lower vacuum on new motor with old intake - Team Camaro Tech
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post #1 of 3 (permalink) Old Jan 6th, 01, 07:18 AM Thread Starter
Join Date: Jan 2001
Location: Tomball, TX, USA
Posts: 1

I have been working with a couple of people recently whom swapped out their worn out motors for a fresh motor with a slightly more aggressive cam. Since this time we get errors specific to the smog pump system. The redirection valve works. The electronic sensor/vacuum switches are new. The manifold vacuum is 5lbs lower. I need a little bit more vacuum to get this puppy working correctly. I am playing with a few ideas right now. Any suggestions short of changing manifolds or cams?

jlgoodwin is offline  
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post #2 of 3 (permalink) Old Jan 6th, 01, 08:07 AM
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Join Date: Dec 2000
Location: Monroe, WA, USA
Posts: 312

trry puting a vacum bottle in linr befor the thermo sensors for the smog pump...it might co the trick, but..when you go to a high [ro cam nomaly kiss the smog stuff good by. the resion is in a high pro cam put more fuel and air into the motor...you normaly will not pass the sniffer teast with it. mos smog stuff like's vacum in the high teen's to the low 20's to work....but i have seen a vacum bottle help.
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post #3 of 3 (permalink) Old Jan 6th, 01, 08:10 AM
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Join Date: Dec 2000
Location: Monroe, WA, USA
Posts: 312

ohhhhhhh ya make modle and year..might help me find you a better answer.....
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