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Custome Exhausts - A touch of madness- but it's a thought


Hybrid_From_Hell

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Hmmmm

My "Hunt" for an exhaust builder for the Eales / 90 goes on....and on...and on

Problem is finding anyone who :

Isn't Up 't North laaayke :P

Will do it the way I want

when I want - and not need it for ages and ages

Doesn't give me uneasy feeling that they prob won't do it right

Where I don't need to consider a new mortgage

or

That is worth the money re "all of the above" :ph34r:

So, am seriously considering DIY ing it :blink:

I also know a few others than would either help me via paying to borrow off me :)

....or worse still even getting me to do the work :(

Anyone have any links to exhaust type benders (which I think will have to be full mandrel types)

NOT fully auto ones ... that costs £££££s :ph34r:

But a "Manual Types"

Reasonable Value for money

That can have varying formers - I would need 1 7/8th 2.5 and 2.75 / 3.0 Inch ones

Anyone have any views / links / URLs info ?

Discuss & Help ! :lol:

Nige :o

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hpefully at some point (projects gona bit WW of late :lol: ) i want to have a go at filling the pipe i make my exhausts out of with sand and capping them, gotta be worth a try and should be reasonably cheaper than buying a manderal bender, also can you find a smallspring like you use for bending copper pipe?

Just my yorkshire tight ar$e brain trying to think of a cheaper alternitive :rolleyes:

Will.

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hpefully at some point (projects gona bit WW of late :lol: ) i want to have a go at filling the pipe i make my exhausts out of with sand and capping them, gotta be worth a try and should be reasonably cheaper than buying a manderal bender, also can you find a smallspring like you use for bending copper pipe?

Just my yorkshire tight ar$e brain trying to think of a cheaper alternitive :rolleyes:

Will.

Been there tried that (and other methods) didn't work properly

For some of the quotes I have had I think the £££s would go a long way to a machine :)

Just need to know which machine and from where :blink: and see if this idea is a runner

Nige

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You can buy quality pre-bent pieces on the net, 45's, 90's, 180's. Just buy, cut to where you need it and weld. There are even doughnuts for extremely tight radius bends.

Example, though I'm sure there are a lot of places selling this. http://www.woolfaircraft.com/prebent.php

Yep,

Ta for this Jetex and intersomething or other do these - the linky you've given is dmaned good but its trhe USA :( I know not impossible but tricky :(

I have thought and looked at these, plus have played with these in the past, prob is for what I want the bends are too limiting as are the sizes, if I do the exhaust its going to have to be bent up bit by bit as it needs to be quite complex - off the shelf bends sadly won't do it :(

Someone must have info stored on bending machines ? :ph34r:

nige

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It really is fairly easy making up something, complex or not. Just buy the bends and cut them off for less angle, you can weld them together for odd complex bends. I had to do this for my first VW TD exhaust in my Series as it exited right by the bulkhead, and needed a really tight bend that was more than 90 degrees, then needed to bend back towards 90 after a short straight section. Unfortunately I don't have pics of it up.

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I was reading a thread about bending your own exhaust with a regular rotary bender. It said that if you go reasonably heavy wall (2mm or so) and not too small on the bend radius, you can do it with a rotary bender (JD2 Model 3 or similar). A chap suggested making your own mandrel using a piece of steel cable threaded through alternate big and small washers. This lives inside the tube while it's being bent. When you're finished, you pull the cable out the middle and that allows the washers to fall out.

The last option is to use two smaller sections - perhaps use tdi bits which are fairly big diameter anyway. Regular V8 headers and down pipes, just keep them separate from the down pipes on back.

You can buy a 'proper' exhaust bending machine for about $7000 http://www.vansantent.com/

A few years back, there was a company at Billing who had one of these. They were importing them too - but they mainly just bought one for making their own exhausts. Can't remember who it was though!

Might be worth having a chat with Protection & Performance - they seem to be able to do just about anything!

