12v Aftermarket Upper Intake - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 12-01-2006, 11:08 PM Thread Starter
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12v Aftermarket Upper Intake

I was wondering if any of you guys could help me out on this. I have seen a lot of high hp 12 valvers with aftermarket upper intakes and I have seen them without. Can anyone tell me if the stock ones flow enough not to worry about it, or are you money ahead to go ahead and get an aftermarket one. I am planning a set of compounds and porting the head out. My biggest quest is to mill the head and build an aluminum fabricated intake, but we will see how the money flow is. I have even thought about unbolting the stock plate where it bolts to the head and manufacturing my own piece for what they want for the ATS arc flow and the Banks Twin Ram. If anyone could give me some advice on the aftermarket upper intake and the flow increases it would help meout a lot. Thanks again everyone, Ryan.

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post #2 of 3 (permalink) Old 12-03-2006, 12:40 AM
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Is your truck equiped with the EGR system. EGR intake horns are quite restrictive. If it is equiped with egr or was at one point, I would swap in the non EGR horn. If you already have a non-egr horn, then I wouldn't worry about it. You aren't going to accomplish a lot and your money is better spent elsewhere. If you are building a truck for all out power and money is not an issue then that is something to consider. However, I wouldn't really worry too much about it at this point.
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post #3 of 3 (permalink) Old 12-04-2006, 06:39 AM Thread Starter
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Thanks sstockton, I figuired they didn't make a huge difference unless you had a lot of extra money floating around. Like I said I have seen a lot of high horse 12 valves running with the stock non egr style and seemed to do pretty well. I think my money will go other places for now.

2005 Dodge 3500 CC LB 5.9 48RE Smarty 5" Silverline Exhaust AFE Stage 2 305/70/17 Nitto Grapplers Tinted Windows
Putco light bar
1968 Corvette Coupe 5.9 cummins 47RH with Goerend parts assembled by Gilmore Performance 180 pump built by Smokem 12pt cage Ford 9" with spool 35 spline moser axles pro gears Quick Time DOT drag slicks tilt front end soon to get paint and more air.
1995 F-350 Crew Cab soon to be 6 door DRW Hauler project: 5.9 conversion in progress ZF5 speed destroked adaptor plate King pin D60 3.55 gears


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