Has anyone tried this? I read about these for restomods and AI says it's being done with 07K swap cars but I can't really find anything about this for our cars. One guy that was doing an EV swap into his 944 said it was nearly a direct swap with only having to shave down a bolt by about 1/8".
https://www.bosch-mobility.com/en/solut ... n%20roads.
Bosch iBooster
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PSU_Crash
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Sounds like a great product, especially on the turbo cars. Any idea what the price tag is?
'86 Zermatt Silver 944 N/A 
'86 Mitsubishi Starion - Purpose built SM class Autocross car
'87 Chrysler Conquest - Mid LS Swap
'86 Mitsubishi Starion - Purpose built SM class Autocross car
'87 Chrysler Conquest - Mid LS Swap
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Jotronic
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400 to 500 USD from what I've seen on their own but a website I originally found based on an Instagram ad sells model specific kits and universal kits. Most of them are for muscle car and older American cars and the kits are just under 1,000.PSU_Crash wrote: Mon Mar 02, 2026 6:35 pm Sounds like a great product, especially on the turbo cars. Any idea what the price tag is?
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walfreyydo
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So this is an electrically controlled brake booster. Typical for EV swaps or similar plug in hybrid vehicles that dont have an ICE engine running all the time that can provide vacuum for the booster.
The questions you would need to overcome would be how to get it to fit to the current bolt pattern of the 944 oem brake booster (potentially already solved), how to run brake lines to/from and how to control/power it.
I assume this is being explored because 944 brake boosters and master cylinders are extremely expensive and/or hard to find? Probably provides a better "feel" and adjustability as well
The questions you would need to overcome would be how to get it to fit to the current bolt pattern of the 944 oem brake booster (potentially already solved), how to run brake lines to/from and how to control/power it.
I assume this is being explored because 944 brake boosters and master cylinders are extremely expensive and/or hard to find? Probably provides a better "feel" and adjustability as well
89 S2 Variocam, Megasquirt DIYPNP
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Jotronic
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Yes, it's fully electric. The advantages are numerous in that it frees up more space, which is at more of a premium on turbo cars. Eliminates the need for vacuum lines therefore reducing potential leaks. Cost is not that much of an advantage since the costs are similar to OEM but the final advantage is that you can dial in your pedal feel to your tastes.walfreyydo wrote: Tue Mar 03, 2026 9:41 am So this is an electrically controlled brake booster. Typical for EV swaps or similar plug in hybrid vehicles that dont have an ICE engine running all the time that can provide vacuum for the booster.
The questions you would need to overcome would be how to get it to fit to the current bolt pattern of the 944 oem brake booster (potentially already solved), how to run brake lines to/from and how to control/power it.
I assume this is being explored because 944 brake boosters and master cylinders are extremely expensive and/or hard to find? Probably provides a better "feel" and adjustability as well