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03-21-2020, 12:08 PM
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#1
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Name: JRas
Title: Rookie
Status: Not Here
Join Date: Apr 2017
Member`s Gallery
Posts: 8
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12v rebuild, what upgrades?
Hey,
I have a 98 12v had an ARP head stud fail and blew my head gasket (~8 years)
I removed the head, had the head rebuilt / surfaced from a friend. 6 weeks later... I got it back from him. Put the new head on, 2 weeks later blew it again.
Decided to pull the engine, and have the block decked, and head o-ringed. While I'm at it have it freshened up.
I had a crack in cylinder 5 piston inside the bowl 215hp piston. Machinist is recommending Mahle 930036335, looks to be based off a NON-IC 1st gen Piston. Debated marine Pistons but didn't want to lose compression on a street truck; but I want a better bowl design. Good choice?
Disassembled everything and brought it down to a competent machinist / builder
My current setup is
215hp ppump (just sent out to get freshened up)
PDD budget 5x.012 injectors
AFC Live with max travel, debated deleting
4k GSK
cummins 60lb valve springs
he351 with 67mm exhaust upgrade ~45psi
new arp2000's again..kinda wishing i went 625 this time..probably overkill
upgrades:
Sent 215 ppump to Seth for rebuild, he recommended a complete overhaul and calibration.
Decided to do ARP rod bolts, was debating ARP mains.. but already 14mm stock. Is it worth spending the extra $250-275?
Balancing the rotating assembly
thinking an ATI damper
Bought a new aftermarket tappet cover (overkill fab) but may replace.. uses a cork gasket seems sketchy and it doesn't have a spot for blowby tube. Would it be bad to just run a 24v style at the front to a catch can only? I would go the dual breather cover but my valve covers are currently at powder coat, could always buy one and get it coated as well.
Bought billet oil squirters
deleting my vacuum pump and gonna run an electric vacuum pump
replacing freeze plugs with billet the common 3-4
fleece coolant bypass
Is there anything else you would recommend? power goals are kinda up in the air at the moment. he351 was rebuilt and that 67mm exhaust housing seems nice. It's a manual nv5600 with dual disc valair organic. I'd maybe go a 62 or 61-65-14 s300(even worth it?), but I want something with good driving manners, not laggy, quick spooling and fun. Feel like I would go compounds before a big single.
Why do guys run the adjustable timing gears, ease of changing the timing? does it make sense to run one if i'll probably just set and forget(thinking 16-18*). The billet timing covers look nice but what benefits do they have, being able to access the timing gear to make those adjustments?
Thanks for taking the time to read my rambles
Last edited by JRas; 03-21-2020 at 12:16 PM.
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03-21-2020, 04:46 PM
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#2
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Name: Smokem
Title: Turbler
Status: Not Here
Join Date: May 2006
Location: Iowa
Member`s Gallery
Posts: 5,565
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Non I/C piston, modified 370 marine injector, 035 delivery valve, modify the AFC correctly, and a 63mm or 64.5mm S300 SX-E with 68mm turbine and whichever turbine housing suits your needs. This will make 500-600hp depending on how aggressive you are with injection timing, no need for an adjustable gear.
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03-21-2020, 05:02 PM
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#3
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Name: 95cummins5.9
Title: Old man ***** gossiper
Status: Not Here
Join Date: Jun 2012
Location: U.S.A
Member`s Gallery
Posts: 4,715
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Fluiddamper is a better choice over the ATI in my opinion .
__________________
Quote:
Originally Posted by jfaulkner
puzzy, tune it.
I don't own anything stock, from engines to boobies I've modded them all. Life is too short to live with mediocre chit.
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03-21-2020, 05:36 PM
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#4
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Name: JRas
Title: Rookie
Status: Not Here
Join Date: Apr 2017
Member`s Gallery
Posts: 8
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Quote:
Originally Posted by Smokem
Non I/C piston, modified 370 marine injector, 035 delivery valve, modify the AFC correctly, and a 63mm or 64.5mm S300 SX-E with 68mm turbine and whichever turbine housing suits your needs. This will make 500-600hp depending on how aggressive you are with injection timing, no need for an adjustable gear.
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The 5x012 I have are not that old, but 145 SAC. I'll talk to PDD see if they think that will be a problem with pistons.
Seth was saying no to DV, said I'll have plenty of fuel
I'll look into those turbos for the future, Thank you
Quote:
Originally Posted by 95cummins5.9
Fluiddamper is a better choice over the ATI in my opinion .
