New OBS owner...I love this thing - 21.5 MPG! - Ford Powerstroke Diesel Forum
 
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post #1 of 10 Old 01-12-2012, 09:59 AM Thread Starter
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New OBS owner...I love this thing - 21.5 MPG!

Hey folks, just wanted to say thanks to all of you guys for taking the time to explain all the little things on these boards. I have learned a lot, and hope I can contribute sometime down the road.

I'm super pumped though on the MPG's with this truck (97 crew cab, 2wd short bed w/ 3.55's)...If Im good on the gas pedal and cruise at 65-67 mph on the highway I get 21.5 mpgs (Ive calculated over 3 tanks of fuel), which is awesome!

This truck has no mods, and yes I drive like an old man, but still thats pretty good, and I use the silver bottle of diesel additive.
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post #2 of 10 Old 01-12-2012, 10:00 AM
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just imagine if you did the intake, down pipe, and straight pipe it, bet you could get up to atleast 24-26

-Kris-
2000 excursion V10 2wd 230k
2000 Excursion 7.3 4x4 246k
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked


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Originally Posted by marine5811
The stock downpipe in an OBS is flat because I'm a ginger.
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Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
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Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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post #3 of 10 Old 01-12-2012, 10:05 AM Thread Starter
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Im probably gonna stay away from the intake, because in texas, and where I live, it is ridiculously dusty, and I've heard about some instances where that dust works its way into the turbo..

Where can I get the down pipe and straight pipe done? Is the down pipe a DIY thing. What would this typically cost?

Thanks and man, you got some great lookin trucks
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post #4 of 10 Old 01-12-2012, 10:11 AM
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you can do them yourself actually, the down pipe i ordered from complete performance, cptrucks.com, and he can get you the straight pipe too, if your area is dustier than you would like i hpe you either keep running the stock filter not a replacement one, or if you do the diy filter just put aa dust cover over it, it will still open up better than that stock restrictive air box

-Kris-
2000 excursion V10 2wd 230k
2000 Excursion 7.3 4x4 246k
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked


Quote:
Originally Posted by marine5811
The stock downpipe in an OBS is flat because I'm a ginger.
Quote:
Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
Quote:
Originally Posted by JJFLASH
Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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post #5 of 10 Old 01-12-2012, 10:13 AM
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Downpipe is about $100; the old flat-pancake one has to be cut to remove, and a minor body mod made.

What you've heard about the intake is probaby cf. the K&N, which is known to let too much through. The NAPA 6637 (or its Donaldson, Baldwin, etc. counterparts) is safe to use, and works in conjuction with the exhaust mods to really let the truck breathe.

Shoot, we get 21-22 bone stock and that's with a long bed 4x4. That's also with a 5-speed and 3.55s. Is yours an automatic? That'll cost a little in the MPG department.
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post #6 of 10 Old 01-12-2012, 10:17 AM
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ive hit 26 in my scsb 3" down pipe, diy intake, straight pipe stock diameter, and stacks with a race tune from my old edge

-Kris-
2000 excursion V10 2wd 230k
2000 Excursion 7.3 4x4 246k
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked


Quote:
Originally Posted by marine5811
The stock downpipe in an OBS is flat because I'm a ginger.
Quote:
Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
Quote:
Originally Posted by JJFLASH
Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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post #7 of 10 Old 01-12-2012, 10:34 AM Thread Starter
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Quote:
Originally Posted by madpogue View Post
Downpipe is about $100; the old flat-pancake one has to be cut to remove, and a minor body mod made.

What you've heard about the intake is probaby cf. the K&N, which is known to let too much through. The NAPA 6637 (or its Donaldson, Baldwin, etc. counterparts) is safe to use, and works in conjuction with the exhaust mods to really let the truck breathe.

Shoot, we get 21-22 bone stock and that's with a long bed 4x4. That's also with a 5-speed and 3.55s. Is yours an automatic? That'll cost a little in the MPG department.
Mine is an automatic. What does cf mean?
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post #8 of 10 Old 01-12-2012, 10:41 AM
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Honestly i've heard of my turbo's getting dusted with the stock filter set-up than with the DIY intake. The stockers tend to leak pretty bad and let air in unfiltered, where as the 6637 only has the seal onto the pipe which isn't a problem at all.

Jimmy
97 F-250 ECLB 7.3/E4OD/4wd, 216k miles: FFD 250/200%'s, stock turbo, built trans, e-fuel, Swamps IDM, shimmed 910's, Melling LPOP, welded cam gear/modified pick-up tube. Built and tuned by me

97 F-250 ECSB project truck:250/2's, Gen 3, S468, SD axles, studs/springs, ZF-6
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post #9 of 10 Old 01-12-2012, 10:50 AM
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Quote:
Originally Posted by JD3020 View Post
Honestly i've heard of my turbo's getting dusted with the stock filter set-up than with the DIY intake. The stockers tend to leak pretty bad and let air in unfiltered, where as the 6637 only has the seal onto the pipe which isn't a problem at all.
You are correct. The stock airbox leaves a bit to be desired.

97 F350 CCLB 4x4 PSD
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post #10 of 10 Old 01-12-2012, 11:10 AM
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Quote:
Originally Posted by trailerjack View Post
What does cf mean?
"In reference to" - proofreading shorthand, or some such...

And indeed, I've heard the same about the stock airbox, esp. given what a PITA it is to get the cover on straight (and how easy it could be to get it wrong).
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