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  #1  
Old 09-22-2001, 12:15 PM
DURANGD00 DURANGD00 is offline
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Question mopar intake

Has anyone replaced the high-rise manifold on their Magnum engine with one from Mopar? If so, was there a big difference and what changes occured during normal driving? Thanks....p.s. new member and sight is great
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Old 09-23-2001, 01:40 PM
DurangoSLT360 DurangoSLT360 is offline
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Default M1 intakes?

I am assuming you mean the M1 2bbl or the 4BBl version.

The 4bbl is a waste on a street motor especially for a 4X4. It will kill torque and a mostly stock motor cannot rev high enough to get the benifit of the intake. This would not make normal driving very pleasurably.

The M1 2bbl is a thought. Though the only one I have seen here on a Durango they put in a cam, and ported heads at the same time. They noticed no loss in low end with much improved high end on a 5.9L motor.

Probably a better option is a modified stock manifold unless you plan on putting alot more mods into it. Then you are better off getting the intake manifold later. Also a modified stocker would probably be best for the 5.2L

I have thought about it myself... I just did a check to see if my intake gasket is blown and it is. So do I get the M1 now knowing that it might kill of some torque since mine is mostly stock (side benifit no more blown gaskets) and I plan on ported heads some day. Or go the modified stocker route with a better belly pan and gasket? Still deciding myself.
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Old 09-23-2001, 09:00 PM
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Call Hughes and talk to Dave. He has stage 1 and stage 2 modified intake manifolds for the close to stock crowd. My cam, heads and block are all stock. I put the stage 1 on mine and it works great. No detectable loss of low end, response is instant, and power band is smoother. E.T. dropped by about .1-.2. He has something to help the pan to seal better too. This is on a '99 5.2 Dakota CC with auto and 3.92 ls + a bunch of other junk.
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Old 09-24-2001, 12:28 PM
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Old Guy - Are you talking about the unit from KRC?
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Old 09-29-2001, 08:28 AM
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Mine came directly from Hughes Engineering. KRC probably sales the same thing. I don't think they (KRC) modify anything. He is a middle man for most stuff. Hughes does the work on theses manifolds. I believe Jon Smith does the same work for some people also.
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