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01-31-2018, 09:31 PM
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#1
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Name: Justappumped24v
Title: Too Much Time
Status: Not Here
Join Date: Feb 2016
Location: Illinois
Member`s Gallery
Posts: 1,311
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Stock style exhaust manifolds
Are common rail “upgraded manifolds” worth anything or more something cool to look at?
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05 QCSB24v HTD 6.8L, DDP fueling PDD shifted
2011 MCSB 6.7, built 68rfe
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02-01-2018, 06:44 AM
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#2
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Name: pushlar84
Title: pushlar84
Status: Not Here
Join Date: Dec 2009
Location: new york
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Posts: 658
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The steed third gen is definitely a improvement
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2001 Ram- fuel by Northeast Diesel, 2.6 ED, Allison 1000. Haisley cam, engine & trans built in house
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02-01-2018, 07:38 AM
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#3
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Name: J-Pipes
Title: Too Much Time
Status: Not Here
Join Date: Jan 2012
Location: Ohio
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Posts: 4,560
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Probably depends what you're doing with the truck. 1k hp build, probably, stock truck looking for mpg, probably not.
Sent from my SAMSUNG-SM-G930A using Tapatalk
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2000 Dodge ext cab short bed, 6spd.
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02-01-2018, 09:22 AM
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#4
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Name: Justappumped24v
Title: Too Much Time
Status: Not Here
Join Date: Feb 2016
Location: Illinois
Member`s Gallery
Posts: 1,311
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Quote:
Originally Posted by J-Pipes
Probably depends what you're doing with the truck. 1k hp build, probably, stock truck looking for mpg, probably not.
Sent from my SAMSUNG-SM-G930A using Tapatalk
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Using a North American Turbo 67mm HE351 to get 800 max effort rwhp
__________________
05 QCSB24v HTD 6.8L, DDP fueling PDD shifted
2011 MCSB 6.7, built 68rfe
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02-01-2018, 10:19 AM
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#5
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Name: J-Pipes
Title: Too Much Time
Status: Not Here
Join Date: Jan 2012
Location: Ohio
Member`s Gallery
Posts: 4,560
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Fair chance I suppose then. May have been covered elsewhere, but is there benefit to going to a 2nd gen style manifold? Or are you constricted by rules for a targeted class?
Sent from my SAMSUNG-SM-G930A using Tapatalk
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2000 Dodge ext cab short bed, 6spd.
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02-01-2018, 11:37 AM
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#6
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Name: 1stgensleeper
Title: Too Much Time
Status: Not Here
Join Date: Jul 2012
Location: Modesto, California
Member`s Gallery
Posts: 773
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Quote:
Originally Posted by Justappumped24v
Using a North American Turbo 67mm HE351 to get 800 max effort rwhp
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We have found that when using these modded he351's it does help to have some sort of aftermarket or custom made manifold. It may not gain you big power numbers but it really helps the power band carry out further. I have not seen the inside of the steed speed 3rd gen but most of the aftermarket manifolds use a ~1.25" primary, for the best results I'd suggest something with a 1.5" primary but it would most likely be custom.
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2006 QCLB 4x4 manual vb 47re, Savage Fab He351, exergy 100% overs, flo pro 5" exhaust
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02-01-2018, 11:38 AM
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#7
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Name: Justappumped24v
Title: Too Much Time
Status: Not Here
Join Date: Feb 2016
Location: Illinois
Member`s Gallery
Posts: 1,311
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Quote:
Originally Posted by J-Pipes
Fair chance I suppose then. May have been covered elsewhere, but is there benefit to going to a 2nd gen style manifold? Or are you constricted by rules for a targeted class?
Sent from my SAMSUNG-SM-G930A using Tapatalk
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I don’t want to spend the 1000.00 to do a second gen swap on a drop in turbo. However I’m sure it would beneficial
__________________
05 QCSB24v HTD 6.8L, DDP fueling PDD shifted
2011 MCSB 6.7, built 68rfe
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02-01-2018, 11:46 AM
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#8
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Name: tcalvin
Title: Too Much Time
Status: Not Here
Join Date: Apr 2008
Location: Midland, Texas
Member`s Gallery
Posts: 629
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Back in 08-09 or so, I noticed a considerable improvement when switching to an ATS two piece manifold from the oem one, while running a gated S366. This was on a 2007 5.9. Spoolup and egt were significantly improved.
I do think this had more to do with the divided 14cm housing on the turbo finally matching the divided flange of the ATS manifold, since the oem manifold had an open t3 outlet.
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‘11 6.7 G56. ’16 Superduty
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02-01-2018, 11:56 AM
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#9
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Name: Justappumped24v
Title: Too Much Time
Status: Not Here
Join Date: Feb 2016
Location: Illinois
Member`s Gallery
Posts: 1,311
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Thanks guys, appreciate the feed back
__________________
05 QCSB24v HTD 6.8L, DDP fueling PDD shifted
2011 MCSB 6.7, built 68rfe
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