slave cylinder: boosted vs. not
#1
slave cylinder: boosted vs. not
Hello all,
Not exactly a true 993TT question, however, I plan on putting a G50 in my Tip 964. I have a bad ankle, so the lighter the pedal and shorter the throw, the better. I'm considering fitting the 993TT boosted slave cylinder. For those who swapped it for a standard slave, how might you rate the reduced force? Is the boosted force still a function of the pressure plate?
Thanks
Not exactly a true 993TT question, however, I plan on putting a G50 in my Tip 964. I have a bad ankle, so the lighter the pedal and shorter the throw, the better. I'm considering fitting the 993TT boosted slave cylinder. For those who swapped it for a standard slave, how might you rate the reduced force? Is the boosted force still a function of the pressure plate?
Thanks
#6
#7
If I were you, and luckily enough for you I'm not, I'd be leaving that 964 Tip alone. You'll probably run into problems and issues that will bury you, and eventually you'll have a car with reduced resale value. Love what you have, or sell it and get what you want. IMHO. And trust me here, I have no idea what I'm talking about.
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#8
#9
Did you get rid of the parts? I'm also in Vancouver, btw.
#11
He has a pump on his 964 but its capacity does not allow for the clutch circuit - the 993 Turbo uses a larger capacity pump I think with two pump circuits, one for the power steering and one for the clutch circuit.
This would involve a lot of screwing around and customization, non of which has any value and will actually hurt the value of your car. Then again, if you are willing to swap out the Tip for the G50, all the more power to yah.
How strong is your leg and what pressure is the maximum you want to deal with? Are you looking for a Honda Civic lightness, or can you go heavier.
Have you driven a 964/993 with a standard DMF/clutch (not the RS clutch) to see how it feels first? If that is too strong, the Turbo clutch circuit is lighter for sure, but its also designed to compensate for a heavier clutch, so putting it on a standard DMF would be interesting.
You will have to, after removing all the Tip stuff:
- likely upgrade the power steering pump
- upgrade the Pentosin reservoir near the pump
- install all the lines to the slave circuits, which include feed and return circuits
- install a new slave reservoir, slave cylinder, piping
- replace your pedal cluster with one that includes a clutch pedal
and I am sure there are a bout a million other things as well.
Cheers,
Mike
This would involve a lot of screwing around and customization, non of which has any value and will actually hurt the value of your car. Then again, if you are willing to swap out the Tip for the G50, all the more power to yah.
How strong is your leg and what pressure is the maximum you want to deal with? Are you looking for a Honda Civic lightness, or can you go heavier.
Have you driven a 964/993 with a standard DMF/clutch (not the RS clutch) to see how it feels first? If that is too strong, the Turbo clutch circuit is lighter for sure, but its also designed to compensate for a heavier clutch, so putting it on a standard DMF would be interesting.
You will have to, after removing all the Tip stuff:
- likely upgrade the power steering pump
- upgrade the Pentosin reservoir near the pump
- install all the lines to the slave circuits, which include feed and return circuits
- install a new slave reservoir, slave cylinder, piping
- replace your pedal cluster with one that includes a clutch pedal
and I am sure there are a bout a million other things as well.
Cheers,
Mike
#12
One thing to consider, if you convert without an assisted system, is the MPL Clutch Slave. They claim a 30% reduction in pedal effort. That mated to a non-assisted DMF could be a pretty light clutch. I posted a thread recently on the MPL.
Additionally, several 964 folks have used the MPL. It would be a whole lot less work!
Additionally, several 964 folks have used the MPL. It would be a whole lot less work!
#13
That is an excellent idea, had forgotten about the MPL system, it would make it much simpler. Again, it comes down to leg strength.
azander, do you see you leg getting weaker over time, or is it likely to remain constant?
Cheers,
Mike
azander, do you see you leg getting weaker over time, or is it likely to remain constant?
Cheers,
Mike
#14
Awesome, thanks very much. Indeed a lot of little things that will surely add up. I think the solution out weighs the others, such as a duck clutch (for the more disabled), etc.
The MPL slave looks nice, but doesn't it just increase throw?
I suppose the major hurdle is the powersteering pump capacity. If I separated the two systems; dedicate the existing pump to the slave and used a manual rack or an electric pump for the steering, perhaps that may work. Any thoughts?
The MPL slave looks nice, but doesn't it just increase throw?
I suppose the major hurdle is the powersteering pump capacity. If I separated the two systems; dedicate the existing pump to the slave and used a manual rack or an electric pump for the steering, perhaps that may work. Any thoughts?
#15
Just to follow up, my car has been converted to manual with a stock slave and RS Clutch/PP. I went stock to limit the question marks while doing the conversion.
The pedal weight is bearable for now. However, lighter would be even better for endurance and finesse. In other words, the setup is fine, but figuring this out would be the cherry.
Would it technically be feasible to replace the power steering rack with the boosted slave in the existing pumping circuit? Simply re-route the lines to the slave cylinder and figure out steering separately? How much pressure is required for the assisted slave? Can anyone recommend a specialist?
Thanks
The pedal weight is bearable for now. However, lighter would be even better for endurance and finesse. In other words, the setup is fine, but figuring this out would be the cherry.
Would it technically be feasible to replace the power steering rack with the boosted slave in the existing pumping circuit? Simply re-route the lines to the slave cylinder and figure out steering separately? How much pressure is required for the assisted slave? Can anyone recommend a specialist?
Thanks