aluminum intake installation
#60054
05/20/08 08:25 AM
05/20/08 08:25 AM
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Anonymous
OP
Unregistered
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Anonymous
OP
Unregistered
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This is my 1st attempt at rebuilding an engine.
I have a 440 with new Edelbrock Alum. heads and Performer manifold. When trying to install the manifold, the bolts will not go in straight. If I don't use the gaskets, I can bolt everything together, but, with gaskets, the bolts will not thread. I heard from some folks that I should discard the gaskets and RTV it only. Has anyone had this problem. The block has not been decked and the heads, valley pan, and intake are new.
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Re: aluminum intake installation
#60056
05/20/08 08:34 AM
05/20/08 08:34 AM
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Joined: Jan 2003
Posts: 1,990
s. e. pa.
calrobb2000
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,990
s. e. pa.
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hi use the valley pan only with a SMALL bead of sylicone around all ports and bolt holes an a dab in each corner where the heads and block meet! running between bolt holes and ports also . 
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Re: aluminum intake installation
[Re: calrobb2000]
#60057
05/20/08 08:42 AM
05/20/08 08:42 AM
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Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck
Not enough dumb comments...yet
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Not enough dumb comments...yet
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
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Quote:
hi
use the valley pan only with a SMALL bead of sylicone around all ports and bolt holes an a dab in each corner where the heads and block meet!
running between bolt holes and ports also .
I use that copper spray gasket on both sides of the gasket and run a nice nead in each corner with sylicone... The paper gaskets are there in case the intake or heads have been cut. If it lines up good w/o the pan, the pan is all you need.
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Re: aluminum intake installation
[Re: Mr.Yuck]
#60058
05/20/08 08:56 AM
05/20/08 08:56 AM
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Joined: Apr 2008
Posts: 1,195
Snowing in the north!
Dart 340
moparts member
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moparts member
Joined: Apr 2008
Posts: 1,195
Snowing in the north!
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Not that it matters, but if you read the service manual they tell you absolutely do not use sealant except for where the side gaskets meet the valley gaskets. Mr. Gasket has a nice bead of silicone pre formed around everything on the sides, Fel-Pro gaskets have a formed rib around everything that crushes. Just my .02$ 
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Re: aluminum intake installation
[Re: Dart 340]
#60059
05/20/08 08:59 AM
05/20/08 08:59 AM
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Joined: Jan 2003
Posts: 25,200
Upper Midwest
MoparforLife
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
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Quote:
Not that it matters, but if you read the service manual they tell you absolutely do not use sealant
except for where the side gaskets meet the valley
gaskets. Mr. Gasket has a nice bead of silicone pre
formed around everything on the sides, Fel-Pro gaskets have a formed rib around everything that crushes. Just my .02$
 
That and use the pan only.
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Re: aluminum intake installation
[Re: GTXKen]
#60061
05/20/08 09:50 AM
05/20/08 09:50 AM
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Joined: Jan 2005
Posts: 1,647
IL
71383beep
top fuel
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top fuel
Joined: Jan 2005
Posts: 1,647
IL
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It should go in with just the metal pan and great stuff in the corners. I know you said that YOU did not mill the heads, block, or intake, but it sounds like some milling on something was done in the past to give you the problems you are experienceing. You may want to have a few thousandths shaved off of the intake to make it fit well because you may get her to bolt on to the motor okay, but it doesn't need to be off much to suck oil into the intake runners and give you a vacum leak...I know this from past experience BTW.
'73 GK6 Challenger Rallye - 340 4-Speed
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Re: aluminum intake installation
[Re: hemiluver]
#60063
05/20/08 10:32 AM
05/20/08 10:32 AM
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Joined: Apr 2008
Posts: 1,195
Snowing in the north!
Dart 340
moparts member
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moparts member
Joined: Apr 2008
Posts: 1,195
Snowing in the north!
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Quote:
Hi,
Yea I think most guys run into this problem! You can run it without gaskets and use RTV but I would rather not. I dont like RTV around the intake ports because if you read about it,it breaks down when exposed to fuel. I have done it without problem but instead I use the RIGHT STUFF they sell it at Napa-works awesome. Another thing is theres a guy on ebay selling really thin (I think .018 thick gaskets)compared to .045 (If I remember)Mopar performance and Felpro thick gaskets.-Gary
RTV is not the best for a couple of reasons. I don't want this to turn into a silicone post though. Silicone isn't the best for any pressure seals because it's durometer is so soft. Now that said, there is a high pressure silicone available that you can find at a parts store. I think it's grey in color. Might be the best option if you are set on silicone.
I dont mind a little oil leak or even a little vacuum leak or even burning a little oil, but man I sure hate antifreeze in my oil........ just make sure it's sealed up good.
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Re: aluminum intake installation
[Re: MoparforLife]
#60065
05/20/08 11:39 AM
05/20/08 11:39 AM
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Joined: Apr 2008
Posts: 1,195
Snowing in the north!
Dart 340
moparts member
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moparts member
Joined: Apr 2008
Posts: 1,195
Snowing in the north!
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Quote:
Quote:
but man I sure hate antifreeze in my oil........ just make sure it's sealed up good.
AIN'T gonna happen with a big block intake.
Yep, very true. Just figuring small block guys are also reading this.
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