Exhaust Dents,how Do You Remove them !!

headcoats · Post by **headcoats** » Sun Nov 25, 2012 12:25 pm

Been told put a self tapper in and heat area and pull out then weld hole up or pressurise pipe and heat again with an oxy !!

What can you use to seal the ends up so they don't send a rocket across the floor

What works

martin · Post by **martin** » Sun Nov 25, 2012 3:20 pm

I would,nt drill a hole martin.
I would tack weld a bolt or something were the dent is and use a slide
hammer to pull the dent out, then once dent is out, cut off the bolt or
rivet and then rub down the exhaust

headcoats · Post by **headcoats** » Sun Nov 25, 2012 3:32 pm

Sounds like a plan

You can't see the dents but was worried it may affect the performance of the pipe and looking at them bugs the hell out of me

How does the slide hammer fit to the bolt Martin ?

Been watching this $\:D/$

http://www.youtube.com/watch?v=vEyE8PibVDs

martin · Post by **martin** » Sun Nov 25, 2012 6:03 pm

never used a slide hammer before, so not sure how a pin/rivet or
similar would fit,
I reckon you will find it on the net, unless someone on here knows.

but I do think this is the best way

fred · Post by **fred** » Sun Nov 25, 2012 8:08 pm

if you tack a nut on the end of a bit of round bar this will join to whatever old allen bolts or stud you want to tack to the exhaust, and use whatever comes to hand for the sliding weight ,i knocked this up quick and only used it once

KR-1R · Post by **KR-1R** » Sun Nov 25, 2012 10:52 pm

.
.
you can make plates that bolts to the header flange and tail
in one plate install a shraeder (tyre valve)
(friend who did mine turned a header plug out of plastic)

so seal up the ends
pump in some air
heat local area with a welding torch
expansion, soft metal - pop out
(just remember if you are using compressed air it provides a possible dangerous combustion with oil-fuel residues that may be in the pipe with heat and pressure)

...basically similar to how GIBSONs are made (hydroforming)

fred · Post by **fred** » Sun Nov 25, 2012 11:30 pm

are the dents meant to be there or are from damage

are they stainless or mils steel

headcoats · Post by **headcoats** » Sun Nov 25, 2012 11:52 pm

They are stainless

good question,as far as i know the LC Lomas pipes usually mean the stand has to be removed and to me these pipes look like someoe has decided they want to keep the stand and attack the pipes

fred · Post by **fred** » Mon Nov 26, 2012 12:06 am

personally ide cut the dent out and weld in a new bit yer not going to pull that out,what material thickness are they ,i could roll a few blanks up oversize so you can get a local tig ladd to stich em in

headcoats · Post by **headcoats** » Mon Nov 26, 2012 11:15 am

Well just had a few emails with the main Lomas importer and yes the dents had been put there by the factory

They also claimed,they tested the dented and non dented back to back on the dyno and there was no difference

Here's pic

Uploaded with ImageShack.us

Bikemike · Post by **Bikemike** » Mon Nov 26, 2012 1:04 pm

Blimey, that "Factory" dent looks like it was done by a toddler with a sledgehammer!

headcoats · Post by **headcoats** » Mon Nov 26, 2012 1:09 pm

Bikemike wrote:Blimey, that "Factory" dent looks like it was done by a toddler with a sledgehammer!

I know

I said to them how can they make beautiful welded pipes and then do that to them :-&
Surely if it was a clearance issue they could have welded flats on

They are on the inside but it is still bugging me

375 · Post by **375** » Mon Nov 26, 2012 5:39 pm

Just put a bit of car body filla in there and pj1 black, job done

Still at least its factory finished with the ball end of a hammer

bryan350lc · Post by **bryan350lc** » Mon Nov 26, 2012 5:42 pm

thats a piss take!

headcoats · Post by **headcoats** » Mon Nov 26, 2012 5:55 pm

bryan350lc wrote:thats a piss take!

It certainly is and i think a bit of customer feedback is in order