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11-22-2006, 02:32 PM
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#1
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Registered User
Join Date: Apr 2005
Location: Denton/Rockwall, TX
Posts: 2,125
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What caps to block off AIR on Pacesetter LTs
I am wanting to install my Pacesetter LT's this weekend and remove my AIR. What kind of a cap do I need for the headers? It will need a cap, I found one au Ace Hardware but it is made out of brass and I am aftraid the exhaust heat will melt the brass.
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96 TA M6 - Cammed with an oil leak 
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11-22-2006, 02:37 PM
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#2
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Registered User
Join Date: Mar 2006
Location: Haverhill MA
Posts: 2,315
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<< same ? here
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95 black z28 A4 3.23's..Moroso CAI, Trick Flow Elbow, Pacesetter Longtubes with 3" True Duals X-Pipe dumped, CPT Pro Race 4l60e, SS3600, LS1 Driveshaft, Prostars wrapped in et street radials...also weight reductions. NED- 12.49 @ 107.32mph 1.69 60ft  soon to come: !front bumber support, !AC, !EGR, !AIR, lightweight battery, VFN reg sunoco pin on hood, Chromoly adjustable LCA's w/relobrackets, SFC's
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11-22-2006, 02:50 PM
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#3
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Registered User
Premium Member
Join Date: Apr 2005
Location: Bellevue, Nebraska
Posts: 1,529
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It won't melt. I have the same brass fittings i found at menards. I put some RVT sealant on the threads before i screwed it on. As long as it fits, use it.
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1996 Z28 SS clone. A4,Black,Leather,All options,Hardtop
Pacesetter LT's,ORY,Trickflow elbow,NOS Holley 58mm TB,Moroso CAI,GMMG,DMH cutout,Dyno tune,!CATS,!AIR,!EGR,TB bypass,KBDDSFC's,Spohn Adj TA w/DS loop,SJM chromemoly adj LCA's and PHB,Strange 12 bolt with 4.11's,Pro Race 4L60E with 2800 stall.Dyno #'s 263.87hp 268.44ft/lbs.Best 1/8 mile time 8.419@81.92mph 1.796 60' on 315/30/18 BFG DR's at 3560lbs. In the works, procharged 383
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11-22-2006, 02:54 PM
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#4
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Registered User
Join Date: Apr 2005
Location: Denton/Rockwall, TX
Posts: 2,125
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Awesome, I guess I will give em a try. They are standard fittings and not metric, but they fit just fine. 
"You save big money at Menards!"
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96 TA M6 - Cammed with an oil leak
Last edited by 69gto96z; 11-22-2006 at 02:59 PM.
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11-22-2006, 02:57 PM
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#5
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Registered User
Join Date: Jul 2004
Location: Morrisville, NC
Posts: 3,018
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Quote:
Originally Posted by 69gto96z
Awesome, I guess I will give em a try. They are standard fittings and not metric, but they fit just fine. |
What size exactly?
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1995 Z28 - Forged 355, H/C/I - 430rwhp Sold!
2007 Trailblazer 4.2L FOR SALE
LT1 Cam Specs
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11-22-2006, 03:00 PM
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#6
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Registered User
Join Date: Apr 2005
Location: Denton/Rockwall, TX
Posts: 2,125
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I dont remember exactly, I was in a hurry. But I think they are 5/8"s. I will post back in here later when I go buy em and give the size.
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96 TA M6 - Cammed with an oil leak
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11-22-2006, 04:44 PM
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#7
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Registered User
Join Date: Oct 2006
Posts: 31
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you need a 5/8" standard flare thread cap it would be in a plumbing gas flare fitting. Anderson metals makes a good brass cap that isn't bulky at all. Support your local hardware store (true value)
Last edited by pddye11; 11-22-2006 at 04:50 PM.
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11-22-2006, 08:52 PM
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#8
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Registered User
Join Date: Apr 2006
Location: Lock Haven, PA
Posts: 149
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I cut the AIR tubing and took off the original nut type thing that screws into the header. Then I welded it shut and screwed it back in. Works like a charm!
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-Scott
1994 Trans Am-M6, full bolt on/full exhaust
Picture
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11-22-2006, 10:59 PM
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#9
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Registered User
Premium Member
Join Date: Apr 2005
Location: Bellevue, Nebraska
Posts: 1,529
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Yeah, I tried true value first, but supriseingly they didn't have it. So I went into Menards, I didn't know the exact size, so I just took my old manifold in with me and tried caps until I found one that fits.
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1996 Z28 SS clone. A4,Black,Leather,All options,Hardtop
Pacesetter LT's,ORY,Trickflow elbow,NOS Holley 58mm TB,Moroso CAI,GMMG,DMH cutout,Dyno tune,!CATS,!AIR,!EGR,TB bypass,KBDDSFC's,Spohn Adj TA w/DS loop,SJM chromemoly adj LCA's and PHB,Strange 12 bolt with 4.11's,Pro Race 4L60E with 2800 stall.Dyno #'s 263.87hp 268.44ft/lbs.Best 1/8 mile time 8.419@81.92mph 1.796 60' on 315/30/18 BFG DR's at 3560lbs. In the works, procharged 383
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11-23-2006, 02:33 AM
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#10
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Registered User
Join Date: Apr 2005
Location: Denton/Rockwall, TX
Posts: 2,125
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Yeah its a 5/8". I bought two caps, and one fit perfectly and this other one was just a little bit longer so I just used some plumbers tape on the threads and am hoping it bottomed enough to make a seal. I guess ill see by saturday, my header install is starting friday and will most likely take me saturday to.
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96 TA M6 - Cammed with an oil leak
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11-23-2006, 11:25 AM
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#11
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Registered User
Join Date: Mar 2006
Location: Haverhill MA
Posts: 2,315
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good luck on the install...im doin mine this winter/spring
__________________
95 black z28 A4 3.23's..Moroso CAI, Trick Flow Elbow, Pacesetter Longtubes with 3" True Duals X-Pipe dumped, CPT Pro Race 4l60e, SS3600, LS1 Driveshaft, Prostars wrapped in et street radials...also weight reductions. NED- 12.49 @ 107.32mph 1.69 60ft soon to come: !front bumber support, !AC, !EGR, !AIR, lightweight battery, VFN reg sunoco pin on hood, Chromoly adjustable LCA's w/relobrackets, SFC's
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11-23-2006, 11:33 AM
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#12
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Registered User
Join Date: Jun 2001
Location: Lawrence, KS, USA
Posts: 927
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Like everyone one else says, get the brass ones- they won't melt. I did the same with my Edelbrock headers about 2 years ago and they're still holding strong...
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