STD Tuning Engine A discussion on EGT and Exhaust back pressure on an OM606

A discussion on EGT and Exhaust back pressure on an OM606

A discussion on EGT and Exhaust back pressure on an OM606

 
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50harleyrider
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09-09-2020, 07:26 PM #42
Just a quick update on my egt woes. My DSL1 tune had some flaky max duty cycle numbers. Thanks to Baldurs advice pinpointing it, I have found higher (80%) duty cycles in the 1000-2500 range for effective throttle ranges in the 30-80 % ranges have brought the max egt's way down to the mid 1100F range with nice boost up to 2500 mb where I capped it. The 648 turbo should easily produce 3000 mb but right now my emap is tracking about 1.5 x boost so until I decide to put a real tube exhaust header and bigger IP elements in it, i'm leaving well enough alone. Spoolup boost is improved tremendously resulting in some seriously sweet launches. How a 3 liter can launch a 5500 pound truck with oversize tires is nothing short of amazing. The V10 gasser torque converter I'm running now helps with the higher stall. As always, kudos to Baldur and I recommend a good vgt turbo for applications similar to mine. Finally I can get to fueling tweaks to maximize economy although I'm already getting 17 mpg in town.
This post was last modified: 09-09-2020, 07:43 PM by 50harleyrider.
50harleyrider
09-09-2020, 07:26 PM #42

Just a quick update on my egt woes. My DSL1 tune had some flaky max duty cycle numbers. Thanks to Baldurs advice pinpointing it, I have found higher (80%) duty cycles in the 1000-2500 range for effective throttle ranges in the 30-80 % ranges have brought the max egt's way down to the mid 1100F range with nice boost up to 2500 mb where I capped it. The 648 turbo should easily produce 3000 mb but right now my emap is tracking about 1.5 x boost so until I decide to put a real tube exhaust header and bigger IP elements in it, i'm leaving well enough alone. Spoolup boost is improved tremendously resulting in some seriously sweet launches. How a 3 liter can launch a 5500 pound truck with oversize tires is nothing short of amazing. The V10 gasser torque converter I'm running now helps with the higher stall. As always, kudos to Baldur and I recommend a good vgt turbo for applications similar to mine. Finally I can get to fueling tweaks to maximize economy although I'm already getting 17 mpg in town.

 
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Messages In This Thread
A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 01-27-2020, 06:56 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 01-28-2020, 10:49 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by jav1 - 01-28-2020, 02:58 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 01-28-2020, 07:37 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by zeeman - 01-30-2020, 03:05 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by Petar - 01-29-2020, 05:34 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by jav1 - 01-29-2020, 08:15 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 01-29-2020, 05:35 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 01-29-2020, 05:49 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by jav1 - 01-30-2020, 08:24 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 01-30-2020, 11:20 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by Petar - 01-30-2020, 11:21 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 01-30-2020, 11:22 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by jav1 - 01-30-2020, 11:43 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 01-30-2020, 08:17 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by jav1 - 01-30-2020, 10:24 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 01-31-2020, 10:37 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by zeeman - 01-31-2020, 11:19 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by jav1 - 01-31-2020, 01:06 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 02-05-2020, 03:56 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by jav1 - 02-06-2020, 10:29 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 02-06-2020, 11:38 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by Petar - 02-06-2020, 02:09 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by jav1 - 02-06-2020, 02:26 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 02-06-2020, 05:01 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by Petar - 02-07-2020, 09:34 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 02-07-2020, 11:34 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by jav1 - 02-07-2020, 02:54 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by TwoMuchBoost - 02-07-2020, 04:44 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 02-07-2020, 05:20 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 02-07-2020, 05:31 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 02-14-2020, 02:07 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by zeeman - 02-14-2020, 02:57 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by jav1 - 02-14-2020, 02:59 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 02-15-2020, 07:37 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by zeeman - 02-16-2020, 01:27 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by baldur - 02-15-2020, 12:02 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 02-19-2020, 05:39 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 07-18-2020, 07:03 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by jav1 - 07-20-2020, 10:42 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 07-25-2020, 03:51 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 09-09-2020, 07:26 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by jav1 - 09-16-2020, 08:05 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by 50harleyrider - 09-16-2020, 03:17 PM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by X Double Dot - 09-29-2020, 09:18 AM
RE: A discussion on EGT and Exhaust back pressure on an OM606 - by baldur - 09-29-2020, 11:31 AM
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