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  #1 (permalink)  
Old 02-15-2009, 09:02 AM
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Cobra Make, Engine: RMC . 393 Dart alloy block Stroked 351 alloy heads ..all the goodies plus a pre oiler. al
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What did you use to stuff the side pipes with ? I'm interested.
The reverse lights and reflector brackets are a clever attachment too
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Old 02-15-2009, 03:13 PM
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Inside the 4 inch sidepipes I have a 3.5 inch cat and a 2.5 inch hotdog. I tacked some perforated steel to the outlet of the the hotdog to hold my stuffing in. Inside it is a length (about a foot) of 1 7/8 tube with a cap welded on the end. The whole thing is stuffed with about 20 stainless pot scourers.

Basically, the exhaust gas has to squeeze through the equivalent of a 1/2 inch pipe.... then go through the perforated steel. This is the same on both sides of course.

Even though it's badly bunged up, it still goes ok...
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Old 02-20-2009, 12:32 AM
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Quote:
Originally Posted by Plums View Post
Inside the 4 inch sidepipes I have a 3.5 inch cat and a 2.5 inch hotdog. I tacked some perforated steel to the outlet of the the hotdog to hold my stuffing in. Inside it is a length (about a foot) of 1 7/8 tube with a cap welded on the end. The whole thing is stuffed with about 20 stainless pot scourers.

Basically, the exhaust gas has to squeeze through the equivalent of a 1/2 inch pipe.... then go through the perforated steel. This is the same on both sides of course.

Even though it's badly bunged up, it still goes ok...
Very good ! Mine was registered on gas to beat the new emission laws and I had it muffled down so much that I had to attach a vacuum cleaner onto the exhaust to get it to start. That only happened about 4 times but it was very funny. Start it, it fires, Jump out and disconnect the vacuum cleaner before it blew up. I couldn't run the engine too hard .too much backpressure

Last edited by Rob. Smith; 02-20-2009 at 12:41 AM.. Reason: add more info
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Old 02-20-2009, 01:23 AM
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The mirror meets the ADR so it should be ok.... I'll be in trouble if I have to mount it any higher

I went without the screen so I don't have to worry about wipers/washers etc.

Paul also went through Midland and said it was good, so fingers crossed for me!!!
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Old 02-23-2009, 09:40 PM
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I got my "Approval to register a custom built vehicle" letter from DPI yesterday... getting so close now I can taste it!!!!

My appointment for the pit inspection is next Tuesday, so fingers crossed I'll be cruising the streets in two weeks time (after some things fall off/out of the car and it magically lowers itself and a windscreen appears)....
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Old 02-24-2009, 05:39 AM
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Go Bobby!
Paul and I will be ready for a run as soon as you are.
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Old 02-24-2009, 01:51 PM
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Quote:
Originally Posted by Plums View Post
The mirror meets the ADR so it should be ok.... I'll be in trouble if I have to mount it any higher

I went without the screen so I don't have to worry about wipers/washers etc.

Paul also went through Midland and said it was good, so fingers crossed for me!!!
Hi Plums, do you intend installing the screen after rego or leave it off permanently?

Regards.
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