John Borris
Well-Known Member
this message is for 66fs. Could you reply to this please?
Last edited:
Plate under the intake
- Thread starter John Borris
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A56
Street Survivor
They're rivets I believe, not screws.
I've heard them referred to as "scrivets."
Are you going to leave the exhaust crossover passage open or close it off (in Florida I'd block it off for sure). If you block it off and disable or remove the flapper valve in the exhaust manifold, you can just leave that plate off - I believe that it is only there to keep from frying oil that splashes on the bottom of the intake on the passage...
I agree with leaving it off. It's bad about trapping and cooking oil between the plate and intake bottom.
none of the aftermarket manifolds that I have use a plate and half of them don't have the exhaust crossover either...
These might be the right size. Corvette Rivet Intake Manifold Under Pan 5 Pieces 55 81 ( #E23412 ) | Corvette Pacifica
Keeping the hot oil from the lifter valley from splashing on the bottom of the intake helps keep the air/fuel charge cooler, kind of like a big block or an air-gap manifold. Any little bit helps, IMO.
If the aftermarket put heat shields on the bottom of aluminum intakes, I'd buy that, but they don't, so I don't think it makes a lot of difference. Other than a place to create sludge buildup.
A56
Street Survivor
Accepting something the aftermarket companies do without an explanation doesn't make it a positive.
Maybe so.
Edit your post to remove your personal info and start a conversation. I'll dig them out. I had to buy a bag full for my two that I needed.
The OP posted all his contact information again which I deleted (again) You can send him a PM. Apparently he doesn't know how.
think its there so oil doesn't burn on the cross over ....don't need oil coking then getting sucked up in your screen
John Borris
Well-Known Member
can someone tell me how to post my contact information without stepping on anyone’s toes
Thanks
Thanks
Vaanth
Well-Known Member
See this FABO help posting, How to send a private message, to share your contact information privately.
Yes, through a private message. If this were a Parts Wanted thread like it should be, there would be a link directly to your inbox on your first post.
...and no commentary allowed either.
John Borris
Well-Known Member
Gee fellows a person has to learn, I’m 78 years old, I don’t learn very fast like I used to, I’m just trying to servive.
Well, I think we all know WHY it was put there and in a stock world, sure it works. But for a performance build where the temperature is well regulated and kept lower than stock and again with the exhaust crossover blocked as in real performance applications, there's no need for it. The aluminum intake manufactures knew this. That's why there's not a single aftermarket aluminum intake made with one, to my knowledge.
John Borris
Well-Known Member
Yes, but I don’t use it muchI'm 73 and understand....but man, you've been here since 2019!
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