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-   -   lower egts (https://www.dieselbombers.com/12-valve-2nd-gen-dodge-cummins-94-98/57438-lower-egts.html)

94cummins12v 08-25-2010 09:11 PM

lower egts
 
ok im sick of high egts im not interested in the high hp any longer just want to tow and keep my egts managable. towed a 19' pontoon boat today and hit 1200 just getting up to 65mph. this winter will be hualing a sled deck with 2 sleds and a 4 place sled trailer total 6 sleds constanly dont want high egts everything in my sig is whats done just recently swaped my 191 dvs to 181 and not much difference in towing egts

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im assuming the f350 weighs more than the dodge 2500 did so im thinking that might be a contributing factor. wont go with water/meth had it and the entire system froze when were in canada last winter and some days get to -10 as a high in the winter so water/meth is out

iker42 08-25-2010 09:16 PM


Originally Posted by 94cummins12v (Post 611356)
ok im sick of high egts im not interested in the high hp any longer just want to tow and keep my egts managable. towed a 19' pontoon boat today and hit 1200 just getting up to 65mph. this winter will be hualing a sled deck with 2 sleds and a 4 place sled trailer total 6 sleds constanly dont want high egts everything in my sig is whats done just recently swaped my 191 dvs to 181 and not much difference in towing egts

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im assuming the f350 weighs more than the dodge 2500 did so im thinking that might be a contributing factor. wont go with water/meth had it and the entire system froze when were in canada last winter and some days get to -10 as a high in the winter so water/meth is out

No, my truck gets that hot too. It's the poor cooling design of these blocks..

Bigger turbo. Im going with the 6.7 turbo this winter.

94cummins12v 08-25-2010 09:24 PM

oh believe me i have a big enough turbo

wes-cummins 08-25-2010 09:34 PM

do you have aftermarket manifold they help out some, or even intake horn or intercooler

cummins95 08-25-2010 09:34 PM

have you had any head work done? might wanna consider it. i've heard the heads on these trucks are pretty restrictive. or maybe a milder fuel plate like an 8 or somethin. also your engine is studded so you could prolly bump the timing more. just some suggestions. nice truck tho

wes-cummins 08-25-2010 09:35 PM


Originally Posted by iker42 (Post 611362)
No, my truck gets that hot too. It's the poor cooling design of these blocks..

the cooling design wont affect exaust temps any

94 12valve 08-25-2010 09:40 PM

Get some better sticks than the II junk 370's


Originally Posted by iker42 (Post 611362)
No, my truck gets that hot too. It's the poor cooling design of these blocks..

Bigger turbo. Im going with the 6.7 turbo this winter.

Cool deal mike:tu:

wes-cummins 08-25-2010 09:42 PM


Originally Posted by cummins95 (Post 611376)
have you had any head work done? might wanna consider it. i've heard the heads on these trucks are pretty restrictive. or maybe a milder fuel plate like an 8 or somethin. also your engine is studded so you could prolly bump the timing more. just some suggestions. nice truck tho

i dont think the ports are that bad it just the intake manifold part of the head restricting air to the back cylinders, but p&p head would deff help

94 12valve 08-25-2010 09:50 PM

mike how do you plan on controlling the vgt? drive pressure?

iker42 08-25-2010 10:00 PM


Originally Posted by 94 12valve (Post 611395)
mike how do you plan on controlling the vgt? drive pressure?

Theres a whole write up on DTR and CompD

94 12valve 08-25-2010 10:00 PM

I'll have to look for it

iker42 08-25-2010 10:05 PM

HE351VE on a VP44 truck - Competition Diesel.Com - Bringing The BEST Together

94 12valve 08-25-2010 10:06 PM

sweet man sounds like fun :tu:

94cummins12v 08-25-2010 10:29 PM


Originally Posted by wes-cummins (Post 611374)
do you have aftermarket manifold they help out some, or even intake horn or intercooler

yes intercooler, cant run an afterfaket manifold in a ford has to be industrial for the downpipe. intake horns dont cool egts on 12vs just for looks

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Originally Posted by cummins95 (Post 611376)
have you had any head work done? might wanna consider it. i've heard the heads on these trucks are pretty restrictive. or maybe a milder fuel plate like an 8 or somethin. also your engine is studded so you could prolly bump the timing more. just some suggestions. nice truck tho

no head work just studs had a ported exhuust on my last head and noticed no difference

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my try the number 5 plate again to see if it helps

93_Fummins 08-26-2010 01:05 AM


Originally Posted by 94cummins12v (Post 611422)
yes intercooler, cant run an afterfaket manifold in a ford has to be industrial for the downpipe. intake horns dont cool egts on 12vs just for looks

