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  1. M

    Towing rpm range

    I have a 475 sitting on the shelf waiting to do something..... Sent from my SAMSUNG-SM-G891A using Tapatalk
  2. M

    Towing rpm range

    I could tell when I left it in drive and was starting to pull a hill. It would lug pretty quick but a simple tap on the shifter and 5th would do the trick. Now some needed another tap to 4th. But that was as low as I had to go. I'm pleased with the way it tows up on the top end. Would like for...
  3. M

    Air flow upgrade

    Not your usual turbo questions. But instead what air flow upgrades would you guys recommend and in what order. Truck is a 06 GMC 3500 dually. Will get new stock injectors soon. Has new cp3 (less than 15k miles) head studs, egr deleted with pro fan inlet and down pipe. Built trans. Danville 2.5...
  4. M

    Towing rpm range

    My egt stays about 800 under throttle. Until I start climbing hard then it will almost hit 1000. If we ran under 70 she stayed cooled down for the most part. But the majority of the trip I ran 70-75 on cruise. I figure this trailer weighs around 8 or 9k. Going up I had a 2018 4 door duramax 1...
  5. M

    Towing rpm range

    Just got home from a trip to west Virginia from Arkansas. About 1600 miles. Pulling 30 foot gooseneck with 1 ton truck on it. Ran mostly in 5th as 6th just wouldn't cut it. I planned on 10 mpg but I'm thinking it was closer to 9 maybe even a little less. Did find out that I need a new family...
  6. M

    Towing rpm range

    Sounds like 5th it is. I just drove it and in 6th I'm just above 1500 then bumped it down to 5th and it's about 1900. So I'll give that a try. Sent from my SAMSUNG-SM-G891A using Tapatalk
  7. M

    Towing rpm range

    Truck is mainly stock. Danville 2.5 drop in turbo. Built trans. Lift pump. Will more than likely soon habe 30-45% injectors. I'll give the dropping to 5th a try and see how it goes. Thanks for the quick reply! Sent from my SAMSUNG-SM-G891A using Tapatalk
  8. M

    Towing rpm range

    I have a 06 3500 6 speed Allison. It's got 3.73 gears and 305 tires. I feel like the rpm is a little too low for that setup to tow very much or very far. The majority of my towing will be farm related here around home so I won't hardly ever get in 6th gear. But this winter I hauled some cattle a...
  9. M

    LLY: LLY Cab+Chassis fuel tank issues

    I did the same thing with my dad's 02. Pulled the back tank. Went in and changed the fuel capacity to just the front tank and killed the codes for the 2nd sender. His gauge works fine. You may have a sender problem. I've replaced a bunch of them acting like yours. Hopefully not tho. Sent from...
  10. M

    lmm fuel knock misfire

    Checked reluctor ring on crank. No play. Checked cam ref missed with efi and doesn't count up once running or missing. I can do a return rate test. I'll just have to get them set up. A injection shop checked them and said 3 failed so we put 3 new ones in it but the others was "good" I'm not sure...
  11. M

    lmm fuel knock misfire

    I've changed ecm and it stays. I load tested all wires and checked resistance. Made sure they weren't rubbed together and jumping fire. I'll check them again to make sure. Sent from my SAMSUNG-SM-G891A using Tapatalk
  12. M

    Cp3 differences

    Ok. That's what i was thinking. Just didn't want to have to pull the whole pump back out if it's not necessary. Guess I'll start checking injectors. Sent from my SAMSUNG-SM-G891A using Tapatalk
  13. M

    Cp3 differences

    Anyone? Reason I'm asking is I put a cp3 on my 06 lly that had the wrong regulator on it. So I put the rite regulator on it instead of changing the pump.......now that ive got it together it builds about 360 psi of fuel. Just wondering if there is a difference in the pumps or if it's just the...
  14. M

    Cp3 differences

    Can anyone tell me if there are any differences in lb7 vs lly vs lly/lbz/lmm cp3 pumps other than the regulators? Sent from my SAMSUNG-SM-G891A using Tapatalk
  15. M

    lml with cp3 or lmm conversion

    What's a 100k mile lml/lgh long block worth? Then injectors either as cores or send them to make sure they are clean and work? I will also be getting 3 6l90 2wd trans in the deal. I believe all 3 have been replaced with genuine gm units so they are less than 100k Sent from my SAMSUNG-SM-G891A...
  16. M

    99-02 vs 03-07 interior

    Just wondering if anyone else has put 03 up seats and center console in a 99-02 truck. I have a 02 regular cab that I want the center console put in but I like the 03 up more than the 99-02 console. Just wondered if anyone else had tried and succeeded or not. Thanks! Sent from my...
  17. M

    02 head gaskets and injectors low power

    So I've been scanning the truck with a snap on solos and only checking engine codes. Hooked up efi tonight since I was pulling the race car to the track. Logged some data and checked codes. Found p0100 mass air flow sensor circuit and p0400 EGR system performance both being thrown by the...
  18. M

    02 head gaskets and injectors low power

    What should the return fuel flow rate from each head be? Sent from my iPad using Tapatalk
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