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Author
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Topic: vacuum question
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89Saleen310
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Member # 5397
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posted
 
 
OK well i just got everything back together i got a rebuilt 302 .30 over and i also got a b cam in it. While i had everything apart i installed rear disc and cobra fronts but now it seems like i don't have any vacuum and am having a killer of a time pushing down on it. Any suggestions on how to get more vacuum out it also i have a 93 cobra upper intake so if i could plug it into a port with more vacuum that would be cool too. just need suggestions.
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89 Saleen #310
64 1/2 coupe
73 mach 1
73 vert
66 vert
65 vert
67 coupe
67 coupe
66 coupe
Posts: 1128 | From: Oakland Hills (montclair) | Registered: Feb 2005
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
You probably need the Cobra power brake unit...The stock fox power brake unit(big round thing behind the master cylinder) doesn't work well with the 4 wheel disc and Cobra front calipers...
It's been I while since I fucked with one, but ask maybe someone who's done the Cobra swap will chime in....
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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mnstruc
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Member # 5652
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posted
When you installed the Cobra brakes, did you guy out the distribution block? If not, that will cause a problem. The B cam should not affect your vacuum output at all, so make sure you don't have a bad check valve as well.
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63 Fairlane 500
65 GT-1 Mustang Race Car
67 Mustang A code Coupe
68 Ranchero GT
72 Bronco Sport
03 Mustang GT
07 F-350 4x4 Dually Diesel
Posts: 95 | From: Sunnyvale, CA | Registered: May 2005
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89Saleen310
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Member # 5397
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posted
i ran a vacuum check and i had 12inchs of vacuum what exactly is this distributor block stuff and help would be perfect. I can't figure out at all why i don't have any
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89 Saleen #310
64 1/2 coupe
73 mach 1
73 vert
66 vert
65 vert
67 coupe
67 coupe
66 coupe
Posts: 1128 | From: Oakland Hills (montclair) | Registered: Feb 2005
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lxlaw
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Member # 7547
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posted
I agree, the B cam should not have vacuum problems.
Posts: 49 | From: Odem, TX | Registered: Apr 2007
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