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Car Forum / Dodge / Dodge Trucks / August 2006

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Performance Questions

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Bob - 20 Aug 2006 16:01 GMT
I have been considering two modifications to my 2003 Dodge R3500 Diesel.  It
is a 5-speed.  I already have an Edge EZ power chip in the truck.  What I am
considering is installing one of those cold air intake systems.  I think it
costs around $300 for the system.

The second thing I am considering is changing out the muffler to a full
flow-through (no baffles). The muffler costs around $80.

Does anyone have any experience with either the cold air intake or the full
flow muffler?  Any positives?  Any negatives.

Thanks
Bob
Tom Lawrence - 20 Aug 2006 20:09 GMT
> Does anyone have any experience with either the cold air intake or the
> full flow muffler?  Any positives?  Any negatives.

In general, you'll notice slightly lower EGT's, and a little faster spool-up
of the turbo - both good things.

I would recommend you look at the Scotty Ram Air 3 intake.  I used to run
this on my truck (had to get rid of it when I went to different turbos,
unfortunately - I really liked that intake).  It's available from Diesel
Power Products, http://www.dieselpowerproducts.com/air1

The two-stage foam filter that the Scotty uses offers better filtration than
the cotton-gauze type filters of most other intakes.
MoParMaN - 20 Aug 2006 20:29 GMT
>> Does anyone have any experience with either the cold air intake or the
>> full flow muffler?  Any positives?  Any negatives.
[quoted text clipped - 9 lines]
> The two-stage foam filter that the Scotty uses offers better filtration
> than the cotton-gauze type filters of most other intakes.

I've been looking at the Fram Boost, what do you know of this.

http://www.framboost.com/boostdetails.cfm

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Tom Lawrence - 20 Aug 2006 23:05 GMT
> I've been looking at the Fram Boost, what do you know of this.

I would run from anything that said 'Fram' on it...  the Scotty system is
developed by a guy that actually uses (some would say abuses  :) his truck,
and it's ONLY designed for the Ram - not some generic filter that can be
sold to any truck owner with a change in piping.  It produces the coolest
air to the turbo, because it's completely sealed off from the engine
compartment.  It takes air from the stock location (inner fender panel), as
well as a ram air through the front grill.  It's plastic housing is a better
insulator from engine heat than a metal heat shield.

As I said, I used to run one of these, and my oil analysis results confirmed
that the filter was doing it's job (not to mention the spotless intake
tube).
MoParMaN - 21 Aug 2006 00:09 GMT
>> I've been looking at the Fram Boost, what do you know of this.
>
[quoted text clipped - 10 lines]
> confirmed that the filter was doing it's job (not to mention the spotless
> intake tube).

Now for the big question:  Do you think it's worth buy as far as it's cost
verses, the normal cost of air flow management? (Dodge Air Filter for those
slow ones)

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Tom Lawrence - 21 Aug 2006 04:59 GMT
> Now for the big question:  Do you think it's worth buy as far as it's cost
> verses, the normal cost of air flow management? (Dodge Air Filter for
> those slow ones)

Actually, I do.  The stock air box SUCKS as far as filtration goes.  It gets
hot, it warps, and the stock filter winds up not sealing around the rim,
letting dirt and crud in.
Bob - 20 Aug 2006 20:59 GMT
>> Does anyone have any experience with either the cold air intake or the
>> full flow muffler?  Any positives?  Any negatives.
[quoted text clipped - 9 lines]
> The two-stage foam filter that the Scotty uses offers better filtration
> than the cotton-gauze type filters of most other intakes.

Thanks for the info.  I will take a look at the site.
Bob - 20 Aug 2006 23:33 GMT
>>> Does anyone have any experience with either the cold air intake or the
>>> full flow muffler?  Any positives?  Any negatives.
[quoted text clipped - 11 lines]
>>
> Thanks for the info.  I will take a look at the site.

I was looking at the Scotty III.  I did not do a thorough read through, but
is the Scotty III all that is needed or do I have to purchase extra parts,
such as the hoses that are shown?  Purchasing the Scotty III comes complete
for setup?
Tom Lawrence - 21 Aug 2006 05:04 GMT
> I was looking at the Scotty III.  I did not do a thorough read through,
> but is the Scotty III all that is needed or do I have to purchase extra
> parts, such as the hoses that are shown?  Purchasing the Scotty III comes
> complete for setup?

The Scotty 3 is all you need - it's a direct replacement for the stock
airbox.  That other hose they show is nice, as it eliminates the baffled
stock intake hose (which is designed for noise suppression, not necessarily
optimum airflow), but it's certainly not required.
 
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