What do you mean you can't run an aftermarket manifold in a Ford? I have an aftermarket 3 piece pulse exhaust manifold in mine and it fit just fine. I flipped the exhaust manifold upside down, an HX40 downpipe was a near perfect fit too, very little modding and it all fits great. I did have to use a spacer to fit the PhatShaft turbo clocked for a flipped manifold though...but it's the same spacer they use in the compound kits and they gave it to me for no charge when I ordered my turbo. :rocking:

dan33klein 08-26-2010 03:01 PM

brandon, if your looking for a towing set up, this is what i would do, whether your 370s have the correct spray pattern or not. i would ditch them and go with SDX. definetly 5x12s and 5x14s would be to hot for towing. next i would try to find a set of 4:10 ring and pinions for your front and rear. i take it you have 3:55s? there are few guys looking to get rid of there 4:10s for 3:55s. thats what i did. i just met ztk7220 in indiana to swap gears straight up. i wanted 4:10s he wanted 3:55s. worked out great for both of us. finally, i would call industrial injections and see if you can send it your turbo to have it upgraded to the 64mm wheel and housing. that will give you more air. i was also going to suggest twins but if i remember your not to fond of them. thats just my .02 cents on how to make it a better tower with lower egts

Drothgeb 08-26-2010 04:05 PM

The SDXs would probably help. But why don't you just change your plate, or do a custom grind and not let the heavy fueling really kick in until you're above your towing rpm? I'd still go with the SDXs anyway.

94cummins12v 08-27-2010 12:12 AM


Originally Posted by 93_Fummins (Post 611460)
What do you mean you can't run an aftermarket manifold in a Ford? I have an aftermarket 3 piece pulse exhaust manifold in mine and it fit just fine. I flipped the exhaust manifold upside down, an HX40 downpipe was a near perfect fit too, very little modding and it all fits great. I did have to use a spacer to fit the PhatShaft turbo clocked for a flipped manifold though...but it's the same spacer they use in the compound kits and they gave it to me for no charge when I ordered my turbo. :rocking:

i couldnt get it to fit period since your running a different tranny then me the nv4500 is wider and wont allow the hx40 down pipe to go between the frame and tranny so i had to get an industrial manifold similar to the 3rd gen to get it low enough to go next to the tranny

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i will try the other fuel plate. dan with building a house im not able to afford a set of sdx i would like to swap the nozzels from the 370 to something cooler i dont know wt\hat the issue is my boost aint the same either since the conversion for some reason i cant go over 20lbs in hard accel were in the dodge i could hit 40+ lbs

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dan im not up for the idea of swaping my gears out i like the milage with the 354 373 may help but like i stated above i had more control over my egts in the dodge

Drothgeb 08-27-2010 02:32 PM


i dont know wt\hat the issue is my boost aint the same either since the conversion for some reason i cant go over 20lbs in hard accel were in the dodge i could hit 40+ lbs
Sounds like the Cummins is having some kind of adverse reaction from being stuck in that Ford!:td:

dan33klein 08-27-2010 10:28 PM

i understand your situation brandon, what confuses me is about your boost tho, if your running that hott of egts, you have enough fuel, so why isnt your charger boosting like it should? boost leaks? wastegate?

biged681985 08-27-2010 11:44 PM

sounds like u may have a boost leak bud, have ya checked it yet?

wes-cummins 08-28-2010 12:06 AM


Originally Posted by 94cummins12v (Post 611997)
i couldnt get it to fit period since your running a different tranny then me the nv4500 is wider and wont allow the hx40 down pipe to go between the frame and tranny so i had to get an industrial manifold similar to the 3rd gen to get it low enough to go next to the tranny

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have you tried porting your manifold? i talked to a guy that said he put an aftermarket manifold and then took it off ported it and got a 100* drop after porting it.

dan33klein 08-28-2010 07:10 AM


Originally Posted by wes-cummins (Post 612421)
have you tried porting your manifold? i talked to a guy that said he put an aftermarket manifold and then took it off ported it and got a 100* drop after porting it.

wherean you port an and how can this be done?

94cummins12v 08-29-2010 11:12 PM

ok i did a leak test today and no leaks atall i have a slight leak threw the rings into the crank case but thats because the rings arent completely seated yet, im asumin it is the wastegate at this time becuse the simptons and doing everything else to check point to that im tinking it is either stuck open or the plate may be warped letting the boost threw

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Originally Posted by wes-cummins (Post 612421)
have you tried porting your manifold? i talked to a guy that said he put an aftermarket manifold and then took it off ported it and got a 100* drop after porting it.

porting the exhaust manifold does make a slight difference in EGTs but it wont make a differance in boost levels like we are talking about with this situation

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Originally Posted by dan33klein (Post 612481)
wherean you port an and how can this be done?

dan if you have a dremil tool get a grinding stone for it and you can port you own manifold in a night. get a case of beer crank the toons and have some fun thats how i did mine on my last manifold havent had time for this yet with building my new house

dan33klein 08-30-2010 07:07 AM

sounds like something i can do lol
im gunna go for it, ive heard of people doing the exhaust ports on the head to. but the shavings would fall on the valves:humm:

goalie990 08-30-2010 11:14 AM

Throw some water injection on it, also is the turbo laggy? Maybe get a small set of towing twins. Also the 370' dont help the situation.

