anyone use the DIESELSITE 203* t-stat??? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 82 (permalink) Old 06-27-2010, 03:51 AM Thread Starter
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anyone use the DIESELSITE 203* t-stat???

just read the info on it, just wondering if anyone has one & result's???

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post #2 of 82 (permalink) Old 06-27-2010, 04:15 AM
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Re: anyone use the DIESELSITE 203* t-stat???

Got it. No noticeable difference to me.

2001 F250 CrewCab mild mods
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post #3 of 82 (permalink) Old 06-27-2010, 04:20 AM
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Re: anyone use the DIESELSITE 203* t-stat???

yea, ive run one for quite a while, just another piece to the puzzle i guess, i def like their billet housing thats worth every penny

Donnie
2001- just the basics

2005 6.0 Studded, Deleted, 58v Swamps/PHP tuned Ficm, SOLD
99.5 hybrids, termy modded 17*, GT4294 TOTALED

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post #4 of 82 (permalink) Old 06-27-2010, 04:27 AM
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Re: anyone use the DIESELSITE 203* t-stat???

I really like the billet housing also. First thing I ever bought from Bob.




Early '99 F350 DRW, Excab, LB. Auto. 2WD, 2010 bed, 2005 headlights, 298K, on my way to 1000K.
H2E, 238 Hybrids, Adrenaline oil, Tuned by Tony. DIY Regulated Return.
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post #5 of 82 (permalink) Old 06-27-2010, 04:14 PM
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Re: anyone use the DIESELSITE 203* t-stat???

For me the 203* thermostat was a waste of time and money. Never worked, stuck open from day one. Even if it did work I still think its a joke. Save your money

2002 F250 7.3 PSD
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post #6 of 82 (permalink) Old 06-27-2010, 04:32 PM
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Re: anyone use the DIESELSITE 203* t-stat???

dang I have one sitting around never opened maybe I should just send it back

'97 Powerstroke SCLB:
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post #7 of 82 (permalink) Old 06-27-2010, 05:41 PM
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Re: anyone use the DIESELSITE 203* t-stat???

I had one for a couple of years, really couldn't tell the difference between it and a stock one. About 8,000 miles ago I did Upper (dual alternator) and lower radiator hoses and a coolant flush and went back to stock....

Billet housing is spiffy though........

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2002 F-250/CC/SB/4"SS Magnaflow/Evolution2/HPX/Pre pump mod/Harpoon/65psi fuel shim/FTVB/Zoodad mod/2008 Diff Cover/V-10 transmission cooler
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post #8 of 82 (permalink) Old 06-27-2010, 05:59 PM
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Re: anyone use the DIESELSITE 203* t-stat???

i get a lot more heat in the winter with mine..

the 203 is not about more power.. its about being more efficient with the fuel being used (cleaner burn).. IH found the 203 works best for the 7.3.. the big CAT's and Cummins you see in big trucks run 208..in my tractor trailer .the only time I see these temps met is when the truck is pulling hard in the hills where you need every bit of power you get without wasting fuel..when she gets to 208 the fan kicks on and the temps drop to about 200+ and climb again...the rest of the time its running around 190..I see about the same in my PSD...180 for the most part but I make her work the temps climb.

Early 99 7.3 F350 auto,TN T-4 mount with a s467 for air,H-11's stud's SRP 1.1 for oil all supplied by unlimited diesel..beehives, DI push rod's, new alliant 315/200 hybrids,Driven diesel fuel system with a fuel lab 41401. ...tuned by Gearhead..
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88 F250 7.3 IDI plow truck 112k - bone stock.
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post #9 of 82 (permalink) Old 06-27-2010, 10:41 PM
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Re: anyone use the DIESELSITE 203* t-stat???

Not worth it IMO

1997
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post #10 of 82 (permalink) Old 06-28-2010, 12:10 AM
riverjet
 
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Re: anyone use the DIESELSITE 203* t-stat???

Made my oil temps about 5-10 deg.higher and lost about 5lbs of oil press.at idle. Took it back out and truck returned to normal.

2001 f250 xlt reg cab 4x4,7.3 stock injectors,water/meth,ITP rr,walbro,5/8 pu,BD/MANN ccv,DP F5,OILGUARD,stock turbo,WW,ATS,1.0 exh.housing,high flow outlet,MBRP4",Billet 3-disk,built trans,Billsteins,11 ISSPRO PERFORMAX gauges,Scan gauge,08 rear cover,350 blocks,x-springs,AFE stg2/pg7,P265/75r16 NITTO Terragrapplers.
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