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Thread: Amg P400

  1. #101
    Join Date
    Feb 2008
    Location
    N.Delta, BC, Canada
    Posts
    182

    Default

    Hmm.. posted a reply a couple of days ago. Not sure why it didn't go through.

    I rotated the existing P400 tube down to the bottom of the pan sump and only used the end of the Moroso pickup. I would use the existing oil pickup and cut/weld the tube to fit/place it appropriately in your pan.

    Be sure to secure the tube once you have it positioned where you want it. I bent/used the existing bracket to hold tube in position.

    My P400 has been my recreational powerplant since 2008 and hasn't let me down yet! It has lots of power for my needs and the truck has been running at it's GVW limit since the motor was installed. You will be happy with it, without a doubt.

    Wishing you success! Mike

  2. #102
    Join Date
    Sep 2012
    Location
    Fairbanks, Alaska
    Posts
    7

    Default Oil pickup

    Thanks Mike.

    I'm still waiting to get the pan rail sorted with Jeff at Industrial Laser Cutting. He quoted me $150 for the rail, but I've been having trouble getting in touch with him to finalize the order.

    My long block should be in Tacoma this week, then on the truck to Alaska... so hope to have it by the beginning of next week.

    I may be crazy, but the first thing I'm going to do when it arrives is pull the heads off, and take them into the machine shop for some valve work. I'm also going to talk to them about the price to port match the intake and exhaust. Don't know if I'll have that done or not... it depends on the quote they give me.

    I've got a Fluidampr, Phazer timing gears, S&B cold air intake, and new battery & glow plug wiring from PT wiring solutions sitting on the shelf waiting.

    Also going on the new motor will be Bill Heath's Super Duty cooling upgrade, and his brand new P400 camshaft, a heavy duty lift pump, and the SS feed the beast mod.

    The truck already has a 4" exhaust system, bigger mandrel bent crossover, a turbomaster, and Heath's Max E Tork tow program... which I have sent back for reprogramming for the new P400 cam.

    The radiator is already at the rad shop getting checked out and cleaned up. Other than that, I'm putting in an hour or two every evening pulling the old motor apart.

  3. #103
    Join Date
    Feb 2008
    Location
    N.Delta, BC, Canada
    Posts
    182

    Default

    I wasn't as 'hardcore' as you!

    The $150 for cutting the flange seems a bit pricey, as you know it cost $100 in 2008 and inflation didn't go up 50%.

    Wishing you success!

  4. #104
    Join Date
    Sep 2012
    Location
    Fairbanks, Alaska
    Posts
    7

    Default

    I don't suppose you have a part number for the oil pan gasket? I haven't been able to find that anywhere yet.
    1995 Chevy 3500 Dually 4x4 6.5 Turbo Diesel 4.10 rear end
    P400 Long Block, Heath P400 camshaft, Super Duty cooling upgrade, HD lift pump, Max E Tork tow program, 4" exhaust with 2.5" crossover, Tubro-Master set at 13 lbs boost, Lubrication Specialists oil cooler & SS lines, remote mounted PMD & cooler, SS feed the beast, S&B cold air intake, DIY CAC, Fluidampr, OPS relay, remote dual oil filters, Pyro/Boost/Tranny gauges, Firestone airbags.

  5. #105
    Join Date
    Sep 2012
    Location
    Fairbanks, Alaska
    Posts
    7

    Default Oil pan gasket

    I have not been successful in finding a part number for an oil pan gasket for the P400. Were you able to find one, or did you just silicon it on?
    1995 Chevy 3500 Dually 4x4 6.5 Turbo Diesel 4.10 rear end
    P400 Long Block, Heath P400 camshaft, Super Duty cooling upgrade, HD lift pump, Max E Tork tow program, 4" exhaust with 2.5" crossover, Tubro-Master set at 13 lbs boost, Lubrication Specialists oil cooler & SS lines, remote mounted PMD & cooler, SS feed the beast, S&B cold air intake, DIY CAC, Fluidampr, OPS relay, remote dual oil filters, Pyro/Boost/Tranny gauges, Firestone airbags.