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Why do you prefer the Fluiddamper?
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03-21-2020, 06:40 PM
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#5
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Name: 95cummins5.9
Title: Old man ***** gossiper
Status: Not Here
Join Date: Jun 2012
Location: U.S.A
Member`s Gallery
Posts: 4,715
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Fluiddamper is one piece to start with. But at the power level you would be at, if the stock one is in decent shape, run it!
__________________
Quote:
Originally Posted by jfaulkner
puzzy, tune it.
I don't own anything stock, from engines to boobies I've modded them all. Life is too short to live with mediocre chit.
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03-21-2020, 08:21 PM
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#6
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Name: Smokem
Title: Turbler
Status: Not Here
Join Date: May 2006
Location: Iowa
Member`s Gallery
Posts: 5,565
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Quote:
Originally Posted by JRas
The 5x012 I have are not that old, but 145 SAC. I'll talk to PDD see if they think that will be a problem with pistons. Seth was saying no to DV, said I'll have plenty of fuel
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The non intercooled piston uses a 155° cone angle, and I would typically recommend using a nozzle that isn't Chinese. A larger delivery valve allows to use less rack travel which is beneficial in a 215hp pump as to stay out of the upper helix.
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03-21-2020, 08:49 PM
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#7
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Name: thatguy69
Title: Too Much Time
Status: Not Here
Join Date: Jul 2011
Location: Mansfield Ohio
Member`s Gallery
Posts: 2,023
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In on this one
__________________
1999 Compound 24v Rust Rocket
2008 F350 P24v/Allison
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03-22-2020, 11:15 AM
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#8
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Name: BigPapa
Title: Truckless
Status:
Here
Join Date: Jan 2008
Location: Springfield, TN
Member`s Gallery
Posts: 5,010
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Quote:
Originally Posted by thatguy69
In on this one
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X2
I have a set of injectors Weston worked his magic on two years ago (can’t BELIEVE it’s been that long, Weston) and a virgin low mileage 175 pump that I have yet to modify and install.
__________________
Scott
2003 Avalanche Z71
Common sense is like deodorant. The people that need it most never use it.
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03-22-2020, 05:20 PM
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#9
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
Member`s Gallery
Posts: 4,396
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Even on stock dodge truck small bowl piston, wider spray angle injectors have ran stronger.
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03-23-2020, 11:06 PM
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#10
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Name: JRas
Title: Rookie
Status: Not Here
Join Date: Apr 2017
Member`s Gallery
Posts: 8
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Quote:
Originally Posted by 95cummins5.9
Fluiddamper is a better choice over the ATI in my opinion .
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Quote:
Originally Posted by 95cummins5.9
Fluiddamper is one piece to start with. But at the power level you would be at, if the stock one is in decent shape, run it!
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I ran my stock one since I owned the truck but had heard of benefits with a manual trans, additionally wouldn't mind it feeling smoother throughout the rpm range. I'm running Poly engine and trans mounts as well
Seems like the Fluiddamper is definitely more popular and incorporated in newer cummins engines, fluid seems sketchy to me personally.
I would really like to run one of those fleece barring tools, only works for OEM and Fluiddamper.
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03-23-2020, 11:08 PM
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#11
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Name: JRas
Title: Rookie
Status: Not Here
Join Date: Apr 2017
Member`s Gallery
Posts: 8
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Quote:
Originally Posted by Smokem
The non intercooled piston uses a 155° cone angle, and I would typically recommend using a nozzle that isn't Chinese. A larger delivery valve allows to use less rack travel which is beneficial in a 215hp pump as to stay out of the upper helix.
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I'll talk to Seth and see what he says about it. Pick his brain some
Is there a downside to running a 145 in a 155 bowl?
Quote:
Originally Posted by jasonc
Even on stock dodge truck small bowl piston, wider spray angle injectors have ran stronger.
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Performance wise but efficiency and hazing at idle though? I thought there was some reason PDD offered these in the "right" spray pattern.
Last edited by JRas; 03-23-2020 at 11:10 PM.
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03-23-2020, 11:22 PM
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#12
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Name: Smokem
Title: Turbler
Status: Not Here
Join Date: May 2006
Location: Iowa
Member`s Gallery
Posts: 5,565
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Quote:
Originally Posted by JRas
Is there a downside to running a 145 in a 155 bowl?
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Less power.
