"George Adams" wrote in message news:1202646762 snipped-for-privacy@sp12lax.superfeed.net...
I am considering a pre-emptive intake manifold replacement on my
> wife's 1997 G.M. 54,000 miles, looks and runs like new.
>
> I checked Advance Auto Parts website and found two choices, the
> Motormite at $265, and the Dorman at $199. The show a picture of > the
> Dorman, and it appears to be all plastic like the original. No
> picture
> of the Motormite, but it carries a lifetime warranty. Anyone have > any
> info on these two items?
>
> TIA,
> George
I am curious why you think you need to replace the manifold at this late date. My Mother owned two Grand Marquis and I owned a Mustang with that engine and none had the manifold problem. And even if the manifold fails, the engine has "fail safe cooling." You would be able to continue driving the vehicle (at reduced speed) to reach a repair location.
You might want to read
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. The Ford replacement manifold (P/N F8AZ-9424-CB) is about $350 (with a discount). I wouldn't worry so much about the manifold being plastic, as I would about how well it was made.
Rock Auto has a picture of the Dorman manifold. The air runners are plastic, but that the water crossover is aluminum (see
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or
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. The Dorman prroduct page is
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. I am not sure why they have a Dorman and a Motormite listing. Motormite is a Dorman trade name. As far as I can tell from the Motormite catalog
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the Motormite manifold is the Dorman manifold. Ed
.