM
Replies: 32
Views: 2,727
Posted By LAP1DOUG
If you read the test standards, both M and SA...

If you read the test standards, both M and SA require multiple impacts in the same location. As I recall there is some difference in the allowable g-forces, but it did not seem like a big difference...
Forum: Boxster Racing Forum 07-11-2016, 06:33 PM
Replies: 32
Views: 2,727
Posted By LAP1DOUG
For quite a few years, the Snell Foundation was...

For quite a few years, the Snell Foundation was criticized for having a test standard that encouraged too hard of lining, as the tests required all size helmets to use the same identical 5 kg mass...
Forum: Performance and Technical chat 06-29-2016, 05:50 PM
Replies: 4
Views: 668
Posted By LAP1DOUG
Cracked Fabspeed Exhaust Header

I have had my Fabspeed exhaust for about 4 years and have been very pleased with it.

However about a week ago after a particularly hard track session, I came off the track with a strange exhaust...
Forum: Performance and Technical chat 06-29-2016, 05:24 PM
Replies: 8
Views: 573
Posted By LAP1DOUG
For street use, and even autocross, use the OEM...

For street use, and even autocross, use the OEM pads. They are very good without the negative effects like squealing, heavy dusting, and rotor wear that you get from racing pads.

I switch to Pagid...
Forum: Performance and Technical chat 05-25-2016, 05:40 PM
Replies: 5
Views: 545
Posted By LAP1DOUG
I don't have a code reader, so did not obtain any...

I don't have a code reader, so did not obtain any codes.



Yeah, I always heard the same thing about 987 PSM being sensitive to wheel diameters, but never heard anything like this with 986 ABS....
Forum: Performance and Technical chat 05-16-2016, 05:58 PM
Replies: 5
Views: 545
Posted By LAP1DOUG
Sporadic ABS issue with tire diameters?

My long awaited RE-71R tire sizes finally came in:

Front: 255/35 - 18 (25" O.D. at 833 revolutions/mile)
Rear: 285/30 - 18 (24.8" O.D. at 841 revolutions/mile)

I have run these same tire sizes...
Forum: Boxster Racing Forum 05-14-2016, 05:00 AM
Replies: 16
Views: 2,162
Posted By LAP1DOUG
I have the RSS control arms front and rear. At...

I have the RSS control arms front and rear. At the time, I had heard of some of the castings breaking on GT-3 OEM type control arms, so I was looking for better quality than the originals. The RSS...
Forum: Boxster General Discussions 05-13-2016, 06:38 PM
Replies: 6
Views: 988
Posted By LAP1DOUG
Several folks over on Rennlist in the Racing and...

Several folks over on Rennlist in the Racing and DE section have posted that Victor wheels suffered catastrophic failure.

They are probably fine if you are just going to drive around on the...
Forum: Boxster General Discussions 05-11-2016, 05:42 PM
Replies: 7
Views: 607
Posted By LAP1DOUG
At $18 K this is potential Spec Cayman fodder...

At $18 K this is potential Spec Cayman fodder...
Forum: Boxster General Discussions 05-11-2016, 05:39 PM
Replies: 6
Views: 465
Posted By LAP1DOUG
Franz Blam Racing in Tucker is excellent and a...

Franz Blam Racing in Tucker is excellent and a fair business to deal with. They can do anything from general maintenance to gearbox and engine rebuilds.
Forum: Boxster General Discussions 05-06-2016, 07:03 PM
Replies: 228
Views: 25,905
Posted By LAP1DOUG
Please bring it on out to a local Peachstate PCA...

Please bring it on out to a local Peachstate PCA event - we'd like to see it run.

If you need a chassis dyno, Balanced Performance in Sugar Hill is good. There are a few others around, and one...
Forum: Boxster General Discussions 05-04-2016, 06:55 PM
Replies: 8
Views: 910
Posted By LAP1DOUG
If you really want less oversteer, you may have...

If you really want less oversteer, you may have an alignment problem, like not enough toe-in at the rear, or goofy camber front to rear. If your alignment is within spec, and you still want less...
Forum: Performance and Technical chat 05-01-2016, 03:01 PM
Replies: 28
Views: 1,505
Posted By LAP1DOUG
Steve said he was at Roebling which is a real...

Steve said he was at Roebling which is a real race track with a long history of club sports car racing. It also has a very long front straight where most cars run completely out of Hp trying to push...
Forum: Performance and Technical chat 05-01-2016, 09:37 AM
Replies: 28
Views: 1,505
Posted By LAP1DOUG
Too late now I guess, but as j.fro suggested, I...

Too late now I guess, but as j.fro suggested, I would disconnect the rear bar for a quick fix.

These cars are fairly sensitive to wheel rates front to rear.

Good luck getting it sorted.
Forum: Boxster General Discussions 04-16-2016, 05:23 AM
Replies: 3
Views: 525
Posted By LAP1DOUG
You mean there is an airport in Florence?

You mean there is an airport in Florence?
Forum: Boxster General Discussions 04-10-2016, 02:34 AM
Replies: 16
Views: 1,228
Posted By LAP1DOUG
Mine was in a Saturn Yellow 914. I remember the...

Mine was in a Saturn Yellow 914. I remember the car, but the girl is long forgotten.

Too bad we didn't have digital photos, or even think much about taking photos back then.
Forum: Performance and Technical chat 03-29-2016, 07:21 PM
Replies: 5
Views: 793
Posted By LAP1DOUG
I have the RSS LCA's on both my front and rear...

I have the RSS LCA's on both my front and rear suspension.

Up front they serve a purpose of allowing negative camber and caster adjustment, while also providing for solid bearings at all pick-up...
Showing results 1 to 25 of 150

 
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