Ms3 cam braking issues.

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Jul 5, 2010 | 08:40 PM

Lt1Powerz

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Ms3 cam braking issues.

I know someone out here has to be having the same problem... I have my car up and running and driving now after my build, ms3 cam, tsp 2.5 5.3 heads, full bolt ons, ls6 intake... yaddah yaddah yaddah... Now my brake pedal is so stiff i almost have no brakes... I know someone has to make a pump of some sort to tap into my brake booster and solve that issue? I already tried to tap into my air pump but that only helped a little bit, my cam is pulling all my vacuum out of my booster...

Any ideas?

Jul 5, 2010 | 11:57 PM

Adrenaline_Z

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From: K-W, Ontario

Get a vacuum canister, or reduce the preload (if adjustable rockers).

You can also advance the camshaft if you have enough PTV clearance
(measure it!).

Any, and all three of these ideas will improve vacuum.

Jul 6, 2010 | 12:56 AM

SILVER 2288 SS

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From: boaring place where theres more cows than people

im habing the same problem and i have a much smaller cam

Jul 6, 2010 | 07:35 PM

Lt1Powerz

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any specific brands of vacuum canisters better than others?

Jul 6, 2010 | 09:22 PM

00ssmg

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From: JOLIET

i would check for vacumm leaks first. there are a ton of guys running this set up and i have never heard of having this issue. take some vacumm reading and let us know what they are.