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03-24-2020, 09:06 AM
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#13
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Name: zachu812
Title: Too Much Time
Status: Not Here
Join Date: Apr 2016
Member`s Gallery
Posts: 419
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Main studs, any after market damper, and coolant bypass (especially with billet freeze plugs) are unnecessary at this level IMO. I'd save your money and pass on the adjustable gear and billet timing cover as well if you aren't going to be screwing with timing every other weekend.
__________________
1995 RCLB 4x4: H-pump, 5x.012s, HX35
2001 RCLB 4x4: H-pump, 6x.013s, S472/S488
EdzGarage, Matt's Diesel Supply, HTS Transmissions
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03-24-2020, 10:40 AM
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#14
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Name: zfaylor
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Nov 2010
Location: P-TOWN!, Indiana
Member`s Gallery
Posts: 5,024
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Quote:
Originally Posted by zachu812
Main studs, any after market damper, and coolant bypass (especially with billet freeze plugs) are unnecessary at this level IMO. I'd save your money and pass on the adjustable gear and billet timing cover as well if you aren't going to be screwing with timing every other weekend.
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This. 500hp in a 12 valve is so 1997.
__________________
2015 half ton heavy chevy
81 Fairmont LS project
Many yard ornament projects...
North American Turbo
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03-26-2020, 09:47 PM
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#15
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Name: JRas
Title: Rookie
Status: Not Here
Join Date: Apr 2017
Member`s Gallery
Posts: 8
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Quote:
Originally Posted by zachu812
Main studs, any after market damper, and coolant bypass (especially with billet freeze plugs) are unnecessary at this level IMO. I'd save your money and pass on the adjustable gear and billet timing cover as well if you aren't going to be screwing with timing every other weekend.
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Think I'm definitely overkill but I figured it's out so do stuff to increase reliability and longitivtiy.
Thank you for the input, what would you recommend?
I bought a dual valve cover recently so I'll have to send that to powdercoat. Was gonna run a baffled tappet cover but heard even those are not as good, and leak some.
Quote:
Originally Posted by zfaylor
This. 500hp in a 12 valve is so 1997.
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haha, I'm not racing my truck. This is my dd / work truck / offroad fun
different turbo may come and more power but it's nice having something that spools quick and offers drivability.
In the future I may pick up a dedicated work truck as well.
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03-26-2020, 10:11 PM
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#16
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Name: dieselmommaof2
Title: Rookie
Status: Not Here
Join Date: Oct 2017
Member`s Gallery
Posts: 12
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Cam gear retainer of your choice!!
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03-26-2020, 10:40 PM
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#17
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Name: JRas
Title: Rookie
Status: Not Here
Join Date: Apr 2017
Member`s Gallery
Posts: 8
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Quote:
Originally Posted by dieselmommaof2
Cam gear retainer of your choice!!
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Thought that was for helical cut cams, and not needed for stock application?
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03-27-2020, 12:06 PM
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#18
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Name: bateman
Title: Too Much Time
Status: Not Here
Join Date: Feb 2019
Location: Alabama
Member`s Gallery
Posts: 2,668
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Stock gears are helical.
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03-28-2020, 10:23 AM
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#19
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Name: Muddin_dude06
Title: ...
Status: Not Here
Join Date: Sep 2007
Location: Chandler OK
Member`s Gallery
Posts: 2,541
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Definitely do a cam retainer. And tab the KDP. I’d say o-ring the block or head.i put a billet tapper cover on and plugged its vent tubes and have two of the dual valve cover breathers, so far so good.
__________________
'96 2500 4x4 5sp. 3” Full Long arm lift w/35's
ValAir DD Clutch w/ Input
DFI 5x.012’s, O-ringed, 625’s
Hamilton 178/208, pushrods, PDD street springs, S362sxe/.7WG
‘12 LML crew cab swb 4x4 RC 3.5” lift with 33’s
Anarchy tune
5” exhaust w/ Jones 5050XL
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04-11-2020, 10:05 AM
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#20
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Name: Destroked 450
Title: Too Much Time
Status: Not Here
Join Date: Mar 2015
Location: Harned,Ky.
Member`s Gallery
Posts: 340
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I've been running 1st gen non inner cooled pistons in my Fummins tow rig for a few years now, doesn't see a lot of miles but stays hooked to a trailer 90% of the time.
__________________
Mine: 04 F-450 sc 4x4 fb drw 5.9 12v 215 ppump, zf6, kdp fixed, 3k gsk, AFC Live, super b single, pusher intake, d-celerator ebrake
Hers:2018 F-150 sc 4x4 5.0
Farm trucks: 01 Z71 ext cab, 95 S10, 93 F-800 8.3 Cummins, 87 AM General 5 ton
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