WTF why do exhaust nuts and bolts rust and corrode so bad?? No other bolts on the car rust this bad. Why dont they make them so they DONT rust and corrode? Is there a type of bolt that can be used that WONT do this **** so you dont have to take it to a muffler shop and have them cut off with a blow torch?

Ryan, who is flustered

 

would stainless steal nut and bolts work better

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by rated_r &raquo;</TD></TR><TR><TD CLASS="quote">would stainless steal nut and bolts work better</TD></TR></TABLE>

yep

 

they still get all shitty.

 

mine didn't. over 6 months since i put them on. I put on a test pipe yesterday without struggling to take off any rusted bolts

 

Put some anti-seize on and you will be golden. Don't worry about them backing out because the nut is sprung and has enough friction to keep it locked. I use anti-seize on all exhaust fasteners. Corrosion occurs faster on high temp parts.

 

you should use these

 

Is that a A/C Compressor bolt?

 

nice washer

 

i cut some bolts off the itr exhaust the other day

 

those are some expensive washers haha

what kinda bolt is that? like galvanized weatherproof super steel or something

 

can't you just get one of those small propane torches and heat it yourself?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RTW DC2 &raquo;</TD></TR><TR><TD CLASS="quote">those are some expensive washers haha

what kinda bolt is that? like galvanized weatherproof super steel or something</TD></TR></TABLE>

I believe those are cadmium plated. You can get those at Lowes. They offer good corrosion protection.

 

Move to California where corrosion is not a problem
When we get cars from back East, we usually end up cutting what is left of the nuts and bolts off if we have to do exhaust work

 

that's clever, sacrificial metals to prevent corrosion of the bolt.. very very smart man

 

Stainless steal nuts and bolts with antiseize and a little red rtv to cover the exposed threads if you want to get crazy.
Just peel off the rtv when you want to remove the bolt and the threads will be like new.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jiahanhao &raquo;</TD></TR><TR><TD CLASS="quote">that's clever, sacrificial metals to prevent corrosion of the bolt.. very very smart man</TD></TR></TABLE>

hmmm... care to explain more about the "sacrificial metal to prevent corrosion" comment? first time I've seen using a quarter for a washer.

 

If my chemistry class serves me right, there is what they call the activity series. This is basically a chart that shows different metals that range from very active to very stable. You have stuff like aluminum and copper on one end and stuff like platinum and gold on the other. What you want to do is put a sacrificial metal that is higher on the activity series next to the metal you want to protect. Since stuff like zinc is higher on the chart they actually corrode before the base metal does. By the time all of the sacrificial metal corrodes the car is either past the corrosion warranty, wrecked, or sitting in a wrecking yard.

 

I looks like he just didn't want to run to the hardware store to buy a washer.
Why would he use a copper base metal quarter as a sacrficial anode for a steel bolt?
He would have used aluminum or something higher on the chart.
Just like aluminum anode rods that go in your hot water heater at home to keep the tank from rusting.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by R134 &raquo;</TD></TR><TR><TD CLASS="quote">I looks like he just didn't want to run to the hardware store to buy a washer. </TD></TR></TABLE>
Exactly, it was like 11 at night and I needed to drive home

 

the most annoying part, is you can usually get 1 or 2 of the bolts off(in this case the cat), and its the LAST ONE that gives you problems, and its in the worst spot, on top of the cat by the O2 sensor.

 

that washer trick was pretty smart, but what did you use to cut through it, im curious

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jae di em &raquo;</TD></TR><TR><TD CLASS="quote">that washer trick was pretty smart, but what did you use to cut through it, im curious </TD></TR></TABLE>
drill f000


Modified by b cruz at 10:07 AM 4/27/2004

 

They make these cool things that you spin really fast and it cuts the metal away. Here is a pictures:

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jae di em &raquo;</TD></TR><TR><TD CLASS="quote">that washer trick was pretty smart, but what did you use to cut through it, im curious </TD></TR></TABLE>

Never heard of a drill?