Great Price Dorman 615-175 Intake Manifold

Great Price! Great Product! Dorman 615-175 Intake Manifold : The stock plastic intake on my 2000 Mustang GT finally cracked right where the upper radiator hose attaches to the manifold. I needed an intake fast to get my car back on the road so I ordered the Dorman 615-175 manifold.

I have read good and bad things about the Dorman VS the Ford replacement. Folks on several Mustang forums say the Dorman has smaller runners than the Ford & that the performance isn't as good. Well, I'm here to tell you the performance on a mostly stock 4.6 with the Dorman intake is noticeably BETTER than with the Ford intake!

The slightly smaller runners actually increase the velocity of the incoming air which gives a very noticeable increase in performance in the low to mid RPM range with no noticeable ill effect at high RPM all the way to redline.

On a car with performance camshafts & reworked heads the Dorman is probably not the best choice, but if you have the stock cams and heads you WILL feel a noticeable increase in torque. Way to go Dorman! :-)

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Redid my 01 Grand Marquis. If you get organized beforehand, you can get the old one off in 2 hrs and the new one on in about the same time.*** I would budget 6- 8 hrs though if you are a newbie like me. ***

Tips:

1. label all vacuum connections with tape before disconnecting,
2. Remove wipers, winshield cowling and wiper motor (easy off and big time /space saver)
3.  Remove throttle body but leave accelerator cables connected and set is to side in engine compartment (big time saver).
4.  Not a bad idea/time to change your water pump (30- 40 dollar item) since its accessible when you have other stuff off.
5.  Follow torque specs exactly because a) thing is mostly plastic (dont wanna crack it) and b) you want an even seal
6.  Use common sense - i have a ford service cd that has you disconnecting the EGR tube (hard line) at the EGR valve AND cat converter - only need to disconnect at EGR -duh.
   

Tools - standard and metric sockets and wrenches - fuel line disconnect tool - torque wrench - maybe some throttle body cleaner since you'll have it off - some MAP/MAF sensor cleaner too.... new plugs while your at it. Runs like a charm!

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