12valvetater 08-30-2010 01:53 PM

Throw those industrial injectors in the trash and go with something better.

94cummins12v 08-30-2010 09:39 PM


Originally Posted by goalie990 (Post 613352)
Throw some water injection on it, also is the turbo laggy? Maybe get a small set of towing twins. Also the 370' dont help the situation.

as stated before i refuse to run water/meth already had it wasnt all that happy with it and cant run it in the winter here with the temps we get wont do twin had em like my sper 62 better, and unless someone throws me a super deal on injectors the ones i have are stayingbasicaly my setup isnt producing heat i know i ran it for 2 years in my dodge was completly happy with it were trying to diognos why im not buildiing boost which intern makes high egts

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Originally Posted by dan33klein (Post 613292)
sounds like something i can do lol
im gunna go for it, ive heard of people doing the exhaust ports on the head to. but the shavings would fall on the valves:humm:

dan you can do the manifold and turbo no issue when we did my last head it was off the truck no sure how you could do it withought removing the head i wouldnt be conserned about it because there not realy shavings if you use a grinding stone more like powder

oglejust 08-30-2010 10:34 PM

if u dont have a leak then u either have a wastegate problem or somethings wrong w the charger... im leaning towards the wastegate. did u get a good look at both sides of the intercooler?

Truckboy 08-31-2010 06:13 AM

what are the dangers? will it create high egts? or burn the pumps?:humm:

Drothgeb 08-31-2010 06:48 AM

Have you tried disconnecting the wastegate to see what happens. What kind of exhaust are you running, could there be a restriction in it that you didn't have in the Dodge? I once had a muffler that collapsed inside, created a number of issues and took me a while to figure it out.

94cummins12v 08-31-2010 07:27 PM

wastegate wasnt even hooked up with a hose to the compressor housing since i did the conversion, exhaust is a 4" downpipe to 5in epipe to stacks actually have 5in elbow to the stacks in the ford were i had 4in in the dodge. i noticed my motor torqued when i did the dyno and its not level noticed the wategate head is resting on the frame raill not sure if thats the culprit but will re align the motor this weekend

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Originally Posted by Truckboy (Post 613792)
what are the dangers? will it create high egts? or burn the pumps?:humm:

low boost with alot of fuel= heat aluminm melts around 1200* your pistons are aluminum when your towing temps excede 1200 when towing heavy up a grade if your not at full boost of what your turbo can produce

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as for the turbo being shot that is very unlikely because it ran great in the dodge i threw caps on the turbo while it sat in my shop and then threw it in the ford so my guess is wastegate

tiremann9669 09-02-2010 09:24 PM

If you wanted to go back to a Dodge I'd be willing to swap :w2:

wes-cummins 09-03-2010 10:29 PM


Originally Posted by dan33klein (Post 612481)
wherean you port an and how can this be done?

i put an aftermarket manifold on a truck for my brother and the machineing looked horrible so i took a carbide bur inside of the manifold and smoothed off all on the spots where it was machined and a couple other spots that were tight going out to the turbo then took cartrige rools where i cut with the bur to make it realy smooth,

with a stock manifold i would imagine you could hog it out a bunch and make it flow better

94cummins12v 09-04-2010 09:52 AM


Originally Posted by tiremann9669 (Post 615296)
If you wanted to go back to a Dodge I'd be willing to swap :w2:

i wouldnt every own a dodge again already proven that the dodge cant handle the cummins anyway thats why its in a ford now

tiremann9669 09-04-2010 12:40 PM


Originally Posted by 94cummins12v (Post 615949)
i wouldnt every own a dodge again already proven that the dodge cant handle the cummins anyway thats why its in a ford now

You can't blame me for tryin :c:

94cummins12v 09-06-2010 01:33 PM

ok guys i wired the wastegate closed and the max i can hit at full excell threw the gears is 20psi

94cummins12v 09-06-2010 01:40 PM

3 Attachment(s)
ok here is a picture of why the motor was unlevel and the wastegate head was smacshed against the frame but wired the wastegate closed and same problem here is the exhaust manifold i am running it is off my grader since the stock one would fit with the 4in down pipe

Heavy Smoker 09-08-2010 07:52 PM

Grab an hx40? Drop the injectors even more? Exhaust manifold? Down pipe?

94cummins12v 09-12-2010 10:24 PM

ok my egts really suck pulled the bobcat last night up a grade 4th gear 45mph and 1250* way to hot im gunna attemt to put the original exhaust manifold on but i need to find a 1st gen hx40 down pipe to make it fit


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