Navigator intake manifold vs coyote intake manifold
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Junior Member
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Navigator intake manifold vs coyote intake manifold
Hello,
I'm in the process of rebuilding a 5.4 dohc out of a navigator that I will be swapping into my expedition.
While it's in the machine shop I have to pick up various parts to complete the swap.
one of them is an intake manifold.
Would i see a benefit from picking up some adapter plates and going with a coyote intake vs the stock navigator intake?
I use the expedition like a truck and is mostly used for towing, but does go through some periods of daily driver use as well.
How do the two manifolds compare under 6000 rpm as far as torque is concerned?
From what I've read, if I go this route I will need the adapter plates, a throttle body and throttle cable from an older mustang, and will have to relocate the alternator.
Overall doesn't seem too difficult but would I see much benefit?
I'm in the process of rebuilding a 5.4 dohc out of a navigator that I will be swapping into my expedition.
While it's in the machine shop I have to pick up various parts to complete the swap.
one of them is an intake manifold.
Would i see a benefit from picking up some adapter plates and going with a coyote intake vs the stock navigator intake?
I use the expedition like a truck and is mostly used for towing, but does go through some periods of daily driver use as well.
How do the two manifolds compare under 6000 rpm as far as torque is concerned?
From what I've read, if I go this route I will need the adapter plates, a throttle body and throttle cable from an older mustang, and will have to relocate the alternator.
Overall doesn't seem too difficult but would I see much benefit?
Senior Member
Joined: Apr 2004
Posts: 13,678
Likes: 84
From: missing Texas...
Hello,
I'm in the process of rebuilding a 5.4 dohc out of a navigator that I will be swapping into my expedition.
While it's in the machine shop I have to pick up various parts to complete the swap.
one of them is an intake manifold.
Would i see a benefit from picking up some adapter plates and going with a coyote intake vs the stock navigator intake?
I use the expedition like a truck and is mostly used for towing, but does go through some periods of daily driver use as well.
How do the two manifolds compare under 6000 rpm as far as torque is concerned?
From what I've read, if I go this route I will need the adapter plates, a throttle body and throttle cable from an older mustang, and will have to relocate the alternator.
Overall doesn't seem too difficult but would I see much benefit?
I'm in the process of rebuilding a 5.4 dohc out of a navigator that I will be swapping into my expedition.
While it's in the machine shop I have to pick up various parts to complete the swap.
one of them is an intake manifold.
Would i see a benefit from picking up some adapter plates and going with a coyote intake vs the stock navigator intake?
I use the expedition like a truck and is mostly used for towing, but does go through some periods of daily driver use as well.
How do the two manifolds compare under 6000 rpm as far as torque is concerned?
From what I've read, if I go this route I will need the adapter plates, a throttle body and throttle cable from an older mustang, and will have to relocate the alternator.
Overall doesn't seem too difficult but would I see much benefit?
the navigator intake makes the best power under 4500 rpms regardless of boosted or not
the coyote will bring a slew of issues starting with lack of alternator clearance, lack of firewall clearance, lack of low end torque, lack of IAC fitting, etc
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