35s on a obs?? - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 7 (permalink) Old 11-16-2014, 06:19 AM Thread Starter
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35s on a obs??

1997 f350 cclb 4x4 zf5 4" suspension lift and 35's falken all terrain tires. Has a bed topper too. Stock 4.10s gear

Truck was bought a couple month ago by my fiancÚ. She hasn't driven it besides when she and her dad picked it up and sitting at are apartment now. She's only started it took it around the block a couple times to warm it up then parked it. It's always been a dream truck of mine and now that I have it I can't wait to get home to it.

Currently deployed in afghanistan and I'll be home in a couple days. What mpg should I expect out of it? I heard on the highway to keep it no more then 2000 rpms and just set the cruise and let it go.

Don't know if the speedometer has been recal or not but I'll check it out on the highway set at 60 and countdown from 60 between mile markers.

As well its all stock everything besides lift tires. I was looking at doing the 6637 air intake mod and a 3" downpipe/ 4" exhaust diamond eye combo and a edge ccts tuner sense it's all in one guages and tuner.

With these said mods hopefully it'll be a little bit more uph in the old truck.

It's be a dd to and from work and towing my drag car to the strip or back to Oklahoma.

Thanks

James

1997 f350 crew cab long bed 4x4 zf5 lifted 4" and 35's falken A/T tires and a matched bed topper
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post #2 of 7 (permalink) Old 11-16-2014, 04:41 PM
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Re: 35s on a obs??

Well its a big truck with a lift & big tires. Id say u could see anywhere depending on alot of factors between 12-18mpgs.
Its a diesel dont be afraid to wind it up its not gonna hurt anything. I mean if u want Great mpgs Yea keep it as low as possible but dont be scared to drop down a gear & spin it if u come to a Hill.

You will like the intake & exhaust & it will help it breath better.

I do suggest a custom tuned chip & good mechincal gauges. Id take a look at power hungry performance Hydra Chip.

Really the injectors are gonna be the limiting factory for power.


Also Hint these trucks are addictive.

96 F250 2WD, 286K, Built E4OD, 180cc Injectors, Tony Wildman Tunes, Beans Fuel System, 3in DP - 4in MRBP exhaust, CAI, 4:10LS SCLB, Traction bars,

62 F250 4X4, 223 I6, T98 4 speed, 4:56s RCFS (Reg Cab Flare Side. Factory) 31x10.50x15s, currently on 16in Alcoas
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post #3 of 7 (permalink) Old 11-17-2014, 07:01 AM Thread Starter
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Re: 35s on a obs??

So I take and exhaust I'll keep. What guages should I get being a man transmission? I know egt and boost are a must. Anything else I should moniter?

1997 f350 crew cab long bed 4x4 zf5 lifted 4" and 35's falken A/T tires and a matched bed topper
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post #4 of 7 (permalink) Old 11-17-2014, 06:58 PM
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Re: 35s on a obs??

Thats about it but if u want u could look into a Scan Gauge & maybe a Drive pressure gauge

96 F250 2WD, 286K, Built E4OD, 180cc Injectors, Tony Wildman Tunes, Beans Fuel System, 3in DP - 4in MRBP exhaust, CAI, 4:10LS SCLB, Traction bars,

62 F250 4X4, 223 I6, T98 4 speed, 4:56s RCFS (Reg Cab Flare Side. Factory) 31x10.50x15s, currently on 16in Alcoas
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post #5 of 7 (permalink) Old 11-17-2014, 08:45 PM
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Re: 35s on a obs??

I get 12 with 35's toyo mt's and 3.55's
and brand new injectors

Chris

Moore, Oklahoma



1996 Ford F350 4x4 Crew Cab PSD
6637 tymar
285-75-16 BFG All Terrains/Weld Wheels
3:55 gears
Automatic with billet convertor, tugger and alto discs
New Gearhead Tunes:
1 heavy tow
2 stealth mode
3 tow/econ
4 street perf
5 all out
6 high idle
1.0 housing
exhaust
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post #6 of 7 (permalink) Old 11-18-2014, 04:31 PM
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Re: 35s on a obs??

Re: Post #3

The EGT is the one gauge you really have to have if you want MPG.

Ten years ago a racer advised me that keeping EGT below 600 degrees results in good MPG. I have found that to be very sound advice. Lower EGT means lower fuel burn.

Check out the "Tire Size" sticky. New info.

2000 F-350 SC 4x2 6 speed
3.08 gears Gear Vendor Overdrive
Slammed 4"
Rugged Air Dam
315,000 miles
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post #7 of 7 (permalink) Old 11-18-2014, 05:20 PM
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Re: 35s on a obs??

We just did one with Stage 1's 160 stock nozzles, everything else stock except for 34" tires and 4.10's Here at 5000' customers getting 21-22 on the hyway.

We only carry the BEST parts and never compromise just to get a sale.

Dealer for: Full Force, Tymar, BTS, Icon, Pure Performance, TW tunes, just to name a few.

email:
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Introduction only. Please email if I can help.
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