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-   -   How fast should it go (https://www.dieselbombers.com/12-valve-2nd-gen-dodge-cummins-94-98/24424-how-fast-should-go.html)

392hemix 03-27-2009 06:45 PM

How fast should it go
 
I was woundering if anyone can tell me how fast there truck goes with the similar upgrades to mine. I can only get 95 out og mine? i i think i should be able to go faster than that. my friends stock truck goes 90 with 4:10 gears I got aeverything in my sig done to it! what can i do to get it to go faster, i would be happy with 110 for now, but i dont want to sacrifice low end speed either.:humm:

Red_Rattler 03-27-2009 06:55 PM

Did you take into account for the dream-o-meter being off from the larger tires? Just throwing it out.... I got my ol 2000 up to 105 with 410s and 33's and dads 99 dually 355s with stock size got up to 115ish. Thats a whole lotta truck at that speed :D

HAYMAFIA 03-27-2009 07:46 PM

yeah my 96 with stock springs with linkage took up a bit will hit 112

392hemix 03-27-2009 10:24 PM

Hmm, well i havent tested it with the 35'' tires but i do know it was right on with 33'' tires i used my gps to test it! i'll try it tomorrow with the 35's see how fast im really going:U: BTW, is it easy to change the speedo gear in the 47re if it wer to be off?

---AutoMerged DoublePost---

Well, i just took it for a boot, used my gps in my phone to check how fast i was going and it was within 1.6 mph, so i would say its just about dead nuts. Im guessing i have other issues. Once i get the 100plate i will see if that helps me out on the top end. if not see if i can trust myself to bump up the timming. its @ the 14 degree stock setting as far as i know. I guess the gsk kit is just not as good of an upgrade as i thought...

Red_Rattler 03-27-2009 10:52 PM

Yea with the extra rpm and 3:55 gears u should be easily in the 100's

Jazz 03-28-2009 07:08 AM

I can reach 100 in my dually with 4:10's pretty easy. So I don't see any problem in you getting there. Maybe your under valved:w2::tttt:

ajoebob 03-28-2009 08:03 AM

with the probloms your having i would think your running out of fuelyou can buy a cheap psi guage and hook it up to your fuel filter and check it.

BAD ASS RAM 03-30-2009 07:36 AM

I CAN ONLY GE TABOUT 90 WITH MINE,BUT THATS IN THE RED.

collinscummins 03-30-2009 07:33 PM

I have hit 110 in mine but thats in the red thats with the calculation for my speedo being off by 15% due to tire size, I have 4.10 gears with the 35's. I was running pretty hot egts though so i wouldnt suggest doing it for a long time.

392hemix 03-30-2009 08:29 PM

I can't get my truck to hit over 1000* unloaded, loaded it will go higher thoe but she goes 95


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