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Old 13-12-2007, 07:26 PM
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Charlie Chalk
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Default 'Dog boxes...

Quick question... Do you use/need a clutch for these



ta.
Old 13-12-2007, 07:34 PM
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yes just to select 1st
Old 13-12-2007, 07:36 PM
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Stavros
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When driving like a madman, no, driving normally, yes.

And trust me, from experience, on a daily driver, or even a road car full stop, you will HATE it.

Its fine driving fast, but stop start normal stuff dog boxes suck ass.

Keep your syncros, the tiny advantage a dog box gives you isnt worth it on a road car mate.
Old 13-12-2007, 07:37 PM
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Charlie Chalk
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Originally Posted by Stavros
When driving like a madman, no, driving normally, yes.

And trust me, on a daily driver you will HATE it.

Its fine driving fast, but stop start normal stuff dog boxes suck ass.

Keep your syncros, the tiny advantage a dog box gives you isnt worth it on a road car mate.
Not buying one, Just interested. Reading up on the PPG gearset and it gives a dog set option



cheers
Old 13-12-2007, 07:39 PM
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dog boxes are brilliant,but you must be able to change gear well to not damage one,takes a very aggresive driver to treat one correctly,definatly not for the road.
Old 13-12-2007, 07:57 PM
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We got a PPG one in the R33GTR.

As above said, treat it gentle and you will crunch the shit out of it and kill it dead quick, need to know how to use it.
Luckily I knew to be hard with it before id ever used one, so been ok in it.
Dont make it nice to drive normally tho!

And though you WILL fairly quickly get used to driving it hard, driving it in your average road conditions is horrible, i mean really horrible, enough to make you not want to bother going out for a drive.

Shame, as when really avin it, its mint, lol.

Competition car, yes, normal car, dont be daft.

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Old 13-12-2007, 08:06 PM
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H-pattern dog box, you use should the clutch for each change

Sequential box, normally fitted with shift cut, you dont need to use the clutch

S.
Old 13-12-2007, 08:15 PM
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Originally Posted by sas
H-pattern dog box, you use should the clutch for each change

Sequential box, normally fitted with shift cut, you dont need to use the clutch

S.
even with a h pattern dog box you dont need to use clutch you just have to be more forcefull with lever,also helps to drive one if you understand how inside of box work....

we fitted one to a customers car and he broke it with in 10 miles of leaving us
Old 13-12-2007, 08:40 PM
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Originally Posted by Gary @ APT
we fitted one to a customers car and he broke it with in 10 miles of leaving us
Wounded! How many Łk was that?
Old 14-12-2007, 06:59 AM
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the box was about 4k but lucky he only bent a selector arm,but still needed box to be stripped again
Old 14-12-2007, 07:57 AM
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Originally Posted by sas
H-pattern dog box, you use should the clutch for each change

Sequential box, normally fitted with shift cut, you dont need to use the clutch

S.
wrong,not sure where you got that from but its not correct at all.
Old 14-12-2007, 07:57 AM
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Originally Posted by Gary @ APT
the box was about 4k but lucky he only bent a selector arm,but still needed box to be stripped again
what make of gearbox?what car?
Old 14-12-2007, 08:01 AM
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im with tim,,, you dont need to use the clutch be it H or otherwise
Old 14-12-2007, 08:10 AM
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Horrible horrible things for anything other than absolute balls out driving.

I wouldnt even consider one on a road car
Old 14-12-2007, 08:19 AM
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Off the line yes...after that mine changes better and wears the dogs less with no clutch, up and down shift, but you do need to practice.....you do need to de-torque the engine slightly (with your feet)

With cheaper dog boxes people do tend to clutch down, but with an FFD or similar bang it down......
Old 14-12-2007, 08:41 AM
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Originally Posted by Cosworth Rallyesport
Originally Posted by sas
H-pattern dog box, you use should the clutch for each change

Sequential box, normally fitted with shift cut, you dont need to use the clutch

S.
wrong,not sure where you got that from but its not correct at all.

My information is based on experience.

When we had H-patten dogboxes in the Pug 306 touring cars we found out that the dog got knocked of the gears within one event when they didnt use the clutch, so we got the drivers to use the clutch! this ment the dogs would last 2 to 3 events.
When running touring cars with sequenshal boxes with shift cut the drivers dont use the clutch but the gears still last 2 to 3 events.

Again its subject to the driving style of the driver

Simon.
Old 14-12-2007, 08:46 AM
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I've driven a car with a sequential in it and its hard work

Not sure if that was me being afraid of breaking something as it sounds like you have everytime you change gear

Sequential gearbox and perfect gearing on ANY car makes it feel f**king ballistic though
Old 14-12-2007, 09:07 AM
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AlexF
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Dog gear boxes are for motor bikes and race cars

Old 14-12-2007, 12:46 PM
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Cheers, Like I said.. Im not buying one, Just wondered what it is
Old 14-12-2007, 12:51 PM
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If dog boxes are no good for road cars what are you ment to use in a big spec Escos?
Old 14-12-2007, 12:57 PM
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Mullet box

As long as your engine isn't producting MAD torque
Old 14-12-2007, 01:01 PM
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milkman Gary,helical straightcut
Old 14-12-2007, 01:10 PM
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And you will find with race cars with dog boxes when they are driving in the wet they will use the clutch to come down to stop the wheels locking up.

