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Old 01-31-2003, 12:01 PM   #1
psaeko
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Default NVH on Subframe lock bolt&diff Lock It

Whiteline KSB750 Subframe Lock Bolts

Whiteline KSB751 Diff Lock Kit

How are NVH on these two parts?

is it as bad as ALK or slightly like transmission engine mount
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Old 01-31-2003, 01:43 PM   #2
sorbee711
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I've heard that the NVH on the subframe lock bolts is bad. Most people just use them for trackdays.
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Old 02-01-2003, 02:37 AM   #3
Kostamojen
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Folks ive talked to with the subframe locks say they didnt notice a thing. While the only person I know of with the Diff lock bushings said NVH is horrid!
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Old 02-01-2003, 02:52 PM   #4
wlelandj
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Quote:
While the only person I know of with the Diff lock bushings said NVH is horrid!
Man, I've been on a roll. <--Sarcastic I've only installed swaybars, strut-tops, v-brace, and subframe locks (no appreciable NVH BTW, though at first I thought I heard more of the exhaust being transmitted through the cabin, if that makes any sense. I'm used to it now). However, I bought the motorsport ALK's before I read the posts concerning NVH with just the sport models. NOW I hear the rear diff. lock kit causes an appreciable difference. I guess I'm in for a treat when I get these plus rest of my stuff (all of which will increas eNVH too)installed.
-Leland
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Old 02-01-2003, 03:42 PM   #5
teiva-boy
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Quote:
Originally posted by Kostamojen
Folks ive talked to with the subframe locks say they didnt notice a thing. While the only person I know of with the Diff lock bushings said NVH is horrid!
Yup I think "horrid" was the exact word I used for the rear diff bushing kit. But I must also state that I have STi engine and tranny mounts, kartboy shifter bushings, kartboy exhaust hangers, and now the whiteline rear diff bushing kit. All of which can be culprits to my NVH issue... Let's not forget upgraded rims/tires, exhaust, etc.

The whiteline kit single handidly made the car unbearable. Perhaps the bushings alone wouldn't do much as far a NVH, or perhaps it's the combination of my parts that attributed to it. Eitherway, they are out of my car for good! Good thing it was cheap part
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Old 02-01-2003, 05:15 PM   #6
LyveWRX
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Default Yep...

Yeah the bushings w/ the subframe bolts is really loud. However well worth it , the diff clunk was definately worse.

Nick
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Old 02-01-2003, 08:24 PM   #7
nhluhr
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what does it feel like to ONLY do the subframe lock bolts?
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Old 02-01-2003, 09:00 PM   #8
wlelandj
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Pretty much the same. A little more noise transmitted to the interior, i.e. the exhaust in my case. Not bad at all and I probably adjusted to it that same day to a level that I couldn't remember the difference. The driveline "clunk" doesn't seem happen as often. Every once-in-awhile when going over a big dip in the road, that really loads the suspension, I'll get a sound of metal rubbing metal as the suspensions rebounds (stock shocks and springs)
Suspension Items installed:
Cusco front and rear swaybars
Cusco front and rear strut-tops
Cusco rear v-brace
Whiteline subframe locking kit

Pile on the floor waiting to be installed:
STi front aluminum control arms
STi engine pitch mount
STi engine mounts
STi trans. mount
STi rear diff. brace
Whiteline motorsport ALK
Whiteline rear diff. locking kit
Whiteline steering rack bushing
Cusco rear trailing arms
Cusco (rear) front and rear lateral links

Items TBD:
Coilovers
Rev-Lab steering rack
wheels and tires

As you can see I'm in for hella NVH
-Leland
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Old 02-03-2003, 07:49 PM   #9
LyveWRX
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Where's the Kidney belt?


ne
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Old 02-04-2003, 12:49 AM   #10
joefocker20
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Well, with my lock kit on, I hear gear whine when accelerating, and downshifting from any gear..
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Old 02-04-2003, 10:59 AM   #11
nhluhr
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so the N is increased but the VH isn't significantly increased with the subframe lock kit??

Sounds like a foolproof way to spend $25...
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Old 04-04-2003, 04:09 PM   #12
Chin
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Where did everyone buy their Lock Bolt Kit? I think it would be a bit of a waste to spend more on shipping than the part like it is if I buy from Whiteline's website. Thanks.

Christian
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Old 04-04-2003, 04:47 PM   #13
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Old 04-04-2003, 04:50 PM   #14
Chin
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Excellent! Thanks RokketRide.

Christian
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Old 04-04-2003, 11:32 PM   #15
scrmblr2
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Default Another site w/ whiteline products

Just wanted to mention this site.
http://www.pdm-racing.com/products/subaru_corner.html
I have bought a few things from these guys over the years, used to have a 240sx, and although they are in canada, prices are pretty good, and their customer service is great.
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Old 04-05-2003, 02:07 AM   #16
Kostamojen
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PDM kicks arse! Ive had nothing but good experiences with them.
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