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  #151  
Old 07-10-2019, 12:59 PM
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Default Prowl 4 Power 2019

Welp took her on a first big roadtrip down to the dynos the other weekend. Strapped down the truck bed camper and headed south, around 300 miles.



Made it about halfway and a rock pierced my tire. Used the on board air compressor to limp it to service and a gas station to replace the tire.

Besides that the truck ran like a champ! Pulled hills like nothing was there, making great boost around 30-41 PSI, EGTS never got above 1100, and I was getting mileage around 18. I did multiple WOT passes up the hills for fun and always eased into them slowly.

Made it down to the event pretty late the next day, missed out on a early dyno run and the show n shine.

Next day I got in line for the dyno, we got it all strapped down and they went to make a pass. Got into torque converter lock and laid into it. Truck blew a cloud of white smoke out the tailpipe and the motor ran rough for a few seconds until he let off of it. The truck had a injector misfire at WOT and sent a overload of unburnt fuel through the motor.



Truck did like 488 HP and 895 Ft Lbs. It had a lot more to go.

So we pulled the truck off plugged it in and ran a injector contribution test both at idle and under revs. Everything was right in spec + or - 1

We ran a BG Diesel Injector Cleaner Service right to the High Pressure Fuel System, unhooked the truck and ran it down the drag strip.





Same issue, on the first pass under aggressive WOT I get a misfire.

Two passes after that, with a gradual WOT I get nothing.

Fastest run was a 14.21

Has anyone had this WOT misfire issue occur?

I am going to switch from Sp@rtin to EZ Lynk and try again to see if it may be a tuning issue.

But after that, how do I track down which injector may be causing the issue?

Injectors have 104,000 miles on it and I sent the injectors to Oregon Injection to get bench tested before rebuild. One failed and was replaced and the rest were fine. Don't just want to throw new injectors at it to do it.

Looking for advice, thanks

We also ran one of our semis down the track which was a crowd favorite, fun stuff!

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  #152  
Old 07-10-2019, 08:16 PM
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I would get good tuning in it asap. Curious what rail pressure is doing when this occurs?
  #153  
Old 09-13-2019, 03:45 PM
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Hey Guys,

So I got my EZLYNK tuning in and I love it! So easy to load tunes and work with PPEI. I actually have a bad Glow Plug and got tired of clearing the code non-stop. PPEI actually made me a series of tunes to shut it off until I can get it replaced which was nice of them. But ya truck is running like a champ on a 250 HP tune and I am enjoying the build. Especially hauling the camper with the helper bags front and rear and FOX shocks.



I have been running my truck with the truck bed camper on for quite sometime and have not been able to push a bunch of WOT passes to see if I still get the injector misfire issues I got at the dyno day. One day I would like to get a number.

Had a major oil leak due to the overtightening of a IPR external oil cooler kit that screws onto the top of the oil filter housing. I way over tightened it and cracked the oil filter housing. I was so excited to learn it was that and not a Turbo Drain Leak!

I did not put the turbo heat shield back on the truck when I did the build because I knew I wanted to do blankets. Just ordered some turbo blankets from Turbo Performance Products which should be here anyday. They were the only ones I could find for a 6.4L

https://turbo-performance-products.m...troke-products

The highest EGTs I have seen with around 2100 lbs in the bed climbing hills at 65 has been short bursts of 1200 degrees.

My intercooler is stock and has seen some damage to the fins due to pressure washers, I am hoping a new one would bring the EGRTA to below 1100 on these climbs.

Do any manufacturers make one where they don't spray their logo on the front or that could be requested? Id like to do my own
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  #154  
Old 09-13-2019, 04:16 PM
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Quote:
Originally Posted by akf250 View Post
Hey Guys,

So I got my EZLYNK tuning in and I love it! So easy to load tunes and work with PPEI. I actually have a bad Glow Plug and got tired of clearing the code non-stop. PPEI actually made me a series of tunes to shut it off until I can get it replaced which was nice of them. But ya truck is running like a champ on a 250 HP tune and I am enjoying the build. Especially hauling the camper with the helper bags front and rear and FOX shocks.



I have been running my truck with the truck bed camper on for quite sometime and have not been able to push a bunch of WOT passes to see if I still get the injector misfire issues I got at the dyno day. One day I would like to get a number.

Had a major oil leak due to the overtightening of a IPR external oil cooler kit that screws onto the top of the oil filter housing. I way over tightened it and cracked the oil filter housing. I was so excited to learn it was that and not a Turbo Drain Leak!

I did not put the turbo heat shield back on the truck when I did the build because I knew I wanted to do blankets. Just ordered some turbo blankets from Turbo Performance Products which should be here anyday. They were the only ones I could find for a 6.4L

https://turbo-performance-products.m...troke-products

The highest EGTs I have seen with around 2100 lbs in the bed climbing hills at 65 has been short bursts of 1200 degrees.

My intercooler is stock and has seen some damage to the fins due to pressure washers, I am hoping a new one would bring the EGRTA to below 1100 on these climbs.

Do any manufacturers make one where they don't spray their logo on the front or that could be requested? Id like to do my own
Levi at Turbo Performance Products is good people. I really like his turbo blankets, and have used quite a few of them.

For an intercooler I would look at CSF. I have used quite a few of them, like them, and they donít have a logo on the front. Rock Auto is where I get them.
  #155  
Old 09-13-2019, 04:54 PM
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Get a spearco and have the logo removed. 1200 is not high for temps though and I wouldn't expect to lose much temp with a new intercooler, I know I didn't lose anythj g worth mentioning with mine.
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  #156  
Old 09-13-2019, 06:31 PM
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You should get some good tuning instead of that PPEI chit
  #157  
Old 09-14-2019, 07:12 PM
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Run the SOTF tune itís awesome man
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2008 CCSB 6.4 Harley Davidson- PPEI Tuned, EZ Lynk, 4" Jamo Stainless Exhaust, Diet Coke, 35x12.5 Cooper Discoverer STT Pros
2008 CCLB 6.4 Lariat Land Yacht- H&S tuned, S&B intake, Diet Coke
2003 RCLB 6.0 XLT- 260,000 miles, no name tunes, stock as can be
6.0 Dump Trucks- 350 and 450
VT365 Rollback
  #158  
Old 09-15-2019, 10:15 AM
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Quote:
Originally Posted by Connor M View Post
Run the SOTF tune itís awesome man
The tuning you use is very very different from the tuning the OP needs. Not even the same level at all.
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  #159  
Old 09-15-2019, 10:21 AM
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Quote:
Originally Posted by White_monster View Post
The tuning you use is very very different from the tuning the OP needs. Not even the same level at all.


Yeah I forgot what this truck was when I wrote that.
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2008 CCSB 6.4 Harley Davidson- PPEI Tuned, EZ Lynk, 4" Jamo Stainless Exhaust, Diet Coke, 35x12.5 Cooper Discoverer STT Pros
2008 CCLB 6.4 Lariat Land Yacht- H&S tuned, S&B intake, Diet Coke
2003 RCLB 6.0 XLT- 260,000 miles, no name tunes, stock as can be
6.0 Dump Trucks- 350 and 450
VT365 Rollback
  #160  
Old 09-15-2019, 10:52 AM
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Quote:
Originally Posted by Connor M View Post
Yeah I forgot what this truck was when I wrote that.
I figured. I wouldn't use ppei tuning for anything. Custom tunes for the build is the only way to go. Also sotf is such a waste of time. Set tune and leave it. There's zero need to go to a lower tune since the lower tune isn't going to save the engine if a person still runs the big tunes. It's an illusion.
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