some protection to the underside

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some protection to the underside

by Fraz » Sat Sep 08, 2012 8:08 pm

Well since I sold the other SE6 and the engine was out along with the back sub frame of the other one. I thought may as well give it a wee clean up underneath before putting it all back together again

So I got started and in with the brush and some Auto smart G101, then I noticed a few small rust spots, so decided to get them treated and while I was at it go over the whole underside with some protection …Pictures are an after thought but I am sure you get the idea

So first remove all the fuel/brake pipes and they did need to be replaced as they both had started to corroded. So with them out the way I started with the wire brush on the drill and got the rust spots cleaned up. I then applied some of that rust beater stuff. After that I got some underseal mixed it with some new engine oil and coated the full underside. It was then allowed to dry for 24 hours and then another coat and allowed to dry overnight, while that was drying I also got the two plastic trims that fit at the bottom of the rear wheel arch off..they are now binned as they are just dirt traps. Te two holes are now blanked off with 2 rubber grommets

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With that done and the tank off, I got the fuel sender/pump housing off, though not that bad I cleaned that up and three coats of hammer rite and then some underseal on top of that once it was back in place, so hopefully that should be well protected for a few years or so

New fuel lines and brake pipes got fitted fuel lines are easy, brake pipes are a pain as they never go the same as the original, anyway got them fitted as best as I could. It was then Ray came through with some paint, so though not a perfect match it did look close, so away underneath again with a paint brush and got covered in it as well as the underside of the car, never had enough to do the full car but the arches look ok, only problem I was not taking all the fuel/brake lines off again, so tried to get around them, gave up and just painted the brake lines as well

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Towbar and some other bits also got done, with that done I did the front but after taking the foam sound deading off along the bottom (water dirt trap) and after running the brake pipes around the engine bay. I used some Bilt Hamber Dynax-UC on the inner wings and the engine bay itself, good thing about that is the UC part is under body CLEAR so if applied lightly its I just that …clear, I however used quite a bit on the back bulkhead and so it’s a wee bit yellowish there. Wheel arches also got done as well as under the inner arch guards and all around the front panels.

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Engine back in as well as the rear sub frame and did the parts that are not seen behind the rear bumper with the UC and a good coating of it as well

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Now its getting it all cleaned and some wax on it for the winter months
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Re: some protection to the underside

by Chavtastic » Sat Sep 08, 2012 8:53 pm

Good job all round - are you ditching the foam on the bulkhead? Looks like a water trap to me?
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Re: some protection to the underside

by v6 steve » Sat Sep 08, 2012 10:32 pm

Looking good mate, if theres any thing left to do when i get back ill come up and give you a hand if you want
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Re: some protection to the underside

by MadOnVaux! » Sun Sep 09, 2012 12:11 pm

Fraz wrote:I also got the two plastic trims that fit at the bottom of the rear wheel arch off..they are now binned as they are just dirt traps. Te two holes are now blanked off with 2 rubber grommets


What actually is the point of those trims??....you are right that they collect loads of dirt behind them and cause rust.

I presume they are some sort of aerodynamics, in the same way the rear undertray bit is?
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Re: some protection to the underside

by EddeyDancer » Sun Sep 09, 2012 12:13 pm

Well Done!!! :clap:
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Re: some protection to the underside

by Chavtastic » Sun Sep 09, 2012 5:37 pm

Oil cooler sandwich plate on my type-R burst the other day, so I've got waaaay more underside protection than you right now Fraz :mrgreen:
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Re: some protection to the underside

by James_Mould » Sun Sep 09, 2012 8:37 pm

Look good Fraz. I keep meaning to find time to do this as I've got a couple of rust spots on the underneath of mine.
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Re: some protection to the underside

by craigyboy » Mon Sep 10, 2012 11:10 am

Alot of good work going on there Fraz :clap:
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Re: some protection to the underside

by GreyDJ » Mon Sep 10, 2012 2:50 pm

Chavtastic wrote:Good job all round - are you ditching the foam on the bulkhead? Looks like a water trap to me?

Generally it is only the bottom 2 to 3 inches of the foam that turns into a water trap and that looks as if it has already been cut off!
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Re: some protection to the underside

by Allys Cally » Mon Sep 10, 2012 3:00 pm

looking good mate, when can i bring mine up for you to do :mrgreen:
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Re: some protection to the underside

by Fraz » Mon Sep 10, 2012 7:02 pm

GreyDJ wrote:
Chavtastic wrote:Good job all round - are you ditching the foam on the bulkhead? Looks like a water trap to me?


Generally it is only the bottom 2 to 3 inches of the foam that turns into a water trap and that looks as if it has already been cut off!



Yes due to the lip along the bottom pf the bulk head, the foam sits there and the dirt and water cant really go any place ...at leats this way with the protection of wax the water will run off the upper foam and then just escape, or I can jet wash along there during the car washing

Allys Cally wrote:looking good mate, when can i bring mine up for you to do :mrgreen:



sure mate ...bring it over ...took me 6 weeks yours should be ready in time for billing....depnding on weather
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Re: some protection to the underside

by crinklebender » Thu Sep 13, 2012 8:49 am

what a minter...ready for another 20 years.

Im testing a 3 phase corrosion and prevention treatment from US on mine that uses a final epoxy non porous blackseal. touted to be better than Por15 multi-stage treatments.

It is sticky stuff. Normal rust prevention comes of my hands in a few days. This stuff was still there 10 days later.
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Re: some protection to the underside

by GreyDJ » Thu Sep 13, 2012 10:16 pm

crinklebender wrote:what a minter...ready for another 20 years.

Im testing a 3 phase corrosion and prevention treatment from US on mine that uses a final epoxy non porous blackseal. touted to be better than Por15 multi-stage treatments.

It is sticky stuff. Normal rust prevention comes of my hands in a few days. This stuff was still there 10 days later.

What is it called?
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Re: some protection to the underside

by crinklebender » Fri Sep 14, 2012 3:31 am

GreyDJ wrote:
crinklebender wrote:what a minter...ready for another 20 years.

Im testing a 3 phase corrosion and prevention treatment from US on mine that uses a final epoxy non porous blackseal. touted to be better than Por15 multi-stage treatments.

It is sticky stuff. Normal rust prevention comes of my hands in a few days. This stuff was still there 10 days later.

What is it called?


KBS 3 stage. You can get a small size test pack from ebay which will go a long way. Not enough for an underside though.

http://www.kbs-coatings.com/kbs-three-step-system.html

Im testing it on the impossible. rusty wheel arches, which usually cannot be sorted. Did one arch the regular way: grind, clean, Krust and fill. The other one with KBS six months ago. The KBS one has held up, while the other one is starting to bubble again, wait and see what happens over the winter though.
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Re: some protection to the underside

by Robs-se » Fri Sep 14, 2012 9:20 pm

Looking good, wish i had the time and resources to do mine :(
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