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Unread 06-25-2012, 08:11 AM   #46
ionakana
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Dumb question. The truck is a 6speed manual, when towing should I stay in 4th gear?

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Unread 06-25-2012, 09:32 AM   #47
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only if you're struggling to maintain speed.
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Unread 06-25-2012, 12:17 PM   #48
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My 6.5td was factory exhaust when I bought it, straight piped it a few months after. It wasn't any louder through the exhaust and my temps dropped. The turbo took care of the noise pretty much like id read it would. I didn't want loud I just didn't want to melt the engine when I was pulling my boat.

The truck was definitely loud on startup but it was all engine noise, not exhaust. Once warmed up it quit sounding like the pistons were going to take out the neighbors house.

I'm not a fan of the 6.5 engine, pos imo. Swapped to a 1/2 ton f150 with the 5.4, had more power and towed better than the 3/4 did.
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Unread 06-25-2012, 12:17 PM   #49
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The truck has a DP tuner on it and I was playing around today with the different settings, 1-4. 1= stock, 2= tow, 3= economy and 4= race which I was told not to use because this truck is basically stock. When it is in 2 or 3 the truck is loud, when I go back to stock it is quiet. I've been reading online that I may want to send the tuner back and have them adjust the timing. I have it in stock mode now and it really sucks compared to the other two settings. I assume it being loud inthe other two settings may not be a good thing, could I be hurting the truck running in them. I also notice that on 3 the truck smokes a little on take off but doesn't on the stock setting. I'm a noob to diesels and trying to learn.
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Unread 06-25-2012, 12:30 PM   #50
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Quote:
Originally Posted by ionakana
The truck has a DP tuner on it and I was playing around today with the different settings, 1-4. 1= stock, 2= tow, 3= economy and 4= race which I was told not to use because this truck is basically stock. When it is in 2 or 3 the truck is loud, when I go back to stock it is quiet. I've been reading online that I may want to send the tuner back and have them adjust the timing. I have it in stock mode now and it really sucks compared to the other two settings. I assume it being loud inthe other two settings may not be a good thing, could I be hurting the truck running in them. I also notice that on 3 the truck smokes a little on take off but doesn't on the stock setting. I'm a noob to diesels and trying to learn.
That's perfectly normal sounding to me.
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Unread 06-25-2012, 12:58 PM   #51
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Originally Posted by Drix View Post
That's perfectly normal sounding to me.
So it would be normal for it be louder in one of the tuned settings than stock? Is it normal to make a little smoke in the tuned settings? Not a lot, just a puff on take off and going in to second if I get on it a little.
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Unread 06-25-2012, 01:11 PM   #52
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Quote:
Originally Posted by ionakana

So it would be normal for it be louder in one of the tuned settings than stock? Is it normal to make a little smoke in the tuned settings? Not a lot, just a puff on take off and going in to second if I get on it a little.
Yes

Do you have an Pyrometer gauge?
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Unread 06-25-2012, 06:49 PM   #53
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Quote:
Originally Posted by Drix

Yes

Do you have an Pyrometer gauge?
No, what is it for?
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Unread 06-25-2012, 07:15 PM   #54
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Quote:
Originally Posted by ionakana

No, what is it for?
Get one and don't run any tune but your stock setting.

The Pyro or EGT ( exhaust temp gauge) tells you the temp you exhaust is at. More fuel you want to make sure you don't run over 1250 for extended periods of time or you might be rebuilding your engine. Once you get the EGT gauge you will know were your temps are at in other tunes.

Get one

Get a boost gauge also for your turbo.
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Unread 06-26-2012, 06:37 AM   #55
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Are the economy and tow tunes okay once I get the gauges to make sure I'm not running to hot? I'm looking at autometer gauges, or they good enough or are there better ones? I'm going to order them today along with a pillar mount.
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Unread 06-26-2012, 07:08 AM   #56
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The are good. Never had them but my buddy had em on his duramax. I ran Isspro gauges.

Once you can see how hot your running any tune can be ran
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Unread 06-26-2012, 07:49 AM   #57
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Cool, I'm looking online at different gauges, I'll check out Isspro too. Going to drop the truck off next week at Powerstroke Specialities (powerstrokehelp.com guy) and have the truck completely serviced and install the guages. I could probably do it myself but I'm crunched for time this month. The truck has been maintained, I bought it from a friend of a friend but I would still feel better getting it done. I won't be driving it much for a few weeks anyway which sucks, I love this truck! Thanks for the help!
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Unread 06-26-2012, 05:46 PM   #58
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Quote:
Originally Posted by ionakana
Cool, I'm looking online at different gauges, I'll check out Isspro too. Going to drop the truck off next week at Powerstroke Specialities (powerstrokehelp.com guy) and have the truck completely serviced and install the guages. I could probably do it myself but I'm crunched for time this month. The truck has been maintained, I bought it from a friend of a friend but I would still feel better getting it done. I won't be driving it much for a few weeks anyway which sucks, I love this truck! Thanks for the help!
No problems man. Diesels run deeper then Jeeps for me (flame suite on). Check out powerstroke.org and powerstrokenation.com. Lots of info on those 2 sites. The diesel community is as almost as large as the jeeper community.

I was thinking also since you don't have an automatic trans for a third gauge check out an HPOP gauge. Most trucks are autos so typically the three gauges you get are trans temp EGT and boost. But you don't need the tranny temp with the manual trans.
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Unread 06-26-2012, 06:13 PM   #59
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Autometer and Isspro are the best gauges out there. You can't go wrong with either one.

Don't use the tow tune for towing up steep hills (if you have them in GA) until you have a pyro gauge. I have to watch mine like a hawk going up the steep CO passes...and I mean steep. However, I love how my 7.3 maintains and even exceeds speed limit on those long brutal climbs.

I agree with Drix - both sites have an amazing amount of knowledge. Good call on the HPOP gauge. I never thought of that (mine's an automatic).
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Unread 09-05-2012, 11:33 AM   #60
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So I've had this truck for a few months now. One of the injectors started acting up a little so we replaced all of them with an upgraded injector. My truck is an early 99, the injector we installed is a Mark 4(?) and the truck runs so much better with these injectors in it. We also replaced all the glow plugs and the wiring harness while we had the valve covers off. I absolutely love this truck and want to make it my daily driver, I'm averaging 20mpg, doesn't matter if I'm on the expressway or city driving, it gets 20. I do wish the truck had a 7th gear when running down the expressway. It has a 3.73 gear in it now, would going down to a 3.55 help? I'm not worried about towing, it'll pull a house over if it can get traction, the truck is a beast and I'm only towing 8000 lbs at the most the few times a year I will tow. A friends newer cummins has a 3.55 gear but it's an auto, just wondering what it would do to me with the 6spd manual? I'm running 285/75/16 tires, I believe they're basically 33" tires. Would going to a 35" tire do the same thing as the 3.55 gear?
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