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  1. MarkBroviak

    1/8 mile discussion and time slips post here!

    Got a new one for the list! I had the privilege and honor of being asked to build Johnny Gilbert, Owner of Stainless Diesel a duramax powered railcar for his daughter to race in 5.90! We finally got this project wrapped up and got her feet wet this weekend and did her licensing passes while...
  2. MarkBroviak

    1/8 mile discussion and time slips post here!

    Got another new one for the list from this weekend! Another stock lb7 with stock turbo putting in work! Jaxon Ray Harrell has an LB7 RCLB 4x4 4L80 I tune that weighs 4180lbs and on 3/28/26 he ran a pb of [email protected]! Thanks!
  3. MarkBroviak

    1/8 mile discussion and time slips post here!

    Got a new one for the list! Kyle Tharrington has a new build that debuted at this race. It is a RCSB 4x4 LLy 4L80 truck that weighs 4500lbs and I tune it. Ran a pb of [email protected] on 3/28/26. Thanks!
  4. MarkBroviak

    1/8 mile discussion and time slips post here!

    #63 Afsheen Hashemy also ran a new pb at this race with a [email protected] and everything else is the same on his. Thanks!
  5. MarkBroviak

    1/8 mile discussion and time slips post here!

    Had a great weekend of racing down at Diesel Truck Wars and my customers ended up winning the top 3 classes of the event and a bunch of pb’s for people which is awesome! On 3/28/26 #28 Jesse Pittman was one of them that went [email protected] with everything else being the same. Thanks guy!
  6. MarkBroviak

    Duramax in an old 6x6 in Germany

    Correct, vans and Kodiaks were coded lly for several years after the fact. To answer the question, you need to just get yourself a regular pickup truck complete harness and cut it down to fit your needs.
  7. MarkBroviak

    Fuel rail pressure

    I will go a little farther in depth on the explanation of this sheet. So the readings on the sheet are a volume which can be directly translated to a hp number at the crank available if everything is good. On a boost only setup I will go 4xmm3=Hp at crank and a heavy nitrous with boost combo...
  8. MarkBroviak

    Aluminum Radiators?

    100% failure rate with them, I will only use the stock ones. I have never had to replace the factory radiator in any on my Dmax's but everyone that came through the shop with the aluminum ones would normally only last a year or so.
  9. MarkBroviak

    1/8 mile discussion and time slips post here!

    Ok, sorry if this is long winded but we finally did it! #11 Justin Goode got a new pb this weekend during the Lights Out17 radial race! We made three passes in a row in the 4.6xx’s with the quickest being on 2-19-2026 at [email protected] and then went a [email protected]! I am doing the tuning...
  10. MarkBroviak

    1/8 mile discussion and time slips post here!

    #8 Slowmax714 Dan Zelton has his ccsb 4x4 back out racing after a 3year absence. Well it went on a diet and got a new Wagler billet Dmax heart and came out swinging off the trailer first pass! We were all at Lights Out together racing and on 2-19-2026 he went a new pb of [email protected]! Truck...
  11. MarkBroviak

    1/8 mile discussion and time slips post here!

    That's a timing system error which is why the time can be correct but the mph is way off in left field. They use multi sensor setup to get speed and time and the speed part malfunctioned.
  12. MarkBroviak

    1/4 mile discussion and time slips post here!

    NHRA was the big "has to be backed up with in x-amount to count as a record" and a few of their sister organizations. Rest of the world doesn't care, if you do something that hasn't been done before it is a record plain and simple. We can all do the math and can call a bs number when we see it...
  13. MarkBroviak

    1/8 mile discussion and time slips post here!

    #12 Wyatt Stengel ran a new pb today during sick week! He ran a [email protected] and everything else is the same! Thanks guys!
  14. MarkBroviak

    1/4 mile discussion and time slips post here!

    Well, I posted too soon! My boy went big today and ran a [email protected] for a new pb and may also be the new 4x4 diesel 1/4mile record also! Congrats to Wyatt for never giving up on it even though he could have many times before!
  15. MarkBroviak

    1/4 mile discussion and time slips post here!

    Nope, same engine he has been fixing up the past few years! Did this on a single Exergy Alpha cp3 and an S485 turbo on a full liquid street motor that drives great is just plain nuts! I told him it would run a 7.99 so he had to prove me wrong lol!
  16. MarkBroviak

    1/4 mile discussion and time slips post here!

    Well, so far so good for (#12 on the list) Wyatt, first pass of Sickweek got him a new pb! He shook the tires hard and peddled it and still managed to run an [email protected] with it and load up and ride out to the next track! Everything else is still the same on it. If he can get it to leave...
  17. MarkBroviak

    Cleetus's Christmas Race

    Honestly, if you asked everyone a year ago if they would be run 3's on that tire we all would have been wrong! Beyond impressive to say the least!
  18. MarkBroviak

    January '26 Chat -- Happy New Year, and Welcome to DuramaxDiesels.com!!!!

    Unfortunately, not really familiar with that side of town but there are a bunch of killer restaurants downtown Indy!
  19. MarkBroviak

    Cleetus's Christmas Race

    All good! Your uncle had a hell of a save last week, gave us all a good jump scare! He has quite the hotrod!!!
  20. MarkBroviak

    Cleetus's Christmas Race

    Correct, Lights Out is the next radial race for us at South Georgia Motorsports park the week of February 16-19th and we should have a hotrod now!
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