Si

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A few years back, there was a company at Billing who had one of these. They were importing them too - but they mainly just bought one for making their own exhausts. Can't remember who it was though!

It was RPi, they did my snorkel with it on their stand.

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Nige,

This might not be helping much. But have a look down the bike (Harley) route. Local ish (Bradford) to me i found this guy. Made me a mandrel bent zorst for the same money about £50 more than a Rimmer special. 316 grade, been on 5 years, and still shiney.

Bit of a trip, but you must have a custom bike guy down your neck of the woods.

Check out (don't know how to make it clicky) http://www.zorstec.net/flash.htm

Oz

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H from H.

Practical Performance Car magazine have started a series of articles about 'How to Build a Performance Exhaust Manifold.

I appreciate this is only about a manifold, whereas you want a system, but there might be some crossover. The first article is in the February (current) edition, Page 97, and is about the design theory of primary lengths, etc. The technical referral is www.ojzengineering.co.uk in North Notts, so still not local to you, but you may not have visited the site before; it appears they do full systems.

Next month it is 'Selecting a design, choosing materials, and fabricating the collector'.

I've used JP Exhausts in Macclesfield for two full systems, on different cars. You have to book well in advance, but then they do it in one day. For you, there would be one overnight stay so you can be there for an 8.00 am start.

Good Luck

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I have thought and looked at these, plus have played with these in the past, prob is for what I want the bends are too limiting as are the sizes, if I do the exhaust its going to have to be bent up bit by bit as it needs to be quite complex - off the shelf bends sadly won't do it :(

Nigel, F1 headers are made from bits of straight and bend pipe welded together. If it works for them then it will work for you. Having said that, they are not your usual 6mm thick flavour!

Daan

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You want Specialised Exhaust in Mitcham, well they used to be in Mtcham I am told they moved to Reigate[?]

They do everything from yanks thru to vintage formula one stuff. The really complicated stuff is in fact sand

bent. I used to go to them if I needed mandrel bending done. If you buy bends don't get 180's rather than 2x90's

as the tube is real thin on the outside.

Couple of other places that come to mind straight away are:

mike the pipe, Croydon area.

Pipecraft, Lancing.

I am sure there are loads more local places.

Have you tried Bosal or walker, I did buy bends and tube from Ti and it was all catalog stuff and in a realy good range of sizes.

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Nige

Have you looked at Dolphin Sports cars and exhausts. I'll dig out the info I have on them. It's a couple of years old but I still think they are there.

Edit

Dolphin Sports Cars & Zero Exhausts 01233 646466 01233 638193

Here you are. Not sure which is the fax/phone number. Near Ashford in Kent. So more your neck of the world

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Oh Bottom :(

From here plus the post from Paul W some reasearch and digging about I am now certain that any mandrel bender suitable will be minimum £4000-5000 ohm, plus the tooling, due to the forces involved to bend with a slipper / mandrel they tend to be hydraulic, bigm, oh and piggin expensive, oh and huge.

ASo,

Thats out on so many fronts :lol:

Back to exhaust builders methinks, the system I need is going to be a pig, and a few bends and cutting and shutting won't do it, needs a proper job..

So, the hunt is still on for southern exhaust makers,

You want Specialised Exhaust in Mitcham, well they used to be in Mtcham I am told they moved to Reigate

Can't find them anywhere, anyone got a linky phone number ?

Mike the Pipe died around 4 years ago, he was superb, did my motorbike years ago, work of art B)

Anyone have any other exhaust specialist I can look at - or even ones to aviod !! ??

Nige

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Nige,

I read as far as the bit where you were trying to source pre fab'd angled stainless tube...

Try these guys, I used to use them in my Video Production career but was back on their site yesterday looking for the right bend to make my fuel filler talk to the tank. I'm not sure they'll have what you need but if they did you'd be doing well on the exchange rate.

http://radionics.rs-online.com/web/search/...t=62#breadCrumb

George

PS Check the rest of their wares, there's a phenominal range of gear there.

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