  6. #106
    Join Date
    Feb 2008
    Location
    N.Delta, BC, Canada
    Posts
    182

    Default

    Hi Mike,
    The original pan was found sealed with black silicone, so hate to say it, but I used Ford TA-31 sealant to do the job. It is a viscous grey paste and is holding up well.

    I sprung a very small leak approximately 6 months after motor was put into service, but believe it is coming from a pan bolt..... it doesn't drip.

    Extra attention to this unless you want a mess sometime after the job is done.

    You could make your own gasket, using the pan or motor as a template... kinda finicky, but may be worth it. Both surfaces are flat and I had a couple of narrow spots to deal with.

    Cheers,

  7. #107
    Join Date
    Mar 2012
    Location
    The Catskills, NY
    Posts
    9

    Default

    I just got done reading this entire thread, very awesome build and great job you did.

    This long block came with no manifolds or fuel system right?

    One thing I have to know is, why in hell would you bother or waste your time using a gm turbo? Especially after you put all the high dollar in the rest of the motor.

    I mean the stock turbo is a big choke point and most likely the reason 6.5s blow out. The drive pressure to boost ratio is way off.

    Just think how much you could benefit from a larger freer flowing turbo, Lower temps, less back pressure on the motor, better economy, more power and performance and most likely more longevity.

    I don't mean to tell you what to do, just sharing some insight so you can better improve what you have.

    Again great build and thanks for sharing.

  8. #108
    Join Date
    Feb 2008
    Location
    N.Delta, BC, Canada
    Posts
    182

    Default

    The GM turbo was used mostly due to the fact that I did not have the time to fab up a transition plate for an alternate turbo at the time. My concern was getting my truck in service.

    The old turbo has been working just fine, and spools up quickly. A larger breathing turbo would definitely run a cooler engine, but I only climb a few humps on my annual camping/boating trips... so it's not a big deal.

    I appreciate the comments.

  9. #109
    Join Date
    Sep 2012
    Location
    Fairbanks, Alaska
    Posts
    7

    Default Finally on the road again!

    I guess it's a good thing I've got a day job!

    It took me 5 1/2 months, but the truck is back on the road with the P400 in it. Took it out of the shop under its own power for the first time yesterday. In my own defense, it did take 3 months to get the new long block to Alaska!

    Thanks again JetBoater for going there first, and giving me the information for getting the oil pan rail. The oil pan turned out great, and holds 12 qts.

    I did not end up installing the phazer gear drive at Bill Heath's recommendation. I'm running his new P400 cam, and he felt strongly that I should stick with the chain since that's what the cam was designed for. (anybody interested in a "new, never used" phazer gear drive)

    I went ahead and did the DIY CAC too. On my test drive yesterday ambient temp was about +10F, and my IAT was +22F.

    Only 50 miles on the new motor at this point... but it seems very smooth, and has tons of power right from the start. Haven't put my foot in it yet, or done any pulling. But am looking forward to camping season this summer.
    1995 Chevy 3500 Dually 4x4 6.5 Turbo Diesel 4.10 rear end
    P400 Long Block, Heath P400 camshaft, Super Duty cooling upgrade, HD lift pump, Max E Tork tow program, 4" exhaust with 2.5" crossover, Tubro-Master set at 13 lbs boost, Lubrication Specialists oil cooler & SS lines, remote mounted PMD & cooler, SS feed the beast, S&B cold air intake, DIY CAC, Fluidampr, OPS relay, remote dual oil filters, Pyro/Boost/Tranny gauges, Firestone airbags.

  10. #110
    Join Date
    Feb 2008
    Location
    N.Delta, BC, Canada
    Posts
    182

    Default

    Congratulations on re-powering your truck with the P400 Mike!

    It has proven extremely reliable for me and I'm sure you'll find the same thing. Enjoy and keep us all posted.


  11. #111
    Join Date
    Mar 2012
    Location
    The Catskills, NY
    Posts
    9

    Default

    What turbo are you using?

    Quote Originally Posted by mikefairbanks View Post
    I guess it's a good thing I've got a day job!

    It took me 5 1/2 months, but the truck is back on the road with the P400 in it. Took it out of the shop under its own power for the first time yesterday. In my own defense, it did take 3 months to get the new long block to Alaska!

