Straight cut gears/box options

Started by m1tch, August 24, 2011, 09:24:05 PM

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Grant Monkhouse

Quote from: kiwimazda;785654Back to the box
Quaiffe did from memory, a gear kit for the FC.
Also if you can find or make a bellhousing for a Mazda to type 9 ford box you could use a Sierra cosworth box with a straight cut close ratio kit or quaiffes own sequential box.

Do you mean something like this

http://www.rallydesign.co.uk/product_info.php?products_id=7254

Shame they\'re only rated to 190hp.

Ed_RX7

flippin\' \'eck....for that money a total waste of time IMO........OS ones fit in the FD and FC box apparently
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Grant Monkhouse

Quote from: Ed_RX7;785655
Quote from: Grant Monkhouse;785648I think he may just get a liberty box if he cant get a sequential.

Wil he not get a weight penalty using that though

kiwimazda

Quote from: Grant Monkhouse;785662Do you mean something like this

http://www.rallydesign.co.uk/product_info.php?products_id=7254

Shame they\'re only rated to 190hp.

Thats them. Higher HP ones are available if you go direct to quaiffe. Silverstone/lindop also said something about revs as well. They might be able to handle the bhp but not the revs.
I would contact Quaiffe direct and see if they will or do a FC kit.

As a side our RWD fiesta uses £14k worth of Tractive sequential box after wrecking 2 Drenth gearboxes in 2 rallys so spend wisely


Grant Monkhouse

I was thinking they should do higher HP versions as the I used to work for a company of which the owner also owned ginetta race cars and they use the quaiffe box for 3-500 HP cars.

However I do believe Mitch is looking for the \'cheap\' fix for a gear box. Maybe he should have thought about his goals before asking for the truth about how expensive a gear box can be to take HP and last a long time.

I would say that at a minimum Mitch you are going to be spending the best part of £1500 for a gear set, or you could just replace gear boxes at £150 a pop everytime you brake one?

Grant Monkhouse

Quote from: kiwimazda;785666Thats them. Higher HP ones are available if you go direct to quaiffe. Silverstone/lindop also said something about revs as well. They might be able to handle the bhp but not the revs.
I would contact Quaiffe direct and see if they will or do a FC kit.

As a side our RWD fiesta uses £14k worth of Tractive sequential box after wrecking 2 Drenth gearboxes in 2 rallys so spend wisely

Hehe, could I borrow your fiesta or a weekend ; )

Ed_RX7

Quote from: Grant Monkhouse;785664
Quote from: Ed_RX7;785655Wil he not get a weight penalty using that though


I suppose he\'ll have to really lighten the car then;):Thumbs-up
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Ed_RX7

Quote from: Grant Monkhouse;785678I was thinking they should do higher HP versions as the I used to work for a company of which the owner also owned ginetta race cars and they use the quaiffe box for 3-500 HP cars.

However I do believe Mitch is looking for the \'cheap\' fix for a gear box. Maybe he should have thought about his goals before asking for the truth about how expensive a gear box can be to take HP and last a long time.

I would say that at a minimum Mitch you are going to be spending the best part of £1500 for a gear set, or you could just replace gear boxes at £150 a pop everytime you brake one?


Fair Point!!!!
Edrx7Parts

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Grant Monkhouse

Quote from: Ed_RX7;785681
Quote from: Grant Monkhouse;785664I suppose he\'ll have to really lighten the car then;):Thumbs-up

Iv got a big grinder he can borrow for some chop chop chopity chop? ;)

antnicuk

like i said before,  get some power, then worry about it if you break a box
400 BHP - 650 KG\'s = 616 BHP Per Ton of Rotary Power

That\'s the way to do it! :Thumbsup!


BlitzBoy

I spoke to Quaife on the phone a few months ago, they dont warranty the power past 400bhp on their kits for the rx7.

Stock gearbox handles my power, they only break the input shafts on multiple hard launches due to metal fatigue caused by shock loading. For the road the stock FC/FD boxes seem to handle the power up to 600bhp, past that and if you have big torque like a 20B they tend to strip 3rd gear

There are quite a few drag cars in US and puerta rico, RX3s,Rx2s running stock FC gearboxes down into the 8s, they do modify them with faceplated gears.

But as Tony said get the power first then worry about the gearbox
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kiwimazda

Ah yes the wayward 3rd gear. Mine went in the westy a few months back. Kaaaboom.

TRIND-FD

Quote from: lee mills;784436according to his ad on fduk it was pointed out that it would only make 4_470bhp tops.
might be wrong but worth checking out with someone who knows more about turbos( ie Ed) before you sell your t88 as im sure you dont want to be making less power;):D

Just so you know, mitch was made aware of this before he purchased, and with a little research, he is quite happy, as only edd has said it would be nice on some internal measures and to see what\'s been done. But there are cars running this same turbo up to 1000hp in oz.  Just so you know im not trying to rip  him off,  Or anyone else who was interested, I told them to check with a expert.  :Thumbsup!  Any way back to the gearbox.

Buy Edds bits mitch , there shiny
V8 fd\'s rock :cool

lee mills

Quote from: TRIND-FD;785880Just so you know, mitch was made aware of this before he purchased, and with a little research, he is quite happy, as only edd has said it would be nice on some internal measures and to see what\'s been done. But there are cars running this same turbo up to 1000hp in oz. Just so you know im not trying to rip him off, Or anyone else who was interested, I told them to check with a expert. :Thumbsup! Any way back to the gearbox.
 
Buy Edds bits mitch , there shiny

Didn,t say you were trying to rip him off just suggesting that he checked out wether or not it would make more power than his t88 as  this was his ultimate goal:Thumbs-up