Os Giken 5 Speed Vs Ppg Straight Cut/helical Cut Dog Gears Vs Sequentials

[Piggaz]

Flick Tom a email at PPG. He owns the ex PPG demo GTR and says the box has been in the car for 7 years, 40,000 kms and no issues/freshen ups. That's the helical 1-4 dog set.

How much do you value lightening fast shifts? Don't forget, that particular gear set, the ratios are substantially taller than factory (1-3).

[NXTIME]

??? Lol.

see post #73

[Piggaz]

see post #73

Oh right.

Nah, totally new products. Made in England I believe. Some new mob.

[NXTIME]

interesting...will have a chat to Terry when I see him next week.

[Piggaz]

They're not sequentials but. H pattern, 6 speed dog. Not too keen on being the "test dummy" for a new product but

OS88 option 2. Done!

[NXTIME]

It wouldn't be your first time

[Piggaz]

Definately not. Hence my shyness lol. It isn't bad all the time though

[JimmyRickard]

Flick Tom a email at PPG. He owns the ex PPG demo GTR and says the box has been in the car for 7 years, 40,000 kms and no issues/freshen ups. That's the helical 1-4 dog set.

How much do you value lightening fast shifts? Don't forget, that particular gear set, the ratios are substantially taller than factory (1-3).

Do you mean the helical or straight cut has tall ratios? If anything the GTR needs shorter ratios

[Piggaz]

Do you mean the helical or straight cut has tall ratios? If anything the GTR needs shorter ratios

They both have taller ratios.

Assuming a 265/35x18 tyre and stock ratios and a rev limit of 8000 RPM the speeds are as follow

Stock

1st - 75

2nd - 120

3rd - 180

PPG Helical and straight cut dog

1st - 89

2nd - 143

3rd - 189

OS GIKEN

1st - 87

2nd - 138

3rd - 190

[frostyboy]

Are the PPG helicals still dog engagement

Can you get synchro engagement?

[NXTIME]

Yes, you can get synchro or dog helical PPG sets.

[Al32GTR]

Hi does anyone know where I can get a shifter for a quaife/trust H pattern 6 speed dog box?

[NXTIME]

Quaife only make the first series bushed shifter, but that isn't any good in my opinion. You cannot really use the stock shifter as it breaks the plastic bush after selecting reverse a few times.

I am investigating weather or not the OS88 direct shifter will work, but I have my reservations as it is made for the forward-back two-way selection of the sequential and is probably too short for the 6 speed H-pattern.

Best bet would be to have one custom-made. I am getting one for mine custom-made soon...I can get two made if you like.

Alternatively, you could buy an Ikeya sequential shifter conversion...but they aren't cheap

[Piggaz]

Charlie, why not just buy the os88 shifter. There are two to choose from. A straight one or a bent one.

http://otomoto.mobile034.com/p/8548992/os-giken-os-88-direct-shifter-kit.html

[NXTIME]

The OS88 shifter won't have enough leverage to go across when selecting reverse (needs to be slightly longer).

I have an OS88 shifter that I will try to confirm this, but looking at it, it won't work. Selcting 1 - 6 is fine, it's the extra few mm needed to go across and up into reverse that is the issue. And the narrow reverse idler gear of the Trust box is prone to wearing out due to this (I just replaced mine due to this issue).

Plus, I would rather the rest of the OS88, not just the shifter

[Piggaz]

Ah fair enough then.

Are you still keen to order? I'm getting itchy and want to get the ball rolling ASAP

[NXTIME]

I just missed out on a slightly used complete option 2 kit at a top price the other week...pity the Yen is so much stronger these days.

Plus, OSG say 2 month wait but it is usually 4 months....and $$$ upfront

However, if there are a few together, it will apparently be quicker....

[Piggaz]

We know that, can't do anything about it.

I need to know if you're in with us or not that way I have a firm number to try and bargain with.

[NXTIME]

Will let you know by the end of the week. How many are in so far?

[Piggaz]

Michael hill and myself are in 100%

There are a few other guys that are maybes.