Some one correct me if im wrong
Old 14-12-2007, 01:37 PM
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I thought the mullet boxes were basically the same as dog boxes?
Old 14-12-2007, 02:12 PM
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No, mullet boxes are staight cut, not dog engagement although I think Bara is working on a dog box at the mo
Old 14-12-2007, 02:54 PM
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Originally Posted by krypton
And you will find with race cars with dog boxes when they are driving in the wet they will use the clutch to come down to stop the wheels locking up.

Some one correct me if im wrong
Well sorry i'd disagree, clutch in = no drive = no control, its a balance to prevent it locking up, but i'd rather have my wheels driving all the time....if i were coming down a long straight on gravel into a tight corner i'd be through the box with no clutch......slow it down on the brakes and via engine braking.....
Old 14-12-2007, 03:00 PM
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Originally Posted by Charlie Chalk
milkman Gary,helical straightcut
Shouldn't that be either helical, or straightcut as they are two different types of gear.
Old 14-12-2007, 03:03 PM
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Originally Posted by AquariousRS
Originally Posted by Charlie Chalk
milkman Gary,helical straightcut
Shouldn't that be either helical, or straightcut as they are two different types of gear.

Sorry I meant Syncro Straight cut
Old 14-12-2007, 03:25 PM
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Originally Posted by ian sibbert
Originally Posted by krypton
And you will find with race cars with dog boxes when they are driving in the wet they will use the clutch to come down to stop the wheels locking up.

Some one correct me if im wrong
Well sorry i'd disagree, clutch in = no drive = no control, its a balance to prevent it locking up, but i'd rather have my wheels driving all the time....if i were coming down a long straight on gravel into a tight corner i'd be through the box with no clutch......slow it down on the brakes and via engine braking.....
Ment to say on a circuit if that makes any diffrence? just was on one off the btcc programs one day
Old 14-12-2007, 03:30 PM
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Originally Posted by milkman
If dog boxes are no good for road cars what are you ment to use in a big spec Escos?
dog boxes are for fast gearchanges, something that dont really worry a road car (well too much,, the standard MT75 is SHITE at shifting)
Old 14-12-2007, 04:13 PM
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Originally Posted by milkman
I thought the mullet boxes were basically the same as dog boxes?
nothing like what so ever.
Old 14-12-2007, 04:18 PM
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Originally Posted by JonnyBravo
No, mullet boxes are staight cut, not dog engagement although I think Bara is working on a dog box at the mo
Jonny

Glebe do a straight cut one too, are the gears then what it says on the tin just straight and no H pattern

Excuse my ignorance folks..
Old 14-12-2007, 05:42 PM
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Originally Posted by ian sibbert
Originally Posted by krypton
And you will find with race cars with dog boxes when they are driving in the wet they will use the clutch to come down to stop the wheels locking up.

Some one correct me if im wrong
Well sorry i'd disagree, clutch in = no drive = no control, its a balance to prevent it locking up, but i'd rather have my wheels driving all the time....if i were coming down a long straight on gravel into a tight corner i'd be through the box with no clutch......slow it down on the brakes and via engine braking.....
im with ian on that 100%, no matter what the surface tbh
Old 14-12-2007, 05:46 PM
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Originally Posted by staffi
Originally Posted by JonnyBravo
No, mullet boxes are staight cut, not dog engagement although I think Bara is working on a dog box at the mo
Jonny

Glebe do a straight cut one too, are the gears then what it says on the tin just straight and no H pattern

Excuse my ignorance folks..
your getting confused here mate, the way the box engages gears inside the casing 'synchromesh' i.e std boxes - mullit, some straight cut close ration i.e quaife road boxes, then you have non synchro = 'dog' engagement no synchros just dog rings or dog gears.

the 'h' pattern bit is how it selects its engagement method you can have single 'h' and double 'h' where the gears are laid out from the stick in a 'h' pattern, the alternative 'sequential' where you have to select each gear in turn sequentialy funnily enough !!
Old 14-12-2007, 07:01 PM
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Originally Posted by Cosworth Rallyesport
Originally Posted by Gary @ APT
the box was about 4k but lucky he only bent a selector arm,but still needed box to be stripped again
what make of gearbox?what car?
was a ppg in a skyline mate
Old 14-12-2007, 07:06 PM
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Originally Posted by Gary @ APT
Originally Posted by Cosworth Rallyesport
Originally Posted by Gary @ APT
the box was about 4k but lucky he only bent a selector arm,but still needed box to be stripped again
what make of gearbox?what car?
was a ppg in a skyline mate
sorry gary,i though you meant a ford box,ive no experience of skylines so cannot comment,i thought you were going to say r+d or quaiffe.
Old 14-12-2007, 07:22 PM
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Originally Posted by Gary @ APT
Originally Posted by Cosworth Rallyesport
Originally Posted by Gary @ APT
the box was about 4k but lucky he only bent a selector arm,but still needed box to be stripped again
what make of gearbox?what car?
was a ppg in a skyline mate
Gary, do you and Christian deal with PPG? Im after there gearset for a GTiR after the new year at some point
Old 14-12-2007, 07:46 PM
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if it was a 300 bhp in a rally car with rally tyres on i would never clucth any dog box but 4x4 with slicks on track with high power i would always clutch cause something will brake somewhere
Old 14-12-2007, 07:56 PM
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Originally Posted by andrewg
if it was a 300 bhp in a rally car with rally tyres on i would never clucth any dog box but 4x4 with slicks on track with high power i would always clutch cause something will brake somewhere
do you clutch changing up as well andy?

mind you you have a R+D dont you? so i can understand you being nervous about breakages


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