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04-30-2020, 11:28 AM
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#1
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Name: 9724VF350
Title: Tractor Guy
Status: Not Here
Join Date: Mar 2010
Location: Northeast Ohio
Member`s Gallery
Posts: 2,784
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Towing timing
About to stick a fresh Farrell built 913 on my truck. Was wondering what you guys have been happy with on timing setting for a primarily towing vehicle.
Pump is at 450cc.
Timing is set on the pump at port closure.
181's
4k's
100cc at 0 boost
450cc at 35psi
0 plate
Farrell modified AFC
62mm/HT3B, don't remember more details on the 62, but I kind of wish it was smaller. I'm guessing it's my most anti-towing piece.
Lightly ported head.
F1 mach 3 injectors.
I'm thinking 18-20*
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97 F350 4X4 CC Dually 5spd 24V 913 S300/HT3B Ranch Hand.
Playtoy-Oliver 1655. 12V now  , 13mm, S475
Wife's ride-03 Excursion 12V swap in the works.
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04-30-2020, 11:33 AM
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#2
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Name: Mudn_1
Title: Sweet Home
Status: Not Here
Join Date: Apr 2007
Location: Trussville
Member`s Gallery
Posts: 5,290
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I'm going to say more like 22-26*. P24v seem to do better with more timing than a 12v.
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"One Up'N The Competition"
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04-30-2020, 12:14 PM
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#3
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Name: Signature600
Title: THA MAN!
Status: Not Here
Join Date: Aug 2006
Location: Jeffersonville, Ohio
Member`s Gallery
Posts: 11,975
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I always ran 17* on my 95 tow rig, but the 175's needed a bit more timing. I have no experience on a 24v p-pump truck. That truck would hook to anything sub 50K lbs and I wouldn't think twice until I tried to stop 
My 913 pump on the 98 12v was set at 24* most of the time with DDP4's and it would tow 10-12K lbs fine.
Chris
__________________
THANKS TO:
Tim Barber @ TRE Diesel
Jeff Mumau @ Mumau Diesel Service
Rip @ Source Automotive
Don Thuren @ ThurenFab Suspension
Columbus Diesel Supply
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04-30-2020, 12:18 PM
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#4
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Name: Snedge
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Sep 2006
Location: Western Pa.
Member`s Gallery
Posts: 18,859
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Quote:
Originally Posted by Mudn_1
I'm going to say more like 22-26*. P24v seem to do better with more timing than a 12v.
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Absolutely, 24V P7100 conversions like more. 26*
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04-30-2020, 04:41 PM
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#5
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Name: CorneliusRox
Title: Seasoned Rookie
Status: Not Here
Join Date: Dec 2012
Location: Detroit, MI
Member`s Gallery
Posts: 4,154
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Keep in mind he's in Northern Ohio. 26deg might be tough to start in the winter without a blip of ether or some solid batteries.
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Corey - BSME '21 Tesla Model 3 Perf
'22 DMax AT4 2500
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04-30-2020, 05:20 PM
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#6
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Name: Snedge
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Sep 2006
Location: Western Pa.
Member`s Gallery
Posts: 18,859
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Quote:
Originally Posted by CorneliusRox
Keep in mind he's in Northern Ohio. 26deg might be tough to start in the winter without a blip of ether or some solid batteries.
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Or a block heater.
We are neighbors. Western Pa. is cold too. In recent years not so much though because Al Gore fixed that.
He had mentioned towing so I said agreed with 26*, we usually run them even higher for toys.
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04-30-2020, 08:04 PM
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#7
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Name: RacinDuallie
Title: Black Sheep Racing
Status: Not Here
Join Date: Apr 2006
Location: Supporting Northeast Diesel Racing
Member`s Gallery
Posts: 17,369
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Quote:
Originally Posted by Snedge
Or a block heater.
We are neighbors. Western Pa. is cold too. In recent years not so much though because Al Gore fixed that.
He had mentioned towing so I said agreed with 26*, we usually run them even higher for toys.
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Shhhhhh.....
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05-01-2020, 08:46 AM
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#8
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Name: Mudn_1
Title: Sweet Home
Status: Not Here
Join Date: Apr 2007
Location: Trussville
Member`s Gallery
Posts: 5,290
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Quote:
Originally Posted by CorneliusRox
Keep in mind he's in Northern Ohio. 26deg might be tough to start in the winter without a blip of ether or some solid batteries.
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28* Started fine in Cold Temps with 6x016's on a 24v. Comparitively my 12v doesn't like 26* below 40. It's all to do with bowl design and spray angle. I am at 40* now in the 24v and it starts ok without ether.
__________________
"One Up'N The Competition"
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05-01-2020, 10:47 PM
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#9
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Name: TheSilverBullet
Title: All the correction factor
Status: Not Here
Join Date: Jan 2012
Location: Franklin,IA
Member`s Gallery
Posts: 1,598
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I ran my p24v at 20 for a while and it would pull a house down at like 950 rpms. New truck I’ve been towing 30k plus at 26-28.
__________________
99 3500 black Laramie~Infinitive Performance Farrel Diesel Service Goerend Transmissions
98 12 valve with all the goodies from 2008
90 w250 "brownie" straight 6 standard transmission
Quote:
Originally Posted by dvst8r
Dying is always a way bigger concern than egt's...
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