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07-06-2018, 08:57 PM
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#1
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Name: Smitty256
Title: Too Much Time
Status: Not Here
Join Date: May 2014
Location: Killen, Al
Member`s Gallery
Posts: 234
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O-ring or Fire ring?
I’ve had a lot of different answers on this and I’m still puzzled. Which is best suited for around 1000hp and why? This will be a 12v truck, the max power it will ever see is maybe 1100-1150 due to budget. I’ve heard of people going 1200 on just studs but I want a little bit more since I’m doing a motor build.
Truck will be a 98 lbsc 12v, Farrell 650cc 12mm, 5x.025 sticks, timing at 26*, Fass 220, S366 (66/74 .91) over a S480 (80/96 1.32). Small shot of no2. Hamilton 188/220 cam, wide bowl pistons. ARP 2000
Any input is appreciated!
__________________
95 12v Cummins in peices
98 12v Cummins under construction
06 Cummins dropped, EFI by Robert Ivey
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07-06-2018, 09:24 PM
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#2
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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 Smitty256
I’ve had a lot of different answers on this and I’m still puzzled. Which is best suited for around 1000hp and why? This will be a 12v truck, the max power it will ever see is maybe 1100-1150 due to budget. I’ve heard of people going 1200 on just studs but I want a little bit more since I’m doing a motor build.
Truck will be a 98 lbsc 12v, Farrell 650cc 12mm, 5x.025 sticks, timing at 26*, Fass 220, S366 (66/74 .91) over a S480 (80/96 1.32). Small shot of no2. Hamilton 188/220 cam, wide bowl pistons. ARP 2000
Any input is appreciated!
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Personally unless you over torque your ARP 2000s I don’t think you’ll get enough crush on an oring or firerings to seal that cylinder pressure. If you over torqued then I’d say oring would help. However if I was in your shoes I’d do it right and get ARP 625s and have it fire ringed, with a decked block/ head.
__________________
05 QCSB24v HTD 6.8L, DDP fueling PDD shifted
2011 MCSB 6.7, built 68rfe
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07-06-2018, 09:56 PM
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#3
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Name: Smitty256
Title: Too Much Time
Status: Not Here
Join Date: May 2014
Location: Killen, Al
Member`s Gallery
Posts: 234
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Ok well let me ask this, will 2000’s hold the power I’m gonna make with just a gasket?
__________________
95 12v Cummins in peices
98 12v Cummins under construction
06 Cummins dropped, EFI by Robert Ivey
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07-06-2018, 10:29 PM
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#4
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Name: QMFB
Title: Fastest Welder in Texas
Status: Not Here
Join Date: Apr 2016
Location: Corpus Christi, TX.
Member`s Gallery
Posts: 1,061
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Yes. As long as you can make that power higher in the rpm range, and not let off quick.
__________________
04 CCLB DRW - 6.4 Cummins, HPTuners, 80% S&S, 10mm S&S CP3, AD165, s464 /s475, full billet 48re, Arp's EVERYWHERE, mild head work, lots of time and money... And never done.
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07-06-2018, 10:30 PM
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#5
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Name: QMFB
Title: Fastest Welder in Texas
Status: Not Here
Join Date: Apr 2016
Location: Corpus Christi, TX.
Member`s Gallery
Posts: 1,061
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Keep your timing down...
__________________
04 CCLB DRW - 6.4 Cummins, HPTuners, 80% S&S, 10mm S&S CP3, AD165, s464 /s475, full billet 48re, Arp's EVERYWHERE, mild head work, lots of time and money... And never done.
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07-06-2018, 11:20 PM
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#6
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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 Smitty256
Ok well let me ask this, will 2000’s hold the power I’m gonna make with just a gasket?
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I’d be more comfortable with it not in compounds, if you deck the block and head it will make the headgasket last a hell of a lot longer. I’d also over torque the studs but apparently that makes me an idiot
__________________
05 QCSB24v HTD 6.8L, DDP fueling PDD shifted
2011 MCSB 6.7, built 68rfe
Last edited by Justappumped24v; 07-06-2018 at 11:26 PM.
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07-06-2018, 11:32 PM
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#7
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Name: Poulina
Title: Too Much Time
Status: Not Here
Join Date: Dec 2015
Location: Norcal
Member`s Gallery
Posts: 795
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Haisley fire ring mls and 625’s...
I dd my **** hard, not always with the engine at operating temp lol, best combo period if you don’t want to ever worry about hg failure
__________________
2008 QCLB 6.8 48re Suncoast PCS, DDP supermentals, forcedinductions 467/87, Hamilton 188/220, Carrillos, studded mains w/stock girdle
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07-06-2018, 11:40 PM
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#8
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Name: Smitty256
Title: Too Much Time
Status: Not Here
Join Date: May 2014
Location: Killen, Al
Member`s Gallery
Posts: 234
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Quote:
Originally Posted by Justappumped24v
I’d be more comfortable with it not in compounds, if you deck the block and head it will make the headgasket last a hell of a lot longer. I’d also over torque the studs but apparently that makes me an idiot
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Well I’ve been thinking about going single anyway, what size would you recommend? And what stall converter?
I always over torque mine by 15-20 so I guess that makes me an idiot too lol
__________________
95 12v Cummins in peices
98 12v Cummins under construction
06 Cummins dropped, EFI by Robert Ivey
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07-07-2018, 12:42 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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Quote:
Originally Posted by Smitty256
Well I’ve been thinking about going single anyway, what size would you recommend? And what stall converter?
I always over torque mine by 15-20 so I guess that makes me an idiot too lol
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Sxe 369/.91T4 with no spray
S467.7/.90T4 with spray
2200 stall should be ok maybe 2400 If you run higher timing
__________________
05 QCSB24v HTD 6.8L, DDP fueling PDD shifted
2011 MCSB 6.7, built 68rfe
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