oil sump guard installation - Alfa Romeo Bulletin Board & Forums
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post #1 of 21 (permalink) Old 05-24-2017, 04:57 AM Thread Starter
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oil sump guard installation

Hello,

I'd like to install an oil sump guard on my 82 spider and have questions. I cannot find a way to access the top of the two bolts that receive the front of the guard, which are the same bolts that hold the sway bar in place. I wonder if I can simply unscrew the nuts off the bolts, install the guard, and tighten things up. Is this how the guard is mounted or do I need access to the top of the bolt?

Also, I noticed that while the front end of the guard runs fairly flush along the bottom of the oil pan, the rear end bends and turns to pick up threads in structure behind the sump. But that bend actually reduces ground clearance. Has anyone tried cutting a guard in half, front to rear, and just install the front of the guard to the two front mounting bolts? It seems to me that it's the front of the sump that would take the hit. Not sure I need the extra weight and the reduced ground clearance of the back half of the guard. Any thoughts?
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post #2 of 21 (permalink) Old 05-24-2017, 06:20 AM
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Yes, it does hang down below the sump and thus reduces ground clearance. But if the sump itself takes a hit it will likely be ruined. Unlike a sheet steel sump (which might bend or be dented) the cast alloy sump will break.

- - Eric
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post #3 of 21 (permalink) Old 05-24-2017, 06:21 AM
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Those should be hex-head screws, not studs.

That used sump guard is probably bent and is going to be a real chore to install.

Sump guards lower the ground clearance of your car. That makes it more susceptible to hitting something. Those things only provide a false sens of security.

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post #4 of 21 (permalink) Old 05-24-2017, 06:49 AM
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Brian is correct regarding the mounting location. The proper location has been moved. Your photo is upside down but the threaded hole inboard is where the threaded bolt should go. The bushing is too far outboard. If your Alfa is not lowered you can probably get by without a guard. Since the sump sits a couple inches forward of the tires, the guard was originally used to prevent damage in the event of striking a curb during "head in parking".
I have personally struck a large rock which did significant damage to the guard, not the sump. Track use, even club events, can lead to off course excusions. I have seen sumps disfigured by manhole covers.
So, if primarily touring, then the guard may not be needed. If you are aggressive, maybe it's a good idea.
Cheers, Jon

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post #5 of 21 (permalink) Old 05-24-2017, 06:51 AM
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And if you hit something hard enough, the sump guard itself can tear out of the body, taking the front sway bar mounts with it. I don't like them myself.
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post #6 of 21 (permalink) Old 05-24-2017, 07:10 AM
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Wow! That was nasty!

JC de Koeijer

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post #7 of 21 (permalink) Old 05-24-2017, 07:12 AM
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That's a friend's 74 Spider. He claims to have hit a parking curb thing at parking speed. I have my doubts. I fixed, but dang was it a lot of work.
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post #8 of 21 (permalink) Old 05-24-2017, 07:38 AM Thread Starter
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True, they can be more trouble than they are worth. I know there are a lot of people out there who don't like using them. I just happen to have one lying around and some extra time on my hands so I thought to try it out. So the guard doesn't mount to the sway bar bolts but to those threaded holes? It seems to line right up with the bolts.
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post #9 of 21 (permalink) Old 05-24-2017, 08:07 AM
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It mounts to the sway bar bolts. From the photo it looks like the brackets have been moved from the original holes. There should be upper and lower threaded holes for the brackets.
Cheers, Jon

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post #10 of 21 (permalink) Old 05-24-2017, 08:19 AM
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On Spiders, there is a big hole next to the body sway bar mounts. When the nutplate inside the box strips out, which is common, folks often drop a bolt through there as a substitute. GTVs and Berlinas don't have the hole.
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post #11 of 21 (permalink) Old 05-24-2017, 09:27 AM Thread Starter
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There may have been some modifications to the car. I think the PO added the lower valence from an older car and may have done some light structure changes. I'm guessing that is why I can't see the top of the sway bar bolts as they are buried in the framework. So yeah, the brackets may have been moved. Debating whether or not to remove those nuts and try to mount it. Also, one of the bolts may have a stripped thread towards the end. Could just go for a drive instead.
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post #12 of 21 (permalink) Old 05-24-2017, 10:20 AM
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Post #10 is there any other info on the procedure you talk of? I think mine is stripped.
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post #13 of 21 (permalink) Old 05-24-2017, 11:05 AM
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Quote:
Originally Posted by Beerman73 View Post
....is there any other info on the procedure you talk of? I think mine is stripped.
useful thread here (excuse the pun)

http://www.alfabb.com/bb/forums/spid...ent-point.html

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post #14 of 21 (permalink) Old 05-24-2017, 01:09 PM
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Quote:
Originally Posted by Sfizio View Post
There may have been some modifications to the car. I think the PO added the lower valence from an older car and may have done some light structure changes....the brackets may have been moved....Also, one of the bolts may have a stripped thread towards the end
Let's see, you have a used sump guard, which it's PO probably sold because it is bent. You have a car that has been modified, holes stripped. Hmm...

I'm guessing that mounting that sump guard to that car is going to be a bear. Maybe the two wrongs will make a right, but it sure never works that way for me.

Quote:
Could just go for a drive instead.
Yea, I like that approach better. As others have suggested, sump guards can cause problems as well as solve them.

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post #15 of 21 (permalink) Old 05-24-2017, 07:44 PM Thread Starter
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Thanks Dom for that thread. That picture of the sway bar bushing mount is most helpful. Helps
to understand what Andrew is saying. @Alfajay, Yeah not crazy about the guard because it reduces ground clearance and gives that false sense of security. That;s why I thought about modifying it by cutting off the back end and just covering the front of the sump, where it's profiled tight against it, while removing the back end that just adds to the detriment. I don;t know. Gonna have to dream about it for a while.
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