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Home > For Sale > Jack Knight Box Invelute

AV-R Technologies

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Guildford Surrey

Jack Knight Invelute dog box with Mk 5/6 clutch plate LSD ex Turbo challenge for sale
complete with 3.9 semi helical crown wheel and pinion,central oil pick up ready to go.
All good nick £1295.00 INC VAT AND CARRIAGE. also loads of specialist tools just ask,



http://www.avonbar.com


turbo22

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wisborough green west sussex

any engines?


minimark

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newcastle

what specialist tools are included in the price??

Everyone knows that instructions only have to be read if the thing doesn't work....


Scruffy

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Seaford Rise, South Australia




On 23rd Sep, 2008 minimark said:
what specialist tools are included in the price??


An imitation Kevin Keegan comforter you mad geordie cabbie!!! LOL

On 5th Sep, 2011 Vegard said:
I stand corrected. You should know *wink*



Sam

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Oxford

Why did this pop up when i just brought my crank...

bugger now skint once more.

On 19th Feb, 2011 Miniwilliams said:
OMG Robert that's a big one


Vegard

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Chief ancient post excavator

Norway




On 24th Sep, 2008 Sam said:
Why did this pop up when i just brought my crank...



If it popped up when you brought your crank I guess you would have seen it...

On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem.



Paul S

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I might be interested in this.

What sort of torque rating would this box have?

Would it handle the power from a 200+hp 1293?

Is it close or standard ratios?

Edited by Paul S on 24th Sep, 2008.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


Paul S

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I now realise after a bit of research that this is a silly question.

On 24th Sep, 2008 Paul S said:

Is it close or standard ratios?


They are either close or ultra close.

Either way, I don't think that it will suit our strip warrior.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


Jimster
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455bhp per ton
12 sec 1/4 mile road legal mini

Sunny Bridgend, South Wales

I think it would be perfrct paul

Team Racing

On 15th May, 2009 TurboDave said:

I think the welsh one has it right!


1st to provide running proof
of turbo twinkie in a car and first to
run a 1/4 in one!!

Is your data backed up?? one extra month free for all Turbo minis members, PM me for detials


Paul S

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Even with a 2.31 first gear and a 3.1 or 3.4 diff.

The 3.9 would be too low for top end speed.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


AV-R Technologies

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Guildford Surrey

At that price all you need do is buy a new crown wheel and pinion and you would still be quids in!!.Not ultra close, but is as we used on the challenge cars.



http://www.avonbar.com


AV-R Technologies

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Guildford Surrey

Yes cheque is alright call me 01279-873428 and I will send it up by carrier.I found a spare new set of collets to go with the grinder.Lucky you.

Only 3 s/h engines and heads suitable for exchange or re-building.



http://www.avonbar.com


AV-R Technologies

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Guildford Surrey

If your engine pulls a true 8500 that is 124 mph + depending on tyre size!



http://www.avonbar.com


AV-R Technologies

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Guildford Surrey

and I used a 3.9 for sprints at Goodwood and I still hold the standing lap record so how fast do you think you will go??



http://www.avonbar.com


Paul S

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On 25th Sep, 2008 Avonbar Racing said:
and I used a 3.9 for sprints at Goodwood and I still hold the standing lap record so how fast do you think you will go??


I'm expecting peak hp at 6500rpm from a turbo 5 port. So a 3.44 diff would be better. I'll just check that I can get an LSD crown wheel and pinion in that ratio or close.

EDIT: 3.46:1 available from Minispeed at £270 gulp.

Also found that one guy on here found the 3.9 limiting on quarter miles.

Edited by Paul S on 25th Sep, 2008.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


Vegard

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Quarter miles and circuit racing are two different kettles of fish.

On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem.



AV-R Technologies

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Guildford Surrey

Hmmm Yes I see the dilemma.Our Turbo cars would run almost 9k on Silverstone GP circuit.a 3.9 or 4.1 should be spot on for 1/4



http://www.avonbar.com


AV-R Technologies

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just a point of interest we used to use a 4.3 with 1.04 drops for the Brands Hatch short circuit to do low 52 sec a lap in my old S. and that was in 1979/1980!!



http://www.avonbar.com


Paul S

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The car we are building is primarily for drag racing, although it will also go round corners.

Gearing is critical to get the car off the line quick and through the traps at maximum bhp.

To match peak power to the expected terminal speed of 110-120mph you need a 3.4 diff.

A 3.4 diff and a 2.31 first gear on a low CR high boost turbo is going to bog off the line.

This is a great gearbox for circuit racing, no doubt, but I think I'm better off building up a box using a clubman gear set and an ATB LSD.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


Jimster
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455bhp per ton
12 sec 1/4 mile road legal mini

Sunny Bridgend, South Wales

I've got 2.31 1st, 3.44 diff, and my car never bogs off the line,

Team Racing

On 15th May, 2009 TurboDave said:

I think the welsh one has it right!


1st to provide running proof
of turbo twinkie in a car and first to
run a 1/4 in one!!

Is your data backed up?? one extra month free for all Turbo minis members, PM me for detials


Paul S

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Formerly Axel

Podland

On 25th Sep, 2008 Jimster said:
I've got 2.31 1st, 3.44 diff, and my car never bogs off the line,


HaHa, I thought that may be a controversial statement.

But are your 60fts any good?

Edited by Paul S on 25th Sep, 2008.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


Jimster
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9407 Posts
Member #: 58
455bhp per ton
12 sec 1/4 mile road legal mini

Sunny Bridgend, South Wales

2.2 is my best on road tyres, not the best, but not bad

Team Racing

On 15th May, 2009 TurboDave said:

I think the welsh one has it right!


1st to provide running proof
of turbo twinkie in a car and first to
run a 1/4 in one!!

Is your data backed up?? one extra month free for all Turbo minis members, PM me for detials


iain
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Sold the turbo and seeing what the C20XE can do!

Near Lincoln

i'm guessing it was me that you found was limited by the 3.9 drag racing?!

basically, yeah i was on the rev limiter before i finished the quarter at 7k i think it was, and thats 100mph on 10's. rough and mean anyway.

I'm thinking though it will be perfect for a hillclimb but i could of done with longer legs for the 1/4 mile.


iain
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Sold the turbo and seeing what the C20XE can do!

Near Lincoln

and that was with garbage 60ft's... 3s or higher!


Paul S

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Formerly Axel

Podland

On 25th Sep, 2008 Jimster said:
2.2 is my best on road tyres, not the best, but not bad


Not bad? That's as good as any on here.

Decisions decisions decisions. £1500 ish including the 3.4 diff.

Edited by Paul S on 25th Sep, 2008.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."

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