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-   -   Does advancing the timing help out a lot? (https://www.dieselbombers.com/5-9l-12v-performance/45243-does-advancing-timing-help-out-lot.html)

94cummins12v 03-04-2010 10:26 AM


Originally Posted by 85_305 (Post 507956)
thats not exactly somethign I was wanting to dive into myself, and upon calling the local diesel shops I've heard from 1k-1500-3000 for them to bump my timing 16* and do the KDP fix. Un-Real..

So what kind of gains and potential are released by bumping the timing 16* when you do basic mods on these cummins (gsk, fuel plate, intake, exhaust, etc..)

a grand thats nuts my locl diesel shop does mine for free everytime i need it

94 12valve 03-04-2010 01:14 PM


Originally Posted by Dr. Evil (Post 508998)
Mines set at 16.5 and I noticed very little performance change when mine was done.

There is a big seat o pants meter difference in timing, I have ran 15* to 22* and now 30* ... 22 was the funest to drive on the street and 30 just flat out pulls ( above 3k :tu:)

Dr. Evil 03-04-2010 01:36 PM


Originally Posted by 94 12valve (Post 509120)
There is a big seat o pants meter difference in timing, I have ran 15* to 22* and now 30* ... 22 was the funest to drive on the street and 30 just flat out pulls ( above 3k :tu:)

Well 30 degress is completely different than 16 degrees. I dont imagine there is many street trucks running that kind of timing.

94 12valve 03-04-2010 02:18 PM


Originally Posted by Dr. Evil (Post 509140)
Well 30 degress is completely different than 16 degrees. I dont imagine there is many street trucks running that kind of timing.

I agree, but I still felt a difference when I went from 15* to 20*

biged681985 03-04-2010 11:54 PM

goinf from 11-16, i didnt notice much performance, just better running. thinking bout bumping mine to 20-22

Dr. Evil 03-05-2010 12:08 AM


Originally Posted by biged681985 (Post 509608)
goinf from 11-16, i didnt notice much performance, just better running.

Hey, thats pretty much what I said... :tu:

85_305 03-05-2010 11:36 AM

Good input guys. That sucks they are tryign to charge so much and a lot of you guys get it done for free or 85$. Must be some bum diesels shops or something lol

But the person charging 3k for the job IS a cummins dealer

12valvetater 03-05-2010 04:32 PM

When mine was set at probably about 10-11 degrees exhaust temps were uncontrollable and my fuel mileage was around 13. I bumped it to 19 degrees and fuel mileage went to 19 and my exhaust temps still peg the gauge but come up way slower now.

85_305 03-06-2010 12:09 PM

I thought that bumping the timing kept egts LOWER ??


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