My 19x11 Forgeline square setup avec 315 Hoosiers - Page 3 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

X25 · 10-11-2014, 06:41 AM

What offset did you go with for the fonts? R7 is also out at this size, and I'm seriously considering : )

IOM Black Diamond · 04-16-2015, 01:58 PM

Ok I know this a old thread but I was wondering if I could get some info. I am looking to go with 315's all of the way around for autocross also. Do you know if it is possible to do with 18"? And what are your offsets front and rear? Thank you

enzia35 · 04-16-2015, 03:05 PM

Too...many...yellow...

mp51998 · 04-17-2015, 12:27 AM

Quote:

Originally Posted by IOM Black Diamond

Ok I know this a old thread but I was wondering if I could get some info. I am looking to go with 315's all of the way around for autocross also. Do you know if it is possible to do with 18"? And what are your offsets front and rear? Thank you

Get in touch with Pete at JPSS. He's on this forum (usually in the Suspension section). I just ordered GA3R rims through him. With the offset I will be running 305's. He's saying we could do 315's also. They should arrive in a couple of weeks and I'll post pics when I get them on the car.

Avalnch · 04-18-2015, 01:48 AM

Quote:

Originally Posted by IOM Black Diamond

Ok I know this a old thread but I was wondering if I could get some info. I am looking to go with 315's all of the way around for autocross also. Do you know if it is possible to do with 18"? And what are your offsets front and rear? Thank you

Not sure if 18" 315 is possible. I went with 19" diameter because I also have the 3.91 gears in the rear. With my setup, I need to shift into 3rd on larger autocross courses.

Keep in mind that running 315 in any diameter will mean the front sticks out more than an inch outside the fenders. That's why the Z28 has the front fender flares.

I purchased my GA3Rs directly from Forgeline, contact David Schardt and he will be able to help you with the offsets.

A word of caution if you go with 11" wide front wheels. You will have fitment issues with the strut if you do not do it right.

Dropspeed · 04-19-2015, 10:16 AM

Offsets?

Avalnch · 04-21-2015, 02:42 AM

The rear offset is a no-brainer at +44/+45.

The front offset is what you have to be careful of when considering clearance issues. I have the Pfadt coilovers and chose +17mm offset in the front. Even with such a shallow offset in the front, I went with shorter race springs to move the perches up and away from the tire. The other benefit of such a shallow front offset is that it pushes the front tires outward thus widening the front track and creating a more balanced setup.

10-11-2014, 06:41 AM	#29
X25 Drives: '16 C7 Z51 Join Date: May 2012 Location: Redmond, WA Posts: 3,056	What offset did you go with for the fonts? R7 is also out at this size, and I'm seriously considering : ) __________________ '16 Corvette C7 Z51 1LT (Build Thread) '14 AGM 1SS 1LE [COTW 11/17/14] (Build Thread) (SOLD) '13 Mazda MX-5 Club (Build Thread) '17 RAM 1500 Crew Cab 4x4 Night Edition '15 Nissan Rogue S AWD

04-16-2015, 01:58 PM	#30
IOM Black Diamond HT5 COTW 1/21/13 Drives: 2010 Camaro Inferno 2SS RS 6M Join Date: Apr 2011 Location: Pleasant Hill, Or Posts: 2,486	Ok I know this a old thread but I was wondering if I could get some info. I am looking to go with 315's all of the way around for autocross also. Do you know if it is possible to do with 18"? And what are your offsets front and rear? Thank you __________________

04-16-2015, 03:05 PM	#31
enzia35 Drives: '16 Garnet Red 1SS Join Date: Mar 2014 Location: College Station, TX Posts: 3,450	Too...many...yellow... __________________ '16 Camaro 1SS '18 Miata GT Gone: '01 Camaro, '14 Camaro, '90 Miata

04-19-2015, 10:16 AM	#34
Dropspeed 2013 Camaro SS1LECTSVZ28 Drives: 2013 AGM 1SS/1LE Join Date: Nov 2012 Location: Suburbs of Detroit, MI Posts: 2,440	Offsets? __________________ My 1LE Build/Journal : http://www.camaro5.com/forums/showthread.php?t=351990

04-21-2015, 02:42 AM	#35
Avalnch Drives: Rally Yellow Camaro+Avalanche Join Date: Dec 2009 Location: Vancouver Posts: 1,110	The rear offset is a no-brainer at +44/+45. The front offset is what you have to be careful of when considering clearance issues. I have the Pfadt coilovers and chose +17mm offset in the front. Even with such a shallow offset in the front, I went with shorter race springs to move the perches up and away from the tire. The other benefit of such a shallow front offset is that it pushes the front tires outward thus widening the front track and creating a more balanced setup.