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  #1 (permalink)  
Old 06-06-2007, 03:44 PM
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Your right Craig! I know Paul G is his GT wants to put in a roll bar but as yet doesn't have one. He and the car are VERY quick! What do they do there???

I think a bit of a guidleine rethink is required..

I thought the reasons WAZZA's helmet only sat higher above the roll bar was due to the unusually large size of his swollen MELLON. His car would look funny with a hoop that big to give the 50mm clearance! (I'm waiting for a nibble :-))


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Old 06-06-2007, 04:06 PM
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I certainly applaud the requirement of race harnesses. A properly fitted harness will help in any type of track incident. And I'm really glad the Nationals committee are making that change.

A roll bar as fitted to a Cobra will only ever help in a roll over, it doesn't offer any side or frontal protection.

We have a few Cobras up here that have roll bars fitted that mount to the chassis in all 3 positions. They are made of thick enough material to comply. The cars already have race harnesses and some have race seats. But they fall down on not having 50mm clearance above the helmet. And they all go faster than the cut-off 11.99 time. These vehicles are regulary raced(monthly) by very experienced drivers.

I would really hate to see some of the fast drivers forced back onto their old street tyres just to be able to race at the Nationals. I reckon that would be even more dangerous. Especially with things like the old 15" T/A tyres that some have, certainly more of a chance of rolling one of those off the rims compared to their 16, 17 & 18" race tyres and that is a recipe for a bad accident and a good chance of a roll over.

The QLD Club has had a really strong response this year again for the Nationals and it takes a lot of work and dedication to get big numbers to make the trip to the nationals. I certainly fear these extra requirements might take the wind out of the sails somewhat, lets hope not.
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Old 06-06-2007, 04:13 PM
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Quote:
Originally Posted by spookypt
Your right Craig! I know Paul G is his GT wants to put in a roll bar but as yet doesn't have one. He and the car are VERY quick! What do they do there???

I think a bit of a guidleine rethink is required..

I thought the reasons WAZZA's helmet only sat higher above the roll bar was due to the unusually large size of his swollen MELLON. His car would look funny with a hoop that big to give the 50mm clearance! (I'm waiting for a nibble :-))


SpookyPT T T T T

It's not so much my noggin, but it's because I am unusually large in the crotch area, and it forces me up out of the seat a lot more than "normal' chaps.......by the way......are you bringing your lovely girlfriend along to the Nats this year ????
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Old 06-06-2007, 04:40 PM
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Default High in the seat.

Quote:
Originally Posted by Wazza
It's not so much my noggin, but it's because I am unusually large in the crotch area, and it forces me up out of the seat a lot more than "normal' chaps.......by the way......are you bringing your lovely girlfriend along to the Nats this year ????

Wazza, I have heard that "Depend" make a slim line nappy now. That might get your crotch down to the normal size.
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Old 06-06-2007, 09:12 PM
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Quote:
Originally Posted by Wazza
It's not so much my noggin, but it's because I am unusually large in the crotch area, and it forces me up out of the seat a lot more than "normal' chaps.......by the way......are you bringing your lovely girlfriend along to the Nats this year ????
Correct me please if I'm wrong but you have 2 cobra's and four sets of wheels?!?

Must be doing something right!
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Old 06-06-2007, 10:17 PM
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Quote:
Originally Posted by NASSTY
Correct me please if I'm wrong but you have 2 cobra's and four sets of wheels?!?

Must be doing something right!
Yeah,I know,

Stupid enough to be pouring a ton of moolah into just ONE Cobra.... but I HAD to have the race Cobra as well.

AND, On that subject of tipping cash down the drain......

Just arrived home from dropping off a gearbox at the workshop, and inspecting the new engine.....let me tell you what happened......


Only owned the race car a short time,and on only the third lap into a two day race meeting at Queensland Raceway.... and BANG...I managed to split the block.....yes....AGAIN.

i.e. I Split the block right down the middle/top to bottom a few years ago on the street Cobra, three days after I had completed the full build ,and installation of the 347 stroker, and this time the race car was split down through the mains.....no where near as dramatic this time.

However, the "all new" engine has been built over the last few weeks,

( 302 Windsor, Arias forged pistons, Crane cam, Scat crank, light weight flywheel, solid lifters, Heads re-machined,Romac balancer, Rollmaster double timing chain etc. etc. etc.....and bloody etc.)

and it looks like it will do the job.

HOWEVER.....

There's MORE !!!

Whilst installing it on Tuesday, and ready to bolt on the T5 Gearbox...

Upon closer inspection of the gearbox, we discover that it has MAJOR problems also !!!

Cluster shaft....Input shaft.....busted...teeth missing...etc. etc....and bloody etc.!!

It now seems that perhaps the engine split, may have been "assisted" by a gearbox detonating.

Fingers crossed....the T5 I picked up today will be bolted on, and all running, ready for the Dyno by the weekend.

Now the Street Cobra......

