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7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

       
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Old 05-25-2005, 11:47 PM   #1 (permalink)
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Exhaust Break anyone? please advise

We are thinking about adding a exhaust break to our upgrade plan. . What are the current thoughts on this part. I know I woulden't have a Peterbuilt without one. Just wondering if anyone has used one on a F350.?.?...Is it worth it.? I know the breaks on my truck have always sucked-it can use all the help it can get.... [img]/ubbthreads/images/graemlins/tongue.gif[/img]
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Old 05-26-2005, 12:07 AM   #2 (permalink)
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Re: Exhaust Break anyone? please advise

Having owned an F350 CC Dually (The Enterprise) with a little extra fuel in the bed (119 gallons - like I said just a little [img]/ubbthreads/images/graemlins/wink.gif[/img]) I could not see the advantage to having an exhaust brake until.... I bought my new to me truck which has one installed by the previous owner. Now I'll never own another diesel without an exhaust brake. Man talk about nice - it sure is sweet. If I have to bring her to an abrupt whoa it can be done very easily - drop a gear, flip the switch and press on the brake - trust me you will find every last french fry from under the rear seat that used to be up against the rear wall of the cab. If I'm just doing normal driving and want to stop for a stop light I don't even touch the service brakes until I'm below 10mph - I can stop completely without touching the service brakes if I plan it right. Only problem is if the pavement is wet (during even a light rain) she will slow the rear tires enough that the rear end can scoot a little - not bad because the tires are still turning it's just that they are turning at a slower rate than needed.

Trust me you want the EB. You won't be disapointed.
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Old 05-26-2005, 02:55 AM   #3 (permalink)
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Re: Exhaust Break anyone? please advise

speaking of exhaust brakes, does anyone know of a reputable manufacturer. I have looked at banks's stuff, and like it, but do they make a EB system for our trucks? I'm young and new to diesel trucks, but have helped maintained medium duty diesels on fishing boats, so i found word of mouth advertising to be the best.

--Ryan
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Old 05-26-2005, 07:21 AM   #4 (permalink)
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Re: Exhaust Break anyone? please advise

This exhaust brake works without changing out your valve springs.I have one and it works pretty good. It doesn't find old food though,like the goat boys. [img]/ubbthreads/images/graemlins/biggrin.gif[/img] click here---Rob
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Old 05-26-2005, 08:38 AM   #5 (permalink)
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Re: Exhaust Break anyone? please advise

I run a Pacbrake brand. Also the other bennie to EB's is you can flip them on when you want to idle the engine to combat wet stacking and speed the warm up of the engine in the wintertime. Makes shorter work of defrosting the winders - I may own a scraper but refuse to use it - because it's cold outside.
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Old 05-26-2005, 09:17 AM   #6 (permalink)
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Re: Exhaust Break anyone? please advise

How does an EB effect a turbo? And if some EB need to have valve springs changed do the springs come with the brake kit? I sure would like to have a braking system I was confident in.
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Old 05-26-2005, 09:28 AM   #7 (permalink)
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Re: Exhaust Break anyone? please advise

Exhaust brakes are "oficially" not supposed to be used on hydraulic lifter engines but lots of people do without problems (especially Powerstrokes). Also the valve springs are the limiting factor in how much back pressure you can run. I am not aware of any valve spring upgrades for these old motors so you get what you get but something is definitely better than nothing.

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Old 05-26-2005, 09:50 AM   #8 (permalink)
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Re: Exhaust Break anyone? please advise

Argve,
should one worry about overpressurizing his engine at high RPM? What about use with the E4OD tranny?? Now I don't want any trouble with dat ting. You have a standard tranny right?

>V<
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Old 05-26-2005, 01:50 PM   #9 (permalink)
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Re: Exhaust Break anyone? please advise

Yep I'm bolt action in this truck so the effectiveness of the EB is more pronounced but I would not worry about it with the E4OD one bit the only thing that I would add is a feature where you can keep the TC locked up while the brake is engaged. I do believe that BD Performance makes a unit for the E4OD but you might want to check into it, because if you can keep the TC locked you will be very close to the operation of a stick on the slow down.

