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removing engine undertray

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Old 18 December 2012, 01:56 PM
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the shreksta
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Default removing engine undertray

can i run my car everyday if i remove my undertray? some of the clips are broken and i find it a pain in the **** to remove every time summat needs doing underneath

car is a 54 blob wrx
Old 18 December 2012, 01:59 PM
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zippy!
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Yes mate a lot of people take them off anyway
Old 18 December 2012, 01:59 PM
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the shreksta
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Originally Posted by zippy!
Yes mate a lot of people take them off anyway
so it wont cause any problems then?
Old 18 December 2012, 02:07 PM
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No mate 99% of scoobys I work on have not got them

Last edited by zippy!; 18 December 2012 at 02:09 PM.
Old 18 December 2012, 02:44 PM
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carlstoke63
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Default Undertray

Hi mate I took mine off it was fine then I was coming up the motorway and the **** guard ripped off and caused a lot of damage because I didn't have the Undertray on the wind got under the **** guard under the wing and ripped it off bending my wing and leaving the **** guard on the m6 somewhere so I would replace it
Old 18 December 2012, 02:58 PM
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Myles
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Mine has been off at least 18 months with no problems at all. Famous last words.
Old 18 December 2012, 03:02 PM
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carlstoke63
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Default Tray

Yeh but I was giving it some beans when it happened wing got under it and ripped my arch and mudflat of I now it won't happen again

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Old 18 December 2012, 03:28 PM
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Bristol98
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Classic STis only have two tiny little ones either side of the rad, not a full undertray anyway. (At least mine has and I assume it's standard).

Last edited by Bristol98; 18 December 2012 at 03:30 PM.
Old 18 December 2012, 04:27 PM
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Some people take them them off and others leave it on. I sit in the leave it on camp, it protects your engine from stones and other bits of debris and also helps to make the underneath of your car flat and smooth.
Old 18 December 2012, 04:35 PM
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Not advised to keep it if you have tubular headers as there is a possibility of fire due to minimal clearance.
Old 18 December 2012, 04:43 PM
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JohnnyBlaze
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You can get new clips off eBay.
Old 18 December 2012, 07:51 PM
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Removed mine more than 5 years ago after the headers as above melted them. Havent had any problems. do make sure the gearbox cover is removed or clipped up properly as that may catch some drag.
Old 18 December 2012, 09:05 PM
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cobra_mark
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My undertray ways a little wobbly but after a clip and 4 of the plastic rivets the remaining screws hold it on we'll. I figure if Subaru fitted it here is a pretty good reason so I vote on keeping it.
Old 16 April 2013, 08:43 AM
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Originally Posted by carlstoke63
Hi mate I took mine off it was fine then I was coming up the motorway and the **** guard ripped off and caused a lot of damage because I didn't have the Undertray on the wind got under the **** guard under the wing and ripped it off bending my wing and leaving the **** guard on the m6 somewhere so I would replace it
Could someone translate for me please.

My engine under tray was removed at a previous service and, apparently, replacing it was forgotten. I'm now wondering if it is worth going back to get it refitted.
Old 16 April 2013, 08:52 AM
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pjarvis6666
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I was wondering this the other day when I did an oil change. I suppose it keeps all the crap and elements away from moving parts (less corrosion I think). but when you have an oil leak you wont see it till last minute
Old 16 April 2013, 10:41 AM
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Bob99
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I wrapped my headers because they started to melt my undertray but kept the tray because it works with the bonnet scoop to direct airflow back over the gearbox for cooling.
Old 16 April 2013, 10:45 AM
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Your car will run fine without one mine came off about 7 years ago same no adverse affects what so ever,just better coolingSJ.
Old 16 April 2013, 01:39 PM
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mine is in emmaroids back garden........
Old 16 April 2013, 02:22 PM
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Given how smooth the undertray is compared to a rough engine bay, I'd say you're going to create more turbulence under the engine bay (and further back), which will:

a) increase drag, which is bad for fuel economy
b) slightly ruin handling
Old 16 April 2013, 02:24 PM
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Originally Posted by Henrik
Given how smooth the undertray is compared to a rough engine bay, I'd say you're going to create more turbulence under the engine bay (and further back), which will:

a) increase drag, which is bad for fuel economy
b) slightly ruin handling


mine runs the same without it although the engine gets a bit dirtier now.

i would keep it on if i could but now i have a fmic and a few other mods it wont fit anymore
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