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Dorman OE Solutions Intake Manifold 615-178 |  | Brand: Dorman
Category: Automotive Parts and Accessories
List Price: $337.50
Buy New: $196.51
as of 3/11/2010 13:46 CST details
You Save: $140.99 (42%)
New (13) from $196.51
Seller: NATIONAL AUTO PART
Rating:  10 reviews
Media: Misc.
Shipping Weight (lbs): 13.2
Dimensions (in): 20 x 16 x 9
MPN: 615178
Model: 615178
UPC: 019495034407
EAN: 0019495034407
Availability: Usually ships in 1-2 business days
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| Features:
| • | Manufactured to meet or exceed OE specifications | | • | Whenever possible Dorman corrects the design problem that caused the original part to fail | | • | Complete with all assembly pieces, including gaskets, to do the job right | | • | A quality part backed by a Dorman limited lifetime warranty | | • | Meets or exceeds OEM (Original Equipment Manufacturer) requirements |
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| Editorial Reviews:
Product Description
DORMAN 615-178 DORMAN INTAKE MANIFOLD
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| Customer Reviews:
Showing reviews 1-5 of 10
 4.6L Intake Manifold November 12, 2009
Eddie Dean Mull
I received the intake in a few days and it was a perfect fit with all the correct hardware. It takes most of an 8 hour work day to remove the old intake, clean everything and then install the new intake.
 it works.. October 12, 2009
B
After over 100K miles (and days after having replaced a coolant leaking intake manifold gasket) on the second plastic cross over manifold on my mustang I noticed a small crack near the passenger side temp sensor that was weeping coolant and upon disassembly a three inch crack in progress where the cross over was getting ready to burst.
I did not want to pay the outrageous prices ford dealers charge for NPI aluminum cross over intake manifolds nor do I like any of the solutions to use a PI manifold on NPI heads (due to cost and/or engineering reasons depending on the method) so I went with the dorman hoping for the best.
On the plus side the manifold is made in the USA, it fits, and the install of the manifold itself doesn't have any special issues to deal with. It's far cheaper than what ford dealers charge for the NPI manifolds. (Ford PI manifolds can be found for just a little more than what this Dorman manifold costs)
On the minus side the molds that make the pieces at the intake ports were designed with a parting line inside the ports. The resulting draft creates material that will block some of the airflow or cause less than ideal flow. There was also some flash in there on the part I got. I removed this material with an xacto knife and a dremel to smooth out the ports. This clean up made it much more like the ford manifold. It was far less material than seen on dorman manifolds for other applications and probably would not make much difference, but I didn't like it so I took care of it.
The included alternator bracket does not work on a mustang. It interfered with the tubes that go across the top of the manifold. My dremel and a bench grinder were used to cut away the big 'plate' that was on the dorman bracket but not the OEM one. Also be aware that if your car has COP the coils are held in place by thread cutting screws instead of having threaded inserts. Mine doesn't so that wasn't an issue.
I haven't driven the car much with the dorman manifold on so I can't say if there has been any change in power. it seems to be about the same, maybe a little less, but from what I could find on the mustang and crown vic forums that the NPI dorman vs. NPI ford is the same power wise.
Also of note, if leaking coolant has caused any additional wear-and-tear on some of the spark plugs or the coils have gotten weak with age (or both in my case) upon re-assembly misfires of some degree will make themselves known even if there were no obvious problems previously. If misfires show up after wards check the gap on the plugs that were flooded with coolant and the coil packs. Also check for boiled down coolant sludge inside the spark plug boots.
Perfect October 8, 2009
David Monroe
Replaced my OEM manifold with this one, and so far I am very pleased. I noticed a big increase in torque and horsepower on my 96 mustang gt. my mechanic wanted 400 for this manifold and 380 for labor. i purchased this one, the exact one that my mechanic was going to get for me off of amazon for 190, installed myself and saved a lot of money.
Dorman Intake Manifold-Mercury Grand Marquis June 14, 2009
Hoppy (River City, CA)
Good product. Comes with all necessary gaskets and new thermostat. Injector O-Rings are NOT included and should be replaced during procedure.
Instructions are almost non-existant so if you have never changed an Intake Plenum or are not mechanically inclined and have not worked on cars much you had better get a Ford Manual before starting work.
Fixed a headache May 29, 2009
R. Owen (NC)
2 out of 2 found this review helpful
My 97 T-Bird had a very bad coolant leak and I had to add water every day to keep it from over heating, the leak was not at the typical area for these manifolds, it was at the heater hose return, it had cracked down the peace of plastic that the hose clamps onto.
By the way the manifold I replaced was not the original it had already been replaced from the warranty one time before.
I think Ford should have to replace these throughout the life of the vehicle.
The unit I purchased from Amazon was a perfect fit, it went in without a hitch and has cured my leaking problem.
This is a quality part from a quality source.
I searched everywhere and Amazon was the best place to purchase this item from, I even have a friend who works for a company that gets these manifolds at wholesale and Amazon still beats their price.
If you need one of these buy it here you want be sorry...
Showing reviews 1-5 of 10
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