New owner/New to website and New Racer help please - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

rice_classic · 11-02-2020, 01:50 AM

Link to ruleset please. Let's have a look.

The devil is in the details.

Purist · 11-02-2020, 04:56 AM

An ND Miata is 960 kg stock. Our cars are 1200kg. That's 12 bags of cement! Therein lies your 2 seconds.

Sent from my SM-G973F using Tapatalk

new2subaru · 12-23-2022, 09:12 AM

Quote:

Originally Posted by Purist

An ND Miata is 960 kg stock. Our cars are 1200kg. That's 12 bags of cement! Therein lies your 2 seconds.

This, you gotta drop some weight. 2-300lbs is doable. The AP spring kit loses 23lbs I believe. Keep that in mind. My car is AT and 2500lbs. I still have 100 to go.

Also, a 4.88 FD would help being it's a AT. The gearing is long in the AT. I'm putting a 5.29 in mine, which may or may not be overkill

ETA correction

alex87f · 12-25-2022, 12:07 PM

Lightweight 17" wheels can definitely save you a good 10lbs (that's why everyone and their brothers have RPF1s). 19" seems like a weird choice for a track twin.

Shorter FD is a must on an auto toyobaru, the stock gearing is so tall it's ridiculous. 5th on the auto is taller than the MT's 6th.

Disks with aluminium bowls might save some weight and improve cooling, too. But BBKs are expensive. A shorter drive might help use more engine braking, too.

EDIT: just saw the rules with unlimited power mods... seems fairly biased towards FI engines to be honest.
An 86 isn't the right choice here. I'd look for something like a 944 turbo or maybe an older C4 vette with such rules. However, with your requirement for a -decent- automatic, you may want something more recent. I would have said a turbo solstice but those are > 250hp even stock. A DSG GTI is probably your best bet.

What does the rulebook say about engine / gearbox swaps?

Qwimby1 · 01-02-2023, 11:40 AM

Regarding 944 turbo: If an original Autothority chip can be found and allowed under the rules, it will make it a different car. I don't recall the exact numbers, but it produces boost at 1,000 rpm or more below stock and adds HP and torque by a lot. I think those cars ran in D stock PCA club racing. The 944s had little chance against 911s, and since the rules were set largely by 911 jockeys, the chips weren't allowed.

11-02-2020, 01:50 AM	#15
rice_classic Senior Member Join Date: Jun 2012 Drives: Nevermorange FRS Location: Seattle, WA Posts: 4,160 Thanks: 755 Thanked 4,200 Times in 1,803 Posts Mentioned: 77 Post(s) Tagged: 1 Thread(s)	Link to ruleset please. Let's have a look. The devil is in the details. __________________ SCCA T4 - FRS

11-02-2020, 04:56 AM	#16
Purist Senior Member Join Date: May 2017 Drives: Subaru BRZ Location: Australia Posts: 349 Thanks: 125 Thanked 261 Times in 145 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	An ND Miata is 960 kg stock. Our cars are 1200kg. That's 12 bags of cement! Therein lies your 2 seconds. Sent from my SM-G973F using Tapatalk __________________ Less More

12-25-2022, 12:07 PM	#18
alex87f Meow Join Date: Aug 2017 Drives: GT86, Volvo 996 Location: France Posts: 532 Thanks: 314 Thanked 444 Times in 236 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Lightweight 17" wheels can definitely save you a good 10lbs (that's why everyone and their brothers have RPF1s). 19" seems like a weird choice for a track twin. Shorter FD is a must on an auto toyobaru, the stock gearing is so tall it's ridiculous. 5th on the auto is taller than the MT's 6th. Disks with aluminium bowls might save some weight and improve cooling, too. But BBKs are expensive. A shorter drive might help use more engine braking, too. EDIT: just saw the rules with unlimited power mods... seems fairly biased towards FI engines to be honest. An 86 isn't the right choice here. I'd look for something like a 944 turbo or maybe an older C4 vette with such rules. However, with your requirement for a -decent- automatic, you may want something more recent. I would have said a turbo solstice but those are > 250hp even stock. A DSG GTI is probably your best bet. What does the rulebook say about engine / gearbox swaps? Last edited by alex87f; 12-25-2022 at 05:33 PM.

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01-02-2023, 11:40 AM	#19
Qwimby1 Senior Member Join Date: Nov 2015 Drives: 14 FRS Monogram, 05 Mazdasped Miata Location: Sarasota, FL Posts: 565 Thanks: 131 Thanked 140 Times in 104 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	Regarding 944 turbo: If an original Autothority chip can be found and allowed under the rules, it will make it a different car. I don't recall the exact numbers, but it produces boost at 1,000 rpm or more below stock and adds HP and torque by a lot. I think those cars ran in D stock PCA club racing. The 944s had little chance against 911s, and since the rules were set largely by 911 jockeys, the chips weren't allowed.

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