Par Gearbox Woes. Again

[33GTRV]

As the scenario goes so far..... I purchased a par 1-2-3 straight cut synchro gearbox nearly 18 months ago, since then it has seen the workshop 7 times, all gearbox out jobs. This workshop happens to be 650kms away, therefor i have to tow the car, on a trailer to these people, drop the car off then drive 600k's back home again, only to have to repeat the process again and again. Now, i thought it was all sorted, until just now. I had not driven the car in nearly 2 months, and this was the first time i have driven it hard since the last gearbox. I give it a good squirt in 2nd coming into the 100 zone, grab third, bank crunch no 3rd gear. I stop, and if i drive very lightly on the throttle i can engage thord, but as soon as u apply any sort of power, it goes bang crunch game over. Now, im at wits end, ive threatened legal action and basically been called an idiot for doing so and am now, once again, stuck with a car that does not function properly.

Idead, thoughts?

Cheers

[UWISSH!]

shouldnt have bought one in the 1st place, u just have to read the horror stories about these boxes.

there is heaps of threads on here about how bad they are.

i was looking into one n then did sum research on here, very bad reputation. thats y i decided on n os giken set, havnt had a single problem with it and its behind a 600HP motor

[Roy]

I was looking around at gearbox options including PAR and an independent person told me about the only bullet proof thing out there is Hollinger...from there I was told the other boxes are decent enough things but in particular you need to make sure you are running a solid centre clutch, it is desirable to run ignition retard on changes and the PAR is very sensitive to misuse....which opens up all sorts of questions and defeats the purpose of buying an uber box...you want it to be bullet proof...so i didnt bother.

[DVS JEZ]

you should get your money back and back charge them, my mates TX3 has had ALOT of issues too, he ended up going to a dog engagement PAR, his car is only used for drag racing but,

he had heaps of synchro issues too,

the PAR dog box has copped alot of abuse and has even gone back into 1st gear twice during 2 different drag runs (NOT GOOD)killed his motor the 2nd time and broke a driveshaft the 1st time.

[T04GTR]

one thing ive heard is that people seem to thing that as soon as its got straight cut gears its a dog box and smash the crap out of the synchros...

if its actually a dog engadgment box then yes. bang thru them.

but i did hear that the par tooling cannot cut a gear with synchro hub or dog face. requiring the dog or synchro face to be friction welded together and its the weld that breaks leaving a loss of drive.

[ezy_09s]

And another par box bites the dust...

yet people continue to use them

[33GTRV]

well, now looking at a long, drawn out shitfight and having to pay for a piece of equiptment that works. Looking at a hollinger or a modena unit atm. Suggestions, throw em, bear in mind that atm, it is in a sedate tune, i will be getting into the donk and forging and top ending it in the coming months/year

[UWISSH!]

What do u even use it for? Unless it's a dedicated serious all out track car a hollinger is over kill.

If it's a street cruiser then just get an os given box, I got 1 behind my 600 hp gtr with no dramas.

U have never said what it's used for or the power it's making

[33GTRV]

atm we have ditched some timing and boost out of it, due to the gearbox dramas and we are making 390 whp. when the tune is given the stick again it will see around 450-470whp. The car is driven on the weekends and does the hillclimbs and friday nights at the drags, when ever i get it working. But like i stated in the previous post, it will be getting built in the coming months/year with either a nitto or BC stroker kit and a top end job to suit.

As for the giken box, i know. People swear by them, but would you want a box designed primarily for street use behind something that sees regular hillclimb/khana/test and tune events?

Thats the question i asked myself and imo, the answer was no

[UWISSH!]

so twoogle running one for years doing 9's isnt enough to stand up to drags???? made 500kw on race fuel

ur going to spend 20 grand alone for the box, plus labour plus constant maintenance just for a casual race car.

if anything your better off getting a ppg dog box but even the full monty of that goes for like 13 grand full assembled.

my motor is built/ forged u name it with a t88 and yes it goes drag racing and is street driven also, i could never justify that amount for a weekend hack wana b race car

ask how many guys on here who race more than you do what they use and how well it stands up

[tricstar]

atm we have ditched some timing and boost out of it, due to the gearbox dramas and we are making 390 whp. when the tune is given the stick again it will see around 450-470whp. The car is driven on the weekends and does the hillclimbs and friday nights at the drags, when ever i get it working. But like i stated in the previous post, it will be getting built in the coming months/year with either a nitto or BC stroker kit and a top end job to suit.

