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04-30-19, 10:12 AM
Replies: 61
Views: 7,227
Posted By ptrhahn

Very cool, ambitious project! Lemme know if you...

Very cool, ambitious project! Lemme know if you ever decide to develop up-sized versions. I would totally dig an 18x10/18x11" combo that looked like factory wheels. Though I guess the rest of the car...
02-25-19, 10:11 AM
Replies: 30
Views: 10,225
Posted By ptrhahn

More and more, it sounds like Mazda got a new...

More and more, it sounds like Mazda got a new supplier for the nozzles, and they are junk. Here's what I did to replace them. I'll start looking at ways to produce in bulk:
...
02-24-19, 10:16 AM
Replies: 306
Views: 51,797
Posted By ptrhahn

Wow, I can't imagine having that kind of space.

Wow, I can't imagine having that kind of space.
02-13-19, 08:07 PM
Replies: 19
Views: 1,939
Posted By ptrhahn

Yeah, I think once you choke off the $6-10k it...

Yeah, I think once you choke off the $6-10k it really will cost you to go single, getting 10 extra rwhp would really kill your wood.
02-13-19, 11:46 AM
Replies: 19
Views: 1,939
Posted By ptrhahn

I'm very happy with the 8374 IWG spool, with a 3"...

I'm very happy with the 8374 IWG spool, with a 3" open exhaust, and a ported housing to help with boost control. I can't imagine going through all the work/expense for a single turbo for anything...
02-06-19, 01:05 PM
Replies: 12
Views: 1,125
Posted By ptrhahn

love that GTR kit, but as with all race calipers,...

love that GTR kit, but as with all race calipers, you need to remove it in order to swap pads. Tough for a street/track car.
02-05-19, 02:53 PM
Replies: 62
Views: 9,475
Posted By ptrhahn

If I were to do it, I'd do a similar to Leg Sport...

If I were to do it, I'd do a similar to Leg Sport style like here that could fasten between the bumper and lip, and between the bumper and fender so requires no drilling, but I would have the shape...
02-05-19, 02:31 PM
Replies: 12
Views: 1,125
Posted By ptrhahn

FYI Stock Pistons are 36/36 Brembo GT: 36/40 ...

FYI
Stock Pistons are 36/36
Brembo GT: 36/40
Big Reds: 36/44
StopTech (standard): 36/30, 36/34 for '99 rears

*note, the size of the rotors used figures into the balance relative to the rear.
...
02-02-19, 02:46 PM
Replies: 104
Views: 13,126
Posted By ptrhahn

It wasn't actually so long ago that even top...

It wasn't actually so long ago that even top level professional race teams developed their cars without CFD, and without wind tunnels, and they managed (with greater margin for error of course) to...
Forum: Garage Alpha
01-31-19, 02:09 PM
Replies: 14
Views: 2,745
Posted By ptrhahn

Hi guys, I'm supplying these to a shop to...

Hi guys,
I'm supplying these to a shop to install, but I admit I can't figure them out based on the pictures. Do they go BETWEEN the chassis and the subframe, or on the outside of the subframe...
01-30-19, 07:56 PM
Replies: 104
Views: 13,126
Posted By ptrhahn

Well, you need to make a few to actually get that...

Well, you need to make a few to actually get that testing. Make me a set, and I'll test them at VIR, Watkins Glen, and Summit Point, and I've got lots of data and video of straight speeds with which...
01-30-19, 11:10 AM
Replies: 104
Views: 13,126
Posted By ptrhahn

Dude, this is rad as shit.

Dude, this is rad as shit.
01-24-19, 12:49 PM
Replies: 2
Views: 522
Posted By ptrhahn

^^^ I've got the same one.

^^^ I've got the same one.
01-20-19, 12:04 PM
Replies: 99
Views: 13,810
Posted By ptrhahn

Could you make something similar for the AIM MXS...

Could you make something similar for the AIM MXS 5" dash?

P
01-13-19, 10:58 AM
Replies: 99
Views: 13,810
Posted By ptrhahn

Good stuff! Been following you on IG for a while,...

Good stuff! Been following you on IG for a while, I have your single-gauge center speaker pod.

Will be calling for a custom product.
01-06-19, 11:07 AM
Replies: 15
Views: 2,723
Posted By ptrhahn

Almost ALL aftermarket coilovers, or at least all...

Almost ALL aftermarket coilovers, or at least all with aluminum bodies/rear forks will be too thick to use the stock sway bar bolt/nut. That's just the nature of alluminum, it needs to be thicker...
01-03-19, 05:50 PM
Replies: 14
Views: 3,487
Posted By ptrhahn

Not exactly a kit. There's going to be work...

Not exactly a kit. There's going to be work involved and I've no idea on piston sizes and balance with the rear.
01-02-19, 09:38 PM
Replies: 9
Views: 679
Posted By ptrhahn

The key is, find a race seat that fits you. Many...

The key is, find a race seat that fits you. Many race seats have trouble fitting in the FD because the shoulder wing hits the door, but in a track car its less an issue if you don't mind cutting or...
12-31-18, 11:01 AM
Replies: 14
Views: 3,487
Posted By ptrhahn

It's a fine design for a real race car, when...

It's a fine design for a real race car, when you're not swapping pads back to streets every event, and a good tradeoff for caliper stiffness. The StopTech bolt-in bridge is a good street/track...
12-28-18, 11:22 PM
Replies: 14
Views: 3,487
Posted By ptrhahn

I can't imagine using a caliper that requires...

I can't imagine using a caliper that requires that you remove it in order to swap brake pads on anything but a race-only car (as many high ens race calipers do). If it's a track day car, even a...
12-07-18, 12:16 PM
Replies: 66
Views: 7,870
Posted By ptrhahn

Pics mounted?

Pics mounted?
Forum: Build Threads
11-13-18, 08:53 AM
Replies: 212
Views: 21,294
Posted By ptrhahn

@#$%ing amazing lap times. FYI, I don't...

@#$%ing amazing lap times.

FYI, I don't think the catch can situation really improves with a single turbo, the biggest thing is the intake temps. I understand you're running WI though, I never...
10-29-18, 08:35 PM
Replies: 37
Views: 5,327
Posted By ptrhahn

I've left mine like that for months.

I've left mine like that for months.
10-22-18, 04:22 PM
Replies: 6
Views: 385
Posted By ptrhahn

Vibrant stuff is decent, and I've had great luck...

Vibrant stuff is decent, and I've had great luck with Remflex (in part because I'm a complete loser mechanic and can't seal an exhaust with regular gaskets).

Both should be available on Amazon.
...
10-22-18, 02:46 PM
Showing results 1 to 25 of 452
 


 
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