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sealer or fiav gasket

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dsmarmy777gst

15+ Year Contributor
150
2
May 5, 2009
Decatur, Illinois
Okay so I have a 1g n/t throttle body that i will be installing on my SMIM in place of the 1g turbo throttle body. I'm doing so because it will provide better fitment for my gm maf and upper ic piping. Ever since the SMIM install my maf rests on my tranny mount and also causes my ic pipes to hang lower. So with the coupler coming off the throttle body I will be able to angle that pipe up and pull the maf and lower ic pipes up more.

Anyway, while prepping the 1g n/t throttle body i decided to install my fiav thermal spacer and in doing so i took out the fiav seal gasket then it pretty much expanded so it no longer fits. I know a new gasket is $12 and will cost me about $20 shipped which wouldn't be here till next week. I also cannot source one locally, and it would take even longer to get from the dealer. Could i possibly just fill the space for the fiav seal with some type of sealer? Not an rtv but a thick liquid sealer that would fill the space? It's not what i want to do but i'm impatient.
 
That funny looking gasket expands once taken out, well it did for me atleast as well. It will fit back in. I also added a nice bead of the blue rtv for a nice seal. It's been working great for me over a year.
 
That's what I was thinking but I've never heard it called a thermal spacer. OP, are you bypassing the FIAV?

No sir, at this point i'm sticking with it rather than block it off.

The thermal spacer is like the phenolic type spacer to keep temps on the intake down. The out law kit includes a spacer for the manifold to head, throttle body to manifold, and IAC to throttle body.
Outlaw Engineering

That funny looking gasket expands once taken out, well it did for me atleast as well. It will fit back in. I also added a nice bead of the blue rtv for a nice seal. It's been working great for me over a year.

haha so may I ask what the trick is to get that seal to fit back in?
 
What i've done with success when they "grow" like that is to fit them the best i can, then slice out a chuck to where it will but up snug still and then use either the tiniest little dab of silicone to seal the connection or use loc-tite rubber and plastic automotive glue/sealer (can get it at walmart) even with coolant lines i haven't had one leak yet.
 
No sir, at this point i'm sticking with it rather than block it off.

The thermal spacer is like the phenolic type spacer to keep temps on the intake down. The out law kit includes a spacer for the manifold to head, throttle body to manifold, and IAC to throttle body.
Outlaw Engineering

I see. I've seen the thermal gaskets for the intake manifold and throttle body before but this is the first time I've seen one for the FIAV.
 
What i've done with success when they "grow" like that is to fit them the best i can, then slice out a chuck to where it will but up snug still and then use either the tiniest little dab of silicone to seal the connection or use loc-tite rubber and plastic automotive glue/sealer (can get it at walmart) even with coolant lines i haven't had one leak yet.

Awesome I will give that a try. Thanks!
 
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