302 Exhaust manifold Dump port angle?
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Freshman User
Joined: Jul 2010
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302 Exhaust manifold Dump port angle?
Hello, Havent been out here in awhile, weather got better, now I'm outside Wrenching.
I Just removed a Cracked right side Exhaust manifold from my 1988 5.0 EFI -God Bless PB Blaster penetrant !!
-Now I'm Pricing out a new Exhaust Manifold,
However,
I'm Finding that there are three different cast manifolds- Meaning that:
1 Has Raised Fins going length-wise-(With two bolted ports to the rear)
(this resembles mine, Yet is Listed for a '80-86)
1 Has No Fins, is completely smooth-(Listed for the '87-96)
and the other resembles the Exhaust manifold on the 351 ( no years given)
My Question, Is based on lining up my exhaust Pipe to the Manifold Dump Port.
- Are All of these Manifolds the same in 'Dimension, and Angle' to meet up with My Pipe?
Also-
My Exhaust pipe Flange that Meets the Manifold has Rotted out the Hole at the inner Stud, and I'm trying a 'Split Flange" racing flange to replace the old flange- Anyone use one of these with success ?
I Just removed a Cracked right side Exhaust manifold from my 1988 5.0 EFI -God Bless PB Blaster penetrant !!
-Now I'm Pricing out a new Exhaust Manifold,
However,
I'm Finding that there are three different cast manifolds- Meaning that:
1 Has Raised Fins going length-wise-(With two bolted ports to the rear)
(this resembles mine, Yet is Listed for a '80-86)
1 Has No Fins, is completely smooth-(Listed for the '87-96)
and the other resembles the Exhaust manifold on the 351 ( no years given)
My Question, Is based on lining up my exhaust Pipe to the Manifold Dump Port.
- Are All of these Manifolds the same in 'Dimension, and Angle' to meet up with My Pipe?
Also-
My Exhaust pipe Flange that Meets the Manifold has Rotted out the Hole at the inner Stud, and I'm trying a 'Split Flange" racing flange to replace the old flange- Anyone use one of these with success ?
Hotshot
Joined: Jul 2002
Posts: 14,285
Likes: 12
From: Bend,OR
you need to run the 87-96 5.0 manifold.
have you inspected the other side to make sure its not cracked also? have you considered getting some headers instead.
also make sure the manifold you get is from a Truck. the car manifold wont work.
have you inspected the other side to make sure its not cracked also? have you considered getting some headers instead.
also make sure the manifold you get is from a Truck. the car manifold wont work.
Thread Starter
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Freshman User
Joined: Jul 2010
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I Didnt even Think about the truck-car difference with manifolds-..Willl have to bring that up at the parts store-
Wanted to Put in some shorties, But was worried about opening a can of worms, 130K on the speedo, trying to keep the costs down incase something major breaks.
Thanks Kemicalburns
Wanted to Put in some shorties, But was worried about opening a can of worms, 130K on the speedo, trying to keep the costs down incase something major breaks.
Thanks Kemicalburns
New User
Joined: Feb 2011
Posts: 19
Likes: 0
an car headers will work I took an set off an 1990's LSC Mark 7 lincon with an 302 HO motor the bolts all lined up but I don t know about the manifold thought just an thought If you want to search the internet and or parts yards!!!
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