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i was looking for my bronco i am replacing the head cause i had a good crack in the #4 combustion chamber. i want to put my efi manifolds off my 93 f150 on but the intake and exhaust are mated. i guess someone told me i cant block the flap on the intake cause it always needs hot air to atomize the gas.
i was looking at the offy intakes and seen some i like.
i had bought a dual port intake with my headers i bought with my truck and well i sold it before i got the broco so now i wish i didnt, i might buy another one.
now with those intakes are they water heated to atomize the fuel?
The Clifford intake has water ports for warmth, but the Offenhausers (both DP and C) don't. They do have the connection on the bottom, though, to bolt to the stock exhaust for carb heat.
A lot of people create a plate that bolts there with an in and out pipe to use coolant to help atomize the gas.
If the manifold is not heated you end up with soggy performance and stumbling/bogging because the AF mixture is separating and the gas "puddles" on the bottom of the intake.
I'm wanting to get a Offy intake for my 300. I'm tired of burning gaskets between the exhaust and the intake manifolds. So I want to change to an Offy intake and EFI exhaust manifolds.
So if I get an Offy intake you say it would be wise to to fix up a water heater system to help atomize the gas.?
Which water lines do I hook to? Ones to th heater box or right onto the Thermostat?
My truck is no show truck. It is a beater truck now, but I do love driving it. I'm slowly getting it fixed.
Plus I live in Saskatchewan Canada. where winter weather is norm for minus 20 to 30 degrees. (Celcius)
I'd highly recommend hooking up a water heater system to your intake, especially with the temperatures you will be operating in. You'll be very glad you did.
With mine, I just spliced it into the hose running back from the heater core. If you splice it into the hose going to the heater core, it'll work just as well, but may make the heater in the cab a little cooler.
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