As for the giken box, i know. People swear by them, but would you want a box designed primarily for street use behind something that sees regular hillclimb/khana/test and tune events?

Thats the question i asked myself and imo, the answer was no

mate I do all that plus,, with OS giken 1-5 , os triple plate, behind HKS2.8L 700hp at the hubs, never held back on any change in any gear,

you shouldn't be having problems with a gearbox at that power, a standard one will handle that.

[Deano 1]

mate with that kinda power you could get away with running the factory gtr box..... farout you need 500+ hp to start blowing big buckson Gearboxs....

[ezy_09s]

atm we have ditched some timing and boost out of it, due to the gearbox dramas and we are making 390 whp. when the tune is given the stick again it will see around 450-470whp. The car is driven on the weekends and does the hillclimbs and friday nights at the drags, when ever i get it working. But like i stated in the previous post, it will be getting built in the coming months/year with either a nitto or BC stroker kit and a top end job to suit.

As for the giken box, i know. People swear by them, but would you want a box designed primarily for street use behind something that sees regular hillclimb/khana/test and tune events?

Thats the question i asked myself and imo, the answer was no

There must be a million gtr's in the 300-330 rwkw region and stock gearboxes...if a par gearset is breaking at those power levels that is just f*cking laughable.

[Beer Baron]

I was looking around at gearbox options including PAR and an independent person told me about the only bullet proof thing out there is Hollinger...from there I was told the other boxes are decent enough things but in particular you need to make sure you are running a solid centre clutch, it is desirable to run ignition retard on changes and the PAR is very sensitive to misuse....which opens up all sorts of questions and defeats the purpose of buying an uber box...you want it to be bullet proof...so i didnt bother.

unfortunately troy is pretty much right. if you want a bullet proof box that you can really pluck gears hard and fast then your only real option is hollinger. yes they are $20K but for poor folks who've broken a few $6K-$8K PAR or PPG boxes suddenly that $20K looks good. the other thing is maintenance. if you use it hard it needs to be maintained regularly, even more so if it's dog engagement (I know yours wasn't), dog rings are a consumable and need regular inspection and/or replacement.

OS is not a bad option but the ratios are more suited to drag racing with a very tall first gear. There is no 'magic bullet'. I kind of agree with troy that the options are stock, or go all out and do the hollinger. you do get some good benefits for your money. it's a more compact box, it' 6 speed, it's sequential, it has fantastic local support and best of all they have great re-sale value. you could use it a few years, pull it out, get any wear items replaced and sell it for not much less than a new one. bear in mind that even the hollinger is not bullet proof though if you don't maintain it properly.

[Birds]

PPG or OS Giken are a much better option than PAR IMO.

Doesn't matter how strong the gearbox is, it still needs to be driven properly and well maintained. Smooth = fast.

[bigmikespec]

Is the R34 Getrag an option?

[Deano 1]

lol imagine breaking a 20k gearbox.... you would sit there and cry.... hahaha

[T04GTR]

thats why im saving up for a hollinger. ive got the "full monty" ppg atm. and havnt had any problems with it. ive pulled it down recently and has not needed anything yet. its done only 2000km but i wanted to see for myself.

but with the car being pulled done and re built i want to upgrade. people spent 20k on a motor no probs so its just a case of slowly saving up...

[Birds]

This is / these are going very cheap for what it is / they are:

http://cgi.ebay.com.au/SKYLINE-GTR-R34-Gearbox-GETRAG-6-SPEED-Transfer-/130481692536?pt=AU_Car_Parts_Accessories&hash=item1e61509f78

Might be worth converting to, even for the extra gear.

Or, as posted in another thread, a brand newie with conversion to boot:

http://www.skylinesaustralia.com/forums/topic/352636-getrag-transmission-conversion-kit-for-bnr32bcnr33/

[Beer Baron]

thats why im saving up for a hollinger. ive got the "full monty" ppg atm. and havnt had any problems with it. ive pulled it down recently and has not needed anything yet. its done only 2000km but i wanted to see for myself.

but with the car being pulled done and re built i want to upgrade. people spent 20k on a motor no probs so its just a case of slowly saving up...

yeah you know the deal. like you say people happily spend $20K on engine bits, or $10K on a paint job etc. From memory a full monty PPG with all the upgrade bits etc is $10-$12K by the time it's installed in a box and set-up. so the hollinger is not that big a step up, and don't forget with the PPG or PAR you have to sacrifice your own box too. where as with the hollinger if you have a working box you can sell it and put that $1K-$1.5K towards the price of the hollinger.