1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

GDS 60mm with Stage 3 DDP's?

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Old 01-25-2012, 12:40 AM
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Default GDS 60mm with Stage 3 DDP's?

Looking into the 60mm upgrade on my H1C and going to look into injectors soon after. Just wondering what you guys though about putting stage 3 DDP's with the 60mm upgrade. Already have a strong pump tune with the dennyt Stage 2. Also i have the 18cm exhaust housing so it lags a bit, will these upgrade make the lag worse? Let me know!
 
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Old 01-25-2012, 08:14 AM
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They will raise EGT to piston melting levels under load with that turbo. And make alot of black smoke.

The only thing a 60mm upgrade does for you is give a little headroom to play with the pump. That's it.
 
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Old 01-25-2012, 08:17 AM
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if you turn your star wheel all the way up so it has some boost when the pin drops you will be fine, if you have it all the way down and your smoke screw all the way in it will be worse, because it will flood the cylinder with fuel before it starts to light.

i have DDP 4's and a 60MM and i have a little lag because of the tune i have, but i can tune it compleatly out with the star wheel, i also have a 16cm exaust housing so that helps me out a bit.

Dar
 
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Old 01-25-2012, 05:01 PM
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Ok thanks for the input guys. I think i will be tuning the starwheel next and consider the 16cm exhaust housing. Maybe even a milder injector. Afterall it is my daily driver..... on 37's haha
 
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Old 01-27-2012, 09:52 PM
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I would not buy DDP nothing get a set of 5X0.12 or 5X0.14 SDX or LBD injectors thats 90HP or 140HP

and i sell the 60mm upgrade for $10 bucks less than GDS just saying
 
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Old 01-27-2012, 10:32 PM
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I have only heard of those companies a few times. Are they more efficient, and or run cooler(egts)? I just want a safe/reliable/powerful setup. Just like everyone else . I have an 18cm ex housing, 37's, and a 3.54 gears. oh and it's my daily driver.
 
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Old 01-27-2012, 11:29 PM
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some call me crazy and like to argue with me but i love to run an HX35 (found used for about 300) with a set of 5X0.12's and a good pump tune i have made more power on that setup than most guys have with all this fancy stuff if you want a great DD thats it listed above and i knocked down 24MPG

---AutoMerged DoublePost---

Originally Posted by 91cummins
I have only heard of those companies a few times. Are they more efficient, and or run cooler(egts)? I just want a safe/reliable/powerful setup. Just like everyone else . I have an 18cm ex housing, 37's, and a 3.54 gears. oh and it's my daily driver.
oh and yes an SDX or LBD injector will out perform any other 12V injector i have ever seen

and there 500 bucks vrs 800 bucks
 

Last edited by big bad diesel 416; 01-27-2012 at 11:29 PM. Reason: Automerged Doublepost
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Old 01-28-2012, 09:34 PM
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Do you know what the 5x.020 are like? jw.
 
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Old 01-28-2012, 09:36 PM
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huge way way way to big for the street
 




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