Springtime!
Thread Starter
Team Owner
Joined: Mar 2005
Posts: 20,933
Likes: 905
From: salem OR
Springtime!
I'm swapping out my base front spring for a z-51. I didn't see the sense
in changing out the rear since the base is slightly stiffer and the values are close. I have z-51 shocks and sways already and it seems I need more spring in the front. Esp when carrying 2 people.
Anyone else hate putting any one over 200 in the passenger seat?
in changing out the rear since the base is slightly stiffer and the values are close. I have z-51 shocks and sways already and it seems I need more spring in the front. Esp when carrying 2 people.
Anyone else hate putting any one over 200 in the passenger seat?
Safety Car
Joined: Sep 2007
Posts: 4,359
Likes: 6
From: Los Alamitos California
St. Jude Donor '09
The front Z-51 spring rate is 526lbs. The Z06 front spring rate is 531lbs. With a supercharger and an intercooler so far forward, I would have gone with the Z06 front springs. They're only 6lbs stiffer.
San
San
Burning Brakes
Joined: Jan 2009
Posts: 975
Likes: 67
From: Pleasant Hill Ca.
Recently, I was fortunate enough to have a 240 lb friend ride with me as a passenger in two twenty minute runs @ Thunderhill Park. Guess I can say I'm glad I was driving an '08 C6 rather than a Miata. Even with this extra weight, I still can say our cars don't need any additional power. Main reason for this thread is to give credit to the great suspension our car has. I really do not think the F55 system is receiving the credit that it is due. It is no surprise the ZR1 has been designed to have this. The only upgrade I have included is to swap out the factory installed anti sway bars to the Pfadt sways. There is no need to mess with my springs. More of you should see how the F55 adjusts to the unlimited variations found on a tracks corners.
Thread Starter
Team Owner
Joined: Mar 2005
Posts: 20,933
Likes: 905
From: salem OR
But I heard you end up a 1/2 inch lower! Just what I didn't want!
Le Mans Master
Joined: Oct 2007
Posts: 6,149
Likes: 11
From: Greater Detroit Metro MI, when I'm not travelling.
Safety Car
Joined: Sep 2007
Posts: 4,359
Likes: 6
From: Los Alamitos California
St. Jude Donor '09
Thread Starter
Team Owner
Joined: Mar 2005
Posts: 20,933
Likes: 905
From: salem OR
difference. I decided I better do both front and rear as bilstein lists part numbers. 2 for the base car and 2 for z-51's. I'll stay with the z-51 springs and matching bilsteins.
The z-51 shocks are not too impressive
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