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Old 03-18-2009, 11:37 AM
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I'm installing an ms4 cam and was wondering if i will still have enough to run the power brakes. haven't heard of anyone needing a vacuum pump but was unsure and i figured i would ask. thanks
Old 03-19-2009, 01:05 AM
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come on guys. i thought a lot you were running the ms4. do u guys have vac pumps or storage canisters or do you need nothing because the engine still builds plenty of vac even with the cams(over17hmg)
Old 03-19-2009, 01:24 PM
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I'm running a Futral F-14 234 / 600 @112 and have no problems with brakes, etc - the tune does play a part in the vacuum you'll get.


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Old 03-19-2009, 01:30 PM
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thanks thats all i needed. my dad thought with hydraluic lifters would be alright to make enough vacuum but alot his knowledge is from the sixties and seventies when he was a mechanic and street raced with the older cars. If you a have ms4 please chime in though
Old 03-20-2009, 03:03 PM
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come on some else with an ms4 chime in please
Old 03-21-2009, 12:48 PM
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Whats up man its pete! It would be a good idea to install one, my buddy has a MS4 in his camaro and was complaining about the lack of brake assist, he put in a vacuum canister last week and now it is great! i drove it too so i can confirm this. You might be able to get away without having one but i definitely recommend it!
Old 03-21-2009, 01:11 PM
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thanks pete. I will definatley hit u in a few weeks when its installed. YOu can help make sure its up to gm specs. lol
Old 03-21-2009, 02:07 PM
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ms3 here without any problems at all. havent seen anyone with a ms4 running one or saying they needed to.




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