Jon Ison
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| posted on 11/5/06 at 03:10 PM |
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Is this too close ?
Before I start cutting an exit wound in the bodywork will I get away with the silencer this close too the wheel ? Its about 1 1/2", I can fit an
heat shield and the whole system will be wrapped, I really want a side exit this time as I don't want too spoil the airflow under and out the
back of the car thru the defuser etc...... Ive put a lot of work into this area too get a nice flat bottom and then a defuser under the engine diff
etc.......
Will help on track too with noise (drive by) as it exits on the opposite side too most noise meters on the tracks I can think of.
 
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Jon Ison
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| posted on 11/5/06 at 03:11 PM |
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How do you lot put two pics in one post ?
 
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The Shootist
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 posted on 11/5/06 at 03:14 PM |
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I wouldn't .....
Radiated heat could still be pretty bad after you shut down.
Would be a shame to have tire failures due to de-lamination of the plys.....
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zxrlocost
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| posted on 11/5/06 at 03:14 PM |
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dont know if it means anything john but when I rented MK's cat for my Indy it was much closer to the rear arch than that ie the tailpipe
but didnt seem to affect it at all just made it luke warm I had visions of all the arch melting etc
and your tyres get hot anyway
if theres not much movement should be fine
ta chris
but a tyre is more important than a wheel arch
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Jon Ison
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| posted on 11/5/06 at 03:17 PM |
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Not what I wanted too hear, when you come off circuit the tyres can be too hot too touch with bare hands I was hoping with a heat shield I would be
ok......
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DIY Si
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| posted on 11/5/06 at 03:37 PM |
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I'd prefer a bit of extra space. 1 1/2" seems too little if the exhaust moves a bit under load.
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Jon Ison
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| posted on 11/5/06 at 03:42 PM |
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The engine is solid mounted, as is the silencer.
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DIY Si
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| posted on 11/5/06 at 03:48 PM |
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Can the wheel move towards it at all? Since the shielding will take up some space, you'll probably have 1" of space left. Is this
sufficient to prevent excessive heating of the tyre?
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Peteff
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| posted on 11/5/06 at 03:58 PM |
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How much does the tyre "grow" under acceleration and at speed, I know they get taller. If it doesn't catch you should be alright.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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MkIndy7
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| posted on 11/5/06 at 04:47 PM |
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quote:
Originally posted by The Shootist
Radiated heat could still be pretty bad after you shut down.
Would be a shame to have tire failures due to de-lamination of the plys.....
Maybe you could put a Small fan to run on after you stop to keep the air moving past the tyre and exhaust?
Would take up very little size and weight, have no experience of this... was just a little idea.
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Jon Ison
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| posted on 11/5/06 at 04:55 PM |
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The answers are getting better, almost ready too annoy Martin and tell him, "engines there, silencer is there, join the two please"
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Avoneer
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| posted on 11/5/06 at 04:59 PM |
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Wouldn't the heat shield get just as hot and act as a radiator?
Exhaust rap the can - you could touch my headers on the Avon when they were hot and wrapped.
Pat...
No trees were killed in the sending of this message.
However a large number of electrons were terribly inconvenienced.
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mark chandler
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| posted on 11/5/06 at 05:05 PM |
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I can,t see a problem myself.
Tin tops have the exhausts within 1 1/2" of the floor pan and do not catch fire, blister the paint etc.
I,d not worry about it myself.
Regards Mark
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andyharding
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| posted on 11/5/06 at 05:46 PM |
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As long as it can't touch it will be fine.
Are you a Mac user or a retard?
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Avoneer
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| posted on 11/5/06 at 07:11 PM |
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Jon - though of a better locost solution.
Big hammer and dent in can!
Pat...
No trees were killed in the sending of this message.
However a large number of electrons were terribly inconvenienced.
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Jon Ison
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| posted on 11/5/06 at 07:15 PM |
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quote:
Originally posted by Avoneer
Jon - though of a better locost solution.
Big hammer and dent in can!
Pat...
 back too me banger days......
I think it should be ok, hole going in bodywork tomorrow so too late after that, its a big fat silencer and don't get too hot anyway........
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erwe
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| posted on 11/5/06 at 07:42 PM |
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Isn't it illegal to heat youre tyre this way??
Maybe an alli plate on a liitle distance which also cathes some air grom under the car.
Does this exhaust get hotter then 100 degrees? You tyres could have this...
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Howlor
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| posted on 11/5/06 at 08:14 PM |
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Press on regardless my friend. Exhausts are pretty cool that distance from the engine anyway. I've seen them much closer to flammable bits on
rally cars with no issues at all.
Steev
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iank
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| posted on 11/5/06 at 09:00 PM |
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OT putting 2 (or more) pictures in a post
First don't use the attachment doohickie under the text entry box.
Step 1: put the pictures in your photo archive (or on a website somewhere)
Step 2: Press the yellow button just above the entry box (picture of mountains and sun?) and type (or cut and paste) the picture location to specify
the picture.
In the photo archive grab the location from under the picture (it's [img ]upload/something.jpg[/img ] or somesuch) the location will be
http://www.locostbuilders.co.uk/upload/something.jpg
Step 3: Press as many times as you have pictures 
You can obviously put text between the pictures if you want.
Step 4: Press preview to make sure you got the locations right.
Once you are used to the [img ] stuff it puts in your text entry box you can type it in by hand if it's quicker. It looks more complicated than
it really is.
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