STi top mounts recommended for SPT/STi springs/struts?

superg · 04-19-2002, 02:27 PM

I am about to have the Sti/SPT springs and struts installed on my WRX. I am debating whether to do the Sti top mounts versus leaving the stock. Seems like the stiffer Sti mounts will transmit more NVH, which I would rather not have, but I am worried about the bounciness reported by some folks who have done springs/struts without the Sti mounts.

I see elsewhere the bounciness has been attributed to stock wheels and tires (mine are 17s) and stock seat springs, both plausible.

Suspension setup is for very sporty, mostly paved, mountain road use and occasional track.

Superg

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H8YNERS · 04-19-2002, 03:42 PM

Check out this link on a thread only a couple of threads below yours for answers.

http://www.i-club.com/forums/showthr...hreadid=175376

Stephen

gtguy · 04-19-2002, 03:43 PM

Here's a simple formula: people who have the STi tops say no bounciness. People who have the stock tops report bounciness. Hmmmm.

Actually, the tops don't really transmit that much more NVH, really. It isn't even as much as say, going from 16s to 17s. Nowhere near. Do it. The whole setup will feel better.

Kevin

Willman67 · 04-19-2002, 05:58 PM

Do you have to take the whole strut assembly out to replace the strut tops? I'm installing the STI setup this weekend but didn't buy the tops....now i'm thinking the tops are a neccessity......any experienced folks here?

William

gtguy · 04-19-2002, 07:19 PM

Quote:

Originally posted by Willman67
Do you have to take the whole strut assembly out to replace the strut tops? I'm installing the STI setup this weekend but didn't buy the tops....now i'm thinking the tops are a neccessity......any experienced folks here?

William

Yep. Sorry... Not only that, but you have to take it all apart, so you'd better have spring compressors for the fronts. They aren't needed for the back.

Kevin

Blindeye_03 · 04-20-2002, 12:25 AM

Quote:

Originally posted by gtguy
Here's a simple formula: people who have the STi tops say no bounciness. People who have the stock tops report bounciness. Hmmmm.

Actually, the tops don't really transmit that much more NVH, really. It isn't even as much as say, going from 16s to 17s. Nowhere near. Do it. The whole setup will feel better.

Kevin

Get this: I have version 5 struts with eibach prokit springs and I have sti tops on the front and stockers on the rear. I broke one of the bolts during the install, and was forced to use a stocker instead. Guess which end is bouncy? The rear.. heh... Its VERY annoying to say the least.

I believe its around ~14ft-lb trq on those top bolts.

-justin

BIGSKYWRX · 04-20-2002, 11:30 AM

William,

If your debating on the STi tops- I'd hold off on your install- unless you want to try it w/ the stock tops first. You'll save mucho time (installing/removing/reinstalling).

No noticable NVH for me w/ STi tops.

BTW spring compressors are readily available for rent at most automotive part stores- cheap too $10-15.

Big Sky

Willman67 · 04-20-2002, 02:43 PM

So where can I get tops ASAP? I need to be set up for the may auto-x in 2 weeks....where can I get them from soon?

Willman

gtguy · 04-20-2002, 04:54 PM

Try Rallispec or AVSport. Cobb Tuning also keeps some around, I believe.

Kevin

04-19-2002, 02:27 PM	#1
superg Scooby Newbie Member#: 3385 Join Date: Dec 2000 Location: Golden, CO Vehicle: 2002 WRX WRB	STi top mounts recommended for SPT/STi springs/struts? I am about to have the Sti/SPT springs and struts installed on my WRX. I am debating whether to do the Sti top mounts versus leaving the stock. Seems like the stiffer Sti mounts will transmit more NVH, which I would rather not have, but I am worried about the bounciness reported by some folks who have done springs/struts without the Sti mounts. I see elsewhere the bounciness has been attributed to stock wheels and tires (mine are 17s) and stock seat springs, both plausible. Suspension setup is for very sporty, mostly paved, mountain road use and occasional track. Superg * Registered users of the site do not see these ads.

04-19-2002, 05:58 PM	#4
Willman67 Scooby Specialist Member#: 3439 Join Date: Jan 2001 Location: Houston,Texas (state and count Vehicle: 2001 Chevy 2500HD Mean Green Machine	Simple question about STI strut top install Do you have to take the whole strut assembly out to replace the strut tops? I'm installing the STI setup this weekend but didn't buy the tops....now i'm thinking the tops are a neccessity......any experienced folks here? William

04-20-2002, 02:43 PM	#8
Willman67 Scooby Specialist Member#: 3439 Join Date: Jan 2001 Location: Houston,Texas (state and count Vehicle: 2001 Chevy 2500HD Mean Green Machine	ok...so where is the quick place to get STI tops? So where can I get tops ASAP? I need to be set up for the may auto-x in 2 weeks....where can I get them from soon? Willman

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04-19-2002, 03:42 PM	#2
H8YNERS Scooby Specialist Member#: 4995 Join Date: Mar 2001 Location: Seattle, WA USA Vehicle: 2002 WRX wagon Silver	Check out this link on a thread only a couple of threads below yours for answers. http://www.i-club.com/forums/showthr...hreadid=175376 Stephen

04-19-2002, 03:43 PM	#3
gtguy Scooby Guru Member#: 2184 Join Date: Aug 2000 Location: Highland Park, Ill., USA Vehicle: 2005 Legacy GT wagon Platinum Silver Metallic	Here's a simple formula: people who have the STi tops say no bounciness. People who have the stock tops report bounciness. Hmmmm. Actually, the tops don't really transmit that much more NVH, really. It isn't even as much as say, going from 16s to 17s. Nowhere near. Do it. The whole setup will feel better. Kevin

04-20-2002, 11:30 AM	#7
BIGSKYWRX Scooby Guru Member#: 7958 Join Date: Jul 2001 Location: Plains of Eastern Montana Vehicle: 09 GH B+	William, If your debating on the STi tops- I'd hold off on your install- unless you want to try it w/ the stock tops first. You'll save mucho time (installing/removing/reinstalling). No noticable NVH for me w/ STi tops. BTW spring compressors are readily available for rent at most automotive part stores- cheap too $10-15. Big Sky

04-20-2002, 04:54 PM	#9
gtguy Scooby Guru Member#: 2184 Join Date: Aug 2000 Location: Highland Park, Ill., USA Vehicle: 2005 Legacy GT wagon Platinum Silver Metallic	Try Rallispec or AVSport. Cobb Tuning also keeps some around, I believe. Kevin