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3.0 litre on 69 , do I need brake booster?

My 69 restoration almost being finished ! All the drive train, suspension and brake system came from a 79 donor ! No brake booster installed ! Is it going to be an issue ?
Thanks in advance for recommendations !
Kevin
Old 02-16-2018, 07:20 PM
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Old 02-16-2018, 07:22 PM
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My '72 with a hot rod 3.2 had carrera non power brakes and stopped fine. Just a tad more pedal pressure.
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Old 02-16-2018, 07:29 PM
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You are saying you are using the '69 master cylinder? That should be no problem.
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Old 02-17-2018, 10:43 AM
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yes its just 69 master cylinder ! thanks for the advice
Old 02-17-2018, 03:07 PM
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Also, I just retrofitted power brakes to my 75 because I've got a big honking motor in there and I wanted the extra stopping power.

It's a pretty involved job retrofitting the boosted MC that involves welding in the frunk among other things.
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Old 02-17-2018, 04:26 PM
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Quote:
Originally Posted by kevinghiani View Post
My 69 restoration almost being finished ! All the drive train, suspension and brake system came from a 79 donor ! No brake booster installed ! Is it going to be an issue ?
Thanks in advance for recommendations !
Kevin
As the others have said, no, stock is fine

But you may have the holy grail of non boosted m/c for A/S & M brakes.

Early '69 used a 20.5mm non boosted m/c that is pure gold.
Porsche # 901.355.012.04
ATE # 3.2120 - 3901.3

I haven't seen one in over 40yrs because the only replacements available are the more usual 19.05mm used from ~'69 1/2 through '76
Porsche # 901.355.012.02
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Old 02-18-2018, 07:15 AM
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Yes the master is from 69 as far as I remember ! Thanks
Old 02-18-2018, 05:14 PM
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