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#1 |
Loving the Jimmster
Join Date: Jun 2008
Location: Emmett, idaho
Posts: 575
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Manifold Gasket--Tips or Tricks??
Hi guys, i am getting ready to install the manifold on the 350. Last time i did this it was a nightmare. Took me three trys. Is there any tricks or tips.
Vance |
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#2 |
My Carbon Footprint
Join Date: Oct 2008
Location: Orygun
Posts: 5,527
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Re: Manifold Gasket--Tips or Tricks??
What was the nightmare? What took 3 trys? Did the manifold gaskets keep sliding down?
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#3 |
Next project: 1970 K10
Join Date: Feb 2004
Location: Fort Collins, Colo 80524
Posts: 6,685
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Re: Manifold Gasket--Tips or Tricks??
Intake manifold?
Use a 1/4" bead of RTV on the front and rear. Use a thin film around the water jacket holes front and rear, install the gasket and hold on place with a few bolts. Let it set for a few until the RTV starts to set up, then it will act like glue and hold the gaskets in place. Remove the bolts, then just set the manifold straight down.
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Bob 1970 Chevy K10 LWB "Goldie" 350/TH350 next project!! 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE Last edited by glock35ipsc; 06-18-2009 at 01:59 PM. |
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#4 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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Re: Manifold Gasket--Tips or Tricks??
The way I install mine is first make sure all the surfaces are clean and free of any grease or oil (read brake cleaner etc).
next I always put a small bead of RTV around the water ports on both sides of the gasket. Throw away the rubber end pieces that came with the gasket and instead lay a ¼" bead of RTV across the front and back of the block in their place and let it set up for 20-30min. Then put the manifold on and torque to spec being sure to use thread sealer on the bolts to prevent oil leaks. Akk glock types faster than I do.
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![]() ![]() 99 Pontiac S/C GTP, SLP Ram Air hood, GMPP Konis & springs 95 Neon ACR, MP PCM, AFX UDP, 3.0 CAI Last edited by neonlarry; 06-18-2009 at 02:03 PM. |
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#5 |
Next project: 1970 K10
Join Date: Feb 2004
Location: Fort Collins, Colo 80524
Posts: 6,685
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Re: Manifold Gasket--Tips or Tricks??
Hey, how come my 1/4" looks like 1/4" and yours looks like ¼"?
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Bob 1970 Chevy K10 LWB "Goldie" 350/TH350 next project!! 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE |
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#6 |
My Carbon Footprint
Join Date: Oct 2008
Location: Orygun
Posts: 5,527
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Re: Manifold Gasket--Tips or Tricks??
Just to add....if we are talking about the manifold gaskets, I like to use the blue stuff for the ends but I prefer the High heat "orange" RVT for the water jacket ends. It's a little thicker and you won't have to wait for it to set up. Do yourself a favor too...don't be afraid to climb into the engine compartment so you can lower the intake straight down. Especially with a small block....lots of room. You want good leverage and it's hard to get that leaning over the fender or grill. Install the bolts on both ends first. This way, if the gaskets has walked just a little, you can usually move it around a little with the bolt to re-center it. Make sure and re-torque/tighten your bolts after it has gone through a few heat cycles and use thread sealer or tape on the bolts. Some of the holes tend to go into the water jackets.
Last edited by prostreetC-10; 06-18-2009 at 02:09 PM. |
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#7 | |
My Carbon Footprint
Join Date: Oct 2008
Location: Orygun
Posts: 5,527
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Re: Manifold Gasket--Tips or Tricks??
Quote:
Because he hit the "quarter" key and you didn't! |
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#8 |
Next project: 1970 K10
Join Date: Feb 2004
Location: Fort Collins, Colo 80524
Posts: 6,685
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Re: Manifold Gasket--Tips or Tricks??
There's a quarter key???
![]() Oh, the Ultra Blue RTV is my fav too!
__________________
Bob 1970 Chevy K10 LWB "Goldie" 350/TH350 next project!! 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE Last edited by glock35ipsc; 06-18-2009 at 02:14 PM. |
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#9 |
My Carbon Footprint
Join Date: Oct 2008
Location: Orygun
Posts: 5,527
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Re: Manifold Gasket--Tips or Tricks??
Yes...it's in between the 1/8th and 3/8th keys!!!
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#10 |
Next project: 1970 K10
Join Date: Feb 2004
Location: Fort Collins, Colo 80524
Posts: 6,685
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Re: Manifold Gasket--Tips or Tricks??
![]() Sorry Vance, and now back to our regularly scheduled tech question...... ![]()
__________________
Bob 1970 Chevy K10 LWB "Goldie" 350/TH350 next project!! 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE |
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#11 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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Re: Manifold Gasket--Tips or Tricks??
For old keyboards like yours try Alt 0188.
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![]() ![]() 99 Pontiac S/C GTP, SLP Ram Air hood, GMPP Konis & springs 95 Neon ACR, MP PCM, AFX UDP, 3.0 CAI |
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#12 |
Loving the Jimmster
Join Date: Jun 2008
Location: Emmett, idaho
Posts: 575
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Re: Manifold Gasket--Tips or Tricks??
Cool thanks for all the tips, i am goin to install the oil pan gasket tonight and pcik up the manifold gasket in the am. ill let you all know how i did!!!
Vance 3/8 1/4 I dont have a quarter key!! |
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#13 |
Next project: 1970 K10
Join Date: Feb 2004
Location: Fort Collins, Colo 80524
Posts: 6,685
|
Re: Manifold Gasket--Tips or Tricks??
Found em! ¼ ½ ¾
__________________
Bob 1970 Chevy K10 LWB "Goldie" 350/TH350 next project!! 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE |
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