The Official 370Z Autocross Thread

Ruff · 05-11-2010, 11:54 PM

Quote:

Originally Posted by TheNose

That's me. And I just registered.

(I mainly just lurk on the forums)

Welcome! Good luck at nats!

TheNose · 05-13-2010, 11:20 AM

Has anyone noticed these wheels yet?
5-Zigen ProRacer ZR+520 - Gun Metal Wheels - Wheel Size & Price Details - 1010tires.com

By mid season I'll need a second set of race wheels to make tire rotation more practical and these seem like a real possibility since the supply of stock wheels for sale seems to have dried up. There's a 19x9 +42 which works in the stock allowance, and there's a 19x10 +38 which would work with one of those little 3mm spacers. They are about 5lbs per wheel heavier than stock, and a full set would run just over $1k. The 5zigen site specifically mentions that they will clear the brakes on the z34.

If I were to pick these up I could either run my old tires on them locally or use them for my street tires and use my original stock wheels for the second set of tires. Am I correct that these would be legal with spacers in the rear? And since I'm already pushing around 50lbs of unsprung weight, is another 5lbs going to really hurt?

This is the only set of aftermarket wheels (cheap/lightweight or otherwise) I've seen that would work in SCCA stock class. Are there any other options that I haven't noticed?

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05-13-2010, 11:20 AM	#2 (permalink)
TheNose Base Member Join Date: Aug 2009 Location: NJ Posts: 44 Drives: 09 370Z Rep Power: 17	Has anyone noticed these wheels yet? 5-Zigen ProRacer ZR+520 - Gun Metal Wheels - Wheel Size & Price Details - 1010tires.com By mid season I'll need a second set of race wheels to make tire rotation more practical and these seem like a real possibility since the supply of stock wheels for sale seems to have dried up. There's a 19x9 +42 which works in the stock allowance, and there's a 19x10 +38 which would work with one of those little 3mm spacers. They are about 5lbs per wheel heavier than stock, and a full set would run just over $1k. The 5zigen site specifically mentions that they will clear the brakes on the z34. If I were to pick these up I could either run my old tires on them locally or use them for my street tires and use my original stock wheels for the second set of tires. Am I correct that these would be legal with spacers in the rear? And since I'm already pushing around 50lbs of unsprung weight, is another 5lbs going to really hurt? This is the only set of aftermarket wheels (cheap/lightweight or otherwise) I've seen that would work in SCCA stock class. Are there any other options that I haven't noticed?