    Thanks again JetBoater for going there first, and giving me the information for getting the oil pan rail. The oil pan turned out great, and holds 12 qts.

    I did not end up installing the phazer gear drive at Bill Heath's recommendation. I'm running his new P400 cam, and he felt strongly that I should stick with the chain since that's what the cam was designed for. (anybody interested in a "new, never used" phazer gear drive)

    I went ahead and did the DIY CAC too. On my test drive yesterday ambient temp was about +10F, and my IAT was +22F.

    Only 50 miles on the new motor at this point... but it seems very smooth, and has tons of power right from the start. Haven't put my foot in it yet, or done any pulling. But am looking forward to camping season this summer.

  12. #112
    Join Date
    Sep 2012
    Location
    Fairbanks, Alaska
    Posts
    7

    Default

    Quote Originally Posted by JorgeNY6.5 View Post
    What turbo are you using?
    It has the stock GM-4 turbo in it still with a turbo-master set at 15 psi max. I've looked at a lot of information on other turbos, but since this is my daily driver, as well as my camper hauler I'm hesitant to put a big turbo in it that would be great when towing, but not so great on a daily basis.

    I've heard rumors on a new turbo being designed specifically for this motor that I am really looking forward to coming available.

    I haven't towed anything with it yet, but I've got 1400+ miles on it already, and it pulls hard... much stronger than the old motor.
    1995 Chevy 3500 Dually 4x4 6.5 Turbo Diesel 4.10 rear end
    P400 Long Block, Heath P400 camshaft, Super Duty cooling upgrade, HD lift pump, Max E Tork tow program, 4" exhaust with 2.5" crossover, Tubro-Master set at 13 lbs boost, Lubrication Specialists oil cooler & SS lines, remote mounted PMD & cooler, SS feed the beast, S&B cold air intake, DIY CAC, Fluidampr, OPS relay, remote dual oil filters, Pyro/Boost/Tranny gauges, Firestone airbags.

  13. #113
    Join Date
    Apr 2010
    Posts
    359

    Default

    The GM8 turbocharger isn't as bad as everyone "thinks" it is. The numbers I pulled in my signature line were with a GM8.

    Now, are there better units out there?

    Heck yeah, the GM8 has design roots as far back as the early 90's. There's been lots of advancements since then.

    Would I be using a Chinese knock off turbo or a Holset take off unit to replace it?

    Nope....I'd buy a new one after some serious consultation with a manufacturer. Big bucks though, better get ready to pony up new unit prices plus a premium for going where no one has gone before.

    I really like the BW EFR series. Not cheap by a good margin though....
    1998 k2500

  14. #114
    Join Date
    May 2005
    Location
    SE Wisconsin
    Posts
    488

    Default

    GM8 does what it needs to on my 1993 K3500.
    1993 K3500 - Peninsular 18:1 engine, marine injectors, high capacity cooling, AL Core Radiator, 3" DP and 4" exhaust, ISSPRO Gauges, Girdle, AMSOIL Dual Oil Filter System, 1997 Air Filter(trashed the K&N), 395K on Body, 165k on engine.
    1997 GMC Savana - 6.5 TD
    1966 CJ5 - V6 Gas - highly modified
    1967 Jeepster - Stock
    1986 Jeep CJ7 - Stock
    1993 Grand Cherokee - 6.2 diesel
    2007 Grand Cherokee - 3.0 diesel

  15. #115
    Join Date
    Feb 2008
    Location
    N.Delta, BC, Canada
    Posts
    182

    Default

    The 1993 K3500 Silverado P400 Dually is up for sale.



    The P400 has 22,500 kms on it and the truck has 198,500 kms.
    PM me if interested. The truck is located in Delta BC.



    I am selling it for best offer. Pics/requests provided by request.

    Thanks,


    Mike

  16. #116
    Join Date
    Feb 2008
    Location
    N.Delta, BC, Canada
    Posts
    182

    Default

    Truck has sold...

    My new ride is a 2012 Duramax Denali 2500HD 4X4 Crew Cab



    I did a Cognito leveling kit to get the nose up... mud flaps, air bags, and camper tie-downs are next.

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