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Re: Vacuum pump?? [Re: reknapp52] #1559512 01/12/14 02:26 PM 01/12/14 02:26 PM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	Quote: FWIW--I have heard that for a vacuum pump to be effective, you need to install your crankshaft oil seals backwards? Only if you go above a certain point.. a lot of the seal companies say above about 14" to 16"hg but if the seal surface is weak then that point would be lower

Re: Vacuum pump?? [Re: MR_P_BODY] #1559513 01/12/14 04:58 PM 01/12/14 04:58 PM
Joined: Jan 2003 Posts: 2,924 A shed in England Tig master
Tig master Joined: Jan 2003 Posts: 2,924 A shed in England	Low tension, 0.043 ring package here with a 4 vane Moroso, 12 In/Hg max, maybe worth 0.05 on our combo IIRC. '74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials. 9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge. RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03

Re: Vacuum pump?? [Re: fishy340] #1559514 01/14/14 11:20 AM 01/14/14 11:20 AM
Joined: Jan 2003 Posts: 13,369 Marion, South Carolina [><] an8sec70cuda I Live Here
an8sec70cuda I Live Here Joined: Jan 2003 Posts: 13,369 Marion, South Carolina [><]	Quote: We didnt see much on the dyno,but i NEVER had any oil leaks ever They do seem to help w/ oil leaks. CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax

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