Just had a lot of money spent on it,( All new leather interior/boot etc)
now that it will be a semi-retired race machine, and this brings me back to the new regulations for the roll bars etc.

Not too keen on changing anything on the Black and Yellow beast, and consider it to be modified enough for the race track, without any more money needing to be spent on it.

The intention was to race both cars at the Nationals...so we'll see what happens.

Again...I know that the organizers are just thinking of the safety aspect, but I can assure you, the height of the roll bars is the last thing I'd be worried about.

The danger in driving the Cobras, is usually nothing to do with the possibility of a roll over.

Their low centre of gravity will simply make the cars slide sideways once they've reached their cornering limits.


There's plenty of other concerns...

Tank slapping,

Sliding sideways,

Lack of decent brakes,

Head and shoulders sticking out above the height of the doors,
with not much protection in the case of a side impact,

Poor brake bias,

Poor steering,

Poor suspension set ups,

Rock hard, rarely driven on ,tyres,

First time on racetrack,

Never really opened up the Car...didn't realize what a weapon it was,

Driving well beyond capabilities.

Sometimes I think that the fact that these Cobras are not the safest cars in the world, stops a lot of us from pushing our luck,and we learn very quickly that it's not worth it to push the limits too often.

I also hope that a roll bar doesn't make anyone think that they can push a bit harder, with a false sense of security.

I believe that those who are doing the sub 1.12s around Wakefield, all have a pretty good idea of what's needed and have all addressed the above list of dramas.

I think that it should be up to the individual owners to have their self preservation at the top of their list, and if you want to have a car that gets around the track at the faster times, you will already have covered all of the safety issues.

Making new requirements for those doing 1.12 or better is probably targeting the wrong participants....it would make more sense to make the new rules apply to everyone OVER 1.12........semi-serious....just trying to make a point of course.

Food for thought anyway,

Regards,
Warren.
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Old 06-06-2007, 10:52 PM
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Quote:
Originally Posted by Wazza
Only owned the race car a short time,and on only the third lap into a two day race meeting at Queensland Raceway.... and BANG...I managed to split the block.....yes....AGAIN.


Regards,
Warren.
Bugger! Is anything salvagable?
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Old 06-06-2007, 11:27 PM
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Quote:
Originally Posted by NASSTY
Bugger! Is anything salvagable?
Some of the spark plugs seemed o.k. !!!!

The heads...Carby, Inlet manifold...not much else was kept.

Not all of it was stuffed, but,
The old block was machined to 40 thou, so consequently the pistons were too big for another block, unless I machined them to the limit...and they were pretty standard pistons, standard small I beams etc. etc.
Once it was decided to Use new forged Arias, H Beams, the rest just "sort of" followed.

Old engine had hydraulic Lifters....decided to go Solid Lifters.
I know the new cam, because it's the same specs and brand now as my Black and yellow Cobra...it works well.

And on it went.......
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Old 06-07-2007, 05:06 AM
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Cool A $10 helmet for a $10 head.

ITS an old saying and rings true today I am not one to take safety lighly in fact i am almost obsesive about it .
The roll bar is probably the easiest thing to fit to a cobra so all you have to do is take it out get taller one bent up in the correct material and bolt it in . if you have a non structual rear brace you dont have to put a hole thru the body you just build up a mount from underneath to support it.
I know i make it sound easy but i knoe it will take a bit of work but dont you think you safety is worth it.
Think back 2 years to queensland raceway with the 2 rollovers coming off turn 3 they both were just unlucky for it to happen but it could happen to anyone of us.
I havent herd anyone boasting about winning lotto. but we all sure have had some bad luck.
The other issues like belts and seats are just as important.

spooky doesnt have to worry he has all the gear .

unlike most of you i have had some big crashes in speedway racing many years ago so i know how important good equipment is. if i had a video capture card i could put one up for you to see. it silenced the whole crowd when it happend. lucky i only had a few bruses and redeye.

I am definatly with Craig on the implementation time they could have told us at xmas at least. and yes i am fully booked up thank you.
And thats my 5 cents worth.
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Old 06-10-2007, 03:00 PM
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[quote=Wazza]Yeah,I know,


Only owned the race car a short time,and on only the third lap into a two day race meeting at Queensland Raceway.... and BANG...I managed to split the block.....yes....AGAIN.

i.e. I Split the block right down the middle/top to bottom a few years ago on the street Cobra, three days after I had completed the full build ,and installation of the 347 stroker, and this time the race car was split down through the mains.....no where near as dramatic this time.

Wazza,

I think I have found your problem with the splitting blocks...

You keep putting a smelly old Ford motor in...

I have searched the forum and can't seem to find a Dark side split block...
Maybe you should consider the Chevy alternative

Regards Mick
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Old 06-19-2007, 04:20 AM
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Well said wazza !

Just a note ont the GT40's. the roll bar requirement doesn't come into affect as the car has a roof .We had a breakfast run on Sunday and Geoff B even mentioned it, I'm pretty sure that this wont be a prob at the nationals.
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