Advice needed: Is this right?
Thread Starter
Burning Brakes
Joined: Mar 2006
Posts: 915
Likes: 2
From: Lima, OH -- 69 L71 427/435hp
Advice needed: Is this right?
I recently got my original tri-power set-up, so today I installed the (3937797) intake (onto the 3919840 heads) and I have this gap around the gasket, where the exhaust crossover is, and I don't know if this is ok or if it will be a problem?
I mean if I were to trim the gasket around the intake, it would expose more...so is this how it was originally or what?
I would just like a second opinion on this please.
I mean if I were to trim the gasket around the intake, it would expose more...so is this how it was originally or what?
I would just like a second opinion on this please.
Last edited by 1ARACE; Jun 6, 2007 at 11:29 PM.
Thread Starter
Burning Brakes
Joined: Mar 2006
Posts: 915
Likes: 2
From: Lima, OH -- 69 L71 427/435hp
Yes it is, and I am using the replacement gasket, which is what I don't understand, because the intake itself only seals the center exhaust crossover port. The head has a center square and outside square and that's what I don't understand...I mean I have all original equipment and this is what it is.
Thread Starter
Burning Brakes
Joined: Mar 2006
Posts: 915
Likes: 2
From: Lima, OH -- 69 L71 427/435hp
Thread Starter
Burning Brakes
Joined: Mar 2006
Posts: 915
Likes: 2
From: Lima, OH -- 69 L71 427/435hp
Race Director
Joined: May 2006
Posts: 16,528
Likes: 53
From: Dayton, Ohio
I want to say yes because I dont think that channel goes anywhere.I dont work on enough big blocks to give you a definent answer.You better wait for some of the big block guys to respond.
edit -- I sent 427Hotrod a pm I think he will have an answer.
edit -- I sent 427Hotrod a pm I think he will have an answer.
Last edited by ...Roger...; Jun 7, 2007 at 12:11 AM.
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Well, first off..yes it will work. It'll look funny, but it won't hurt anything.
I think you just have a gasket that is made incorrectly. You could use the Fel pro race type gaskets. They are solid across that area without the indentations that follow intake curvature and will cover the whole section. But I'm assuming you're after a somewhat stock look? If nothing else, the race gaskets do look nicer.
What gasket set is that? There's not by chance a right and left one with a different plate over the heat riser passage is there? Did you try flipping them around? Is it the same on both heads? The water passages did line up right? It appears to be on right from looking at intake port area.
JIM
I think you just have a gasket that is made incorrectly. You could use the Fel pro race type gaskets. They are solid across that area without the indentations that follow intake curvature and will cover the whole section. But I'm assuming you're after a somewhat stock look? If nothing else, the race gaskets do look nicer.
What gasket set is that? There's not by chance a right and left one with a different plate over the heat riser passage is there? Did you try flipping them around? Is it the same on both heads? The water passages did line up right? It appears to be on right from looking at intake port area.
JIM
Thread Starter
Burning Brakes
Joined: Mar 2006
Posts: 915
Likes: 2
From: Lima, OH -- 69 L71 427/435hp
Well, first off..yes it will work. It'll look funny, but it won't hurt anything.
I think you just have a gasket that is made incorrectly. You could use the Fel pro race type gaskets. They are solid across that area without the indentations that follow intake curvature and will cover the whole section. But I'm assuming you're after a somewhat stock look? If nothing else, the race gaskets do look nicer.
What gasket set is that? There's not by chance a right and left one with a different plate over the heat riser passage is there? Did you try flipping them around? Is it the same on both heads? The water passages did line up right? It appears to be on right from looking at intake port area.
JIM
I think you just have a gasket that is made incorrectly. You could use the Fel pro race type gaskets. They are solid across that area without the indentations that follow intake curvature and will cover the whole section. But I'm assuming you're after a somewhat stock look? If nothing else, the race gaskets do look nicer.
What gasket set is that? There's not by chance a right and left one with a different plate over the heat riser passage is there? Did you try flipping them around? Is it the same on both heads? The water passages did line up right? It appears to be on right from looking at intake port area.
JIM
It's a Fel Pro stock gasket set, I did flip them around just to be sure before tacking them to the heads, after I tacked them I checked that all lined up, it did, so I torqued to 30ft/lbs in 5lb increments. (I used RTV not the rubber end seals)
The other gaskets I looked at had no hole for the exhaust crossover.
So I take it nothing comes out of the outer square, so they technically don't have to be covered, right? The intake wouldn't cover it regardless, but I am confused if a gasket is 'supposed' to?