I have not heard of increased poundage springs for the IDI but Ken from DPS performance might have a bead on some or I would think he has looked into it since he is into things for the IDI that other companies have bypassed because of limited sales potential (he seems to be the only one in the world that can lay his hands on special items for the IDI).
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Old 05-26-2005, 02:19 PM   #10 (permalink)
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Re: Exhaust Break anyone? please advise

[ QUOTE ]
This exhaust brake works without changing out your valve springs.I have one and it works pretty good. It doesn't find old food though,like the goat boys. [img]/ubbthreads/images/graemlins/biggrin.gif[/img] click here---Rob

[/ QUOTE ]

$1195. OOF! There's a kick in the nuts. I guess I'm not buying one soon.
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Eric -> '92, F250, 7.3l IDI, extracab, longbox, one ton spring in the rear,Borg Warner 1356 transfer case, 12500lb winch. 280k km. Since purchased in June 2003 repairs include: ball joints, tie rod ends, all u joints, water pump, radiator, brake calipers, brake pads & shoes, rear drums, front wheel bearings & seals, rear axel seals, replaced transfer case, rebuilt rear differential, replaced bent drive shaft, replaced drive shaft support bearing, K&N air filter, dual 2.5" exhaust.
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Old 05-26-2005, 03:49 PM   #11 (permalink)
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Re: Exhaust Break anyone? please advise

Yes they are pricey but they are worth their weight in salt. You can find them used from time to time on flea bay. I seen one for sale on TDR that was an inline type (meaning could be used on anything with an exhaust pipe) for around 750 clams.
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Old 05-27-2005, 07:53 AM   #12 (permalink)
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Re: Exhaust Break anyone? please advise

[ QUOTE ]
I seen one for sale on TDR that was an inline type (meaning could be used on anything with an exhaust pipe) for around 750 clams.

[/ QUOTE ]when you buy a used one ,it needs to match your diameter of exhaust pipe.I bought mine used from a TDS member about a year ago,for $300.00 .What a deal,I had just changed to a 3" exhaust and it fit perfect. I don't think I would buy one if I had to pay over $1200. [img]/ubbthreads/images/graemlins/eek.gif[/img]---Rob
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Old 05-27-2005, 12:16 PM   #13 (permalink)
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Re: Exhaust Break anyone? please advise

If I read the "de-cellerator" website correctly, the model for our IDI engines is $675 or $625, still kinda steep, but how steep is that mountain downgrade in front of you [img]/ubbthreads/images/graemlins/eek.gif[/img]? I'm trying to bamboozle 'management' into 'authorizing dispersment of funds' for one of these "De-cellerators". Ya just gotta use yer wits and clever cunning in this 'marriage game' [img]/ubbthreads/images/graemlins/biggrin.gif[/img]. [img]/ubbthreads/images/graemlins/crazy.gif[/img]Baja
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Old 05-27-2005, 02:28 PM   #14 (permalink)
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Re: Exhaust Break anyone? please advise

Listed on the DAS site under "Vaccum exhaust brake kits" they have a "6.9/7.3L idi Remote Brake Kit-3" Would that be an exhaust brake kit similar to the de celerator? ie. *** is the vaccum part?
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Eric -&gt; '92, F250, 7.3l IDI, extracab, longbox, one ton spring in the rear,Borg Warner 1356 transfer case, 12500lb winch. 280k km. Since purchased in June 2003 repairs include: ball joints, tie rod ends, all u joints, water pump, radiator, brake calipers, brake pads & shoes, rear drums, front wheel bearings & seals, rear axel seals, replaced transfer case, rebuilt rear differential, replaced bent drive shaft, replaced drive shaft support bearing, K&N air filter, dual 2.5" exhaust.
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Old 05-27-2005, 02:37 PM   #15 (permalink)
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Re: Exhaust Break anyone? please advise

Price code "B" (standard exhaust brake) is for power stokes and runs $675.

Price code "A" (Super duty wastegate regulated brakes) is for IDIs is $1195.
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Eric -&gt; '92, F250, 7.3l IDI, extracab, longbox, one ton spring in the rear,Borg Warner 1356 transfer case, 12500lb winch. 280k km. Since purchased in June 2003 repairs include: ball joints, tie rod ends, all u joints, water pump, radiator, brake calipers, brake pads & shoes, rear drums, front wheel bearings & seals, rear axel seals, replaced transfer case, rebuilt rear differential, replaced bent drive shaft, replaced drive shaft support bearing, K&N air filter, dual 2.5" exhaust.
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