4.9 EFI Y pipe.
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Cargo Master
Joined: Sep 2007
Posts: 2,095
Likes: 2
From: Wahpeton ND
201 CID engine. The case length on the muffler I am looking at is 20" There is a wiki article on oliver.
This will either sound great or be terribly loud. All I know is a that I aim to tow at least once with this on.
This will either sound great or be terribly loud. All I know is a that I aim to tow at least once with this on.
Elder User
Joined: Jul 2006
Posts: 804
Likes: 0
From: Maricopa
what about a cherry bomb!?! haha
btw, the walker y pipe is a good overall design, but... couldn't they have done better bends?!?!? I mean, mandrel bends are SOOOO much better for air flow, and if you're trying to get good air flow as I'm sure most people are who are putting on the efi manifolds with a carb application, I would think if you're gonna spend the money, get one that has better bends... just my $.02
btw, the walker y pipe is a good overall design, but... couldn't they have done better bends?!?!? I mean, mandrel bends are SOOOO much better for air flow, and if you're trying to get good air flow as I'm sure most people are who are putting on the efi manifolds with a carb application, I would think if you're gonna spend the money, get one that has better bends... just my $.02
FTE Legend
Joined: Nov 2015
Posts: 30,915
Likes: 4,123
From: Angier, NC
Don't know if it will on a 79 but it did on my 81 F100 and hooked into the stock exhaust system.
Dave - - - -
Dave - - - -
Moderator
Joined: Dec 2007
Posts: 7,987
Likes: 104
From: Boise, Idaho
It's hard to say. In 1980, the front axle completely changed, and that's the body style that the y-pipe is designed for. It's possible that it might bind/hit the front axle on the solid front axle of the 79 and prior trucks.
My guess is "no" or else they'd list it as a compatible year.
But, I don't know from experience. Just speculating.
My guess is "no" or else they'd list it as a compatible year.
But, I don't know from experience. Just speculating.
Laughing Gas
Joined: Feb 2016
Posts: 906
Likes: 119
It's hard to say. In 1980, the front axle completely changed, and that's the body style that the y-pipe is designed for. It's possible that it might bind/hit the front axle on the solid front axle of the 79 and prior trucks.
My guess is "no" or else they'd list it as a compatible year.
But, I don't know from experience. Just speculating.
My guess is "no" or else they'd list it as a compatible year.
But, I don't know from experience. Just speculating.
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