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Recomendations for dual exhaust on an 89 Econoline E150 302 5L Extended cab. #734677
April 04th 2018 4:33 am
April 04th 2018 4:33 am
Joined: Apr 2018
Posts: 2
PlusOrMinusDesign Offline OP
PlusOrMinusDesign  Offline OP
Joined: Apr 2018
Posts: 2
My exhaust needs to be replaced, and I am going to eventually swap the motor for a SVT Cobra motor, so want to make sure I get performance exhaust replacement done now so thats its a smooth transition then. Any recommendations on moderately priced dual exhaust systems for an extended cab Econoline? Can someone tell me if the exhaust manifolds are all designed to connect to the exhaust in the same place in space? or is all of this different and I would need to switch the exhaust manifold now and not wait until the engine swap?

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Re: Recomendations for dual exhaust on an 89 Econoline E150 302 5L Extended cab. [Re: PlusOrMinusDesign] #734683
April 04th 2018 10:06 am
April 04th 2018 10:06 am
Joined: Aug 2001
Posts: 12,049
Fircrest, WA
Reed Offline
Reed  Offline
Joined: Aug 2001
Posts: 12,049
Fircrest, WA
There are no pre-made dual exhaust kits for an 89 Ford van. I also have an 89 Ford and have looked for a dual exhaust kit for years.

You can get long tube headers from Hooker (shop Summit racing) or Hedman (shop JC Whitney), but everything behind the headers is a custom job. Keep in mind that if you are running the factory fuel injection the headers dont have an O2 sensor bung and adding headers might mess with the computer’s calculations for fuel injection.

If you don’t have to have dual exhaust you can just run a larger single exhaust. The factory 2 1/4 pipes coming off the manifolds going into a single 2 1/2 pipe would be fine.

Honestly, I don’t think the SVT Cobra motor will be a good choice for a swap. The stock exhaust manifolds are different than the van manifolds so unless you install headers on the van you would have to change at least the head pipes when you swap motors.

Further, vans need torque, not high rpm horsepower. If I was going through the trouble of an engine swap, I would go to a warmed up 351W or even a 300 six cylinder over a 302. Or maybe a 460 or diesel, but those are more involved swaps.

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