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Quick question to everyone>> How many of you have removed the engine underbody panel for better cooling, as is recommended?
Obviously, the trade-off would be protection of the engine casing and other undercarriage parts.
Obviously, you're relatively new to the 993 Forum so I don't want to come off as being snarky but your question is as old as "What oil is everyone using?" Please use the "Search" function for "Engine Undertray" or similar description. You'll find plenty of discussion ad nauseum. Most of us have removed the undertray but some seem to think "If Porsche put it on the car, then it must be correct".
My car's tray has been resting in the rafters of my garage as long as I have owned the car. Makes oil changes easier.
It does protect the underbrush from being set on fire from the hot exhaust system.
Something one only encounters off-road or if they back over a pile of leaves in the street in the fall.
Andy
Obviously, you're relatively new to the 993 Forum so I don't want to come off as being snarky but your question is as old as "What oil is everyone using?" Please use the "Search" function for "Engine Undertray" or similar description. You'll find plenty of discussion ad nauseum. Most of us have removed the undertray but some seem to think "If Porsche put it on the car, then it must be correct".
@NC TRACKRAT - fair point, I should have searched the forum before posting my question....my bad.
@NC TRACKRAT - fair point, I should have searched the forum before posting my question....my bad.
I think its not a bad thing to resurrect old topics now and again. New members may not have thought about this and so may not even know to search in the first place. They may not even realise the car has one!
For my part here in the UK we do not have the heat issues that some of you guys have in the US, so removal for extra cooling is not really necessary. Also we have a lot of crud on our roads and the tray really helps in that respect. It also catches minor oil leaks My old one was in bad shape so I replaced it a few years back with a nice straight one. They are easy to remove and replace as long as your fixings are in good condition. Otherwise doing the clips up can be a real trial.
Come on, guys, are you worried we will run out of ones and zeros?
This is a forum, not a reference library. Forum: a public meeting place for open discussion.
When a new member asks a question, instead of telling him search is his friend (in other words, STFU, newbie), why not give him an overview on the topic and point him to a thread or two that would be helpful?
(BTW, if you search for underbody panel, you get 33 results, which would probably lead you to realize that the common term is undertray. Then if you search for undertray, you find 421 results.)
Mine is, actually no idea where mine is, I took it off 16 years ago. I think it is in the back of one of my garage closets but I may have lost it in a move. Can't recall the last time I saw it and have had no issues with it being off
A long time ago I recall reading that the under tray was also used to reduce noise.
Specifically the Swiss noise regulations were becoming more strict, so the tray helped there as well as aerodynamics etc.
The factory spent some effort engineering these trays in order to reduce lift at the rear, and that is how they referred to them internally, see here:
The yellow marked text translation is: the under engine reduces the rear lift force. In German they say rear axle lift force. The title says measurements of achieved aerodynamic improvements, or aerodynamic resistance.
This has been discussed on Rennlist many times before.
Anyway, put your trays back on folks. They're there for a good reason!
03-23-2020, 09:50 PM
Engine Underbody Panel
My old one was in bad shape so I replaced it a few years back with a nice straight one. They are easy to remove and replace as long as your fixings are in good condition. Otherwise doing the clips up can be a real trial.
