Classic with PPG gearing...opinions please
01 May 2007, 12:58 PM
#31
Are the 6 speeder Jap ratio's 1 to 4 much the same as an RA from a classic?
Or to be more accurate:
Type R box on 4:444/1 to 4th = Jap 6 speeder on 1:3.99/1 to 4th (ish)?
Daz: did you notice the extra weight at all?
Graham.
Or to be more accurate:
Type R box on 4:444/1 to 4th = Jap 6 speeder on 1:3.99/1 to 4th (ish)?
Daz: did you notice the extra weight at all?
Graham.
01 May 2007, 01:10 PM
#32
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T5OLF,
What broke on 5th ? I know of many cars running a PPG 1-4, & standard 5th gear, with well over 550bhp/ftlbs, and they have never broken the gear.
Early boxes do use a smaller woodruff key on 5th, and these can break.
As Floyd has said, you can just fit an up rated PPG 3rd-4th helical, or straight cut syncro kit,
Or, if you like it a little quieter, but also like drag racing, you can fit a straight cut 1st-2nd, and a helical 3rd-4th !!!
Either way, there are combinations to suit most people.
Mark.
What broke on 5th ? I know of many cars running a PPG 1-4, & standard 5th gear, with well over 550bhp/ftlbs, and they have never broken the gear.
Early boxes do use a smaller woodruff key on 5th, and these can break.
As Floyd has said, you can just fit an up rated PPG 3rd-4th helical, or straight cut syncro kit,
Or, if you like it a little quieter, but also like drag racing, you can fit a straight cut 1st-2nd, and a helical 3rd-4th !!!
Either way, there are combinations to suit most people.
Mark.
It broke the woodruff key on 5th gear and damaged both gears.
Andrew
01 May 2007, 05:06 PM
#34
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Loads of links to pics/videos etc here:
IOM Cars / XLR8 :: View topic - Manx Classic hill climb 2007
Kind regards
Andrew
02 May 2007, 02:30 AM
#36
Graham RE: weight.
I can honestly say that the only time i notice the difference in weight is when I am either taking it off or refitting the bugger.
I originally removed it from My RB5 about 6 months after Roger Clark fitted it.
This was to put it on the white turbo 2000 i have now.
Then I took it off again to get the fourth gear syncro problem fixed and obviously put it back on after the repairs.
The weight, when fitting the 6 speed gearbox with the height clearance of the car on axle stands and no one to help me, certainly becomes an issue then. However on the road you really don't notice it.
I guess its like when you have a car full of fuel and a near empty tank you dont notice the difference one bit.
The sum of all parts rule comes to play here i suppose. Indiviual weight saving techniques arent noticed much but slap them altogether and you have a different car altogether.
Daz
I can honestly say that the only time i notice the difference in weight is when I am either taking it off or refitting the bugger.
I originally removed it from My RB5 about 6 months after Roger Clark fitted it.
This was to put it on the white turbo 2000 i have now.
Then I took it off again to get the fourth gear syncro problem fixed and obviously put it back on after the repairs.
The weight, when fitting the 6 speed gearbox with the height clearance of the car on axle stands and no one to help me, certainly becomes an issue then. However on the road you really don't notice it.
I guess its like when you have a car full of fuel and a near empty tank you dont notice the difference one bit.
The sum of all parts rule comes to play here i suppose. Indiviual weight saving techniques arent noticed much but slap them altogether and you have a different car altogether.
Daz
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