Register or Log In To remove these advertisements. |
|
|
|
Thread Tools | Display Modes |
02-06-2014, 02:22 PM | #1 |
Account Suspended
Join Date: Oct 2012
Location: here
Posts: 2,408
|
Opinions requested....
John Lee, 65 SBSS, 250 I6 (mid 70 block), 3000 miles new.
I6 manifold with only one vacuum port, below the carb, outside, center. As ya know, been chasin some leaks....most notably rear main on this new reman engine. Installed new felpro double lip rear main, still leaked.....found I had the PCV backwards and partly plugged breather, fixed it and the leaks essentially quit. However, new power brakes are teed off the PCV line about 4 inches up from the manifold. Since I only have one manifold vacuum port (noted above) and I'm concerned the total signal to the pcv is potentially less as the brake booster refills directly from the pcv line.... Bought the fittings today to create a T at the manifold vacuum source. For now will hook PCV to one side, brake booster to the other. Opinion time: 1. Is there potential for greater signal to both systems having them plumbed at the source of manifold vacuum? 2. Does teeing the brake booster down line from the manifold source (i.e. between pcv and manifold) reduce performance of the PCV system? (especially at high speed/load and hence under conditions of reduced vacuum) 3. Both PCV, Booster and Manifold use 3/8 fittings. Does it make sense, sharging a common fitting at the manifold to restrict the port size of the nipple to the brake booster. (i.e. factory 67 had these sources separated on either side of the manifold but I need to temporarily share one port) If so, perhaps sleeving the booster niple to 1/8' diameter to smooth out signal in the pcv side as the booster refills? |
Bookmarks |
|
|