Markie Man Posted March 24, 2022 Share Posted March 24, 2022 So my 4v e6 350 needs a turbo, and I figure that turbocharger technology has come a good ways since '85, so a newer model charger the same size aught to preform better, not? So I have access to a remack s400s069 supposably for a etech EM7. Am I way off my rocker and overthinking this or will this be an improvement for the old girl? If not, any suggestions? was also looking at a s300s106. Thanks in advance for your input. Glendon Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/ Share on other sites More sharing options...
Fastduramax Posted March 24, 2022 Share Posted March 24, 2022 Good luck pal, upgrading the turbo on the E6 350 is a question I've seen asked many times on this site, it is highly classified information but if you do get a manufacturer and part# please share and protect your wife and children 🙄 Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493204 Share on other sites More sharing options...
Joey Mack Posted March 24, 2022 Share Posted March 24, 2022 can he use a Schwitzer S400 SO41? just curious... I see them on E-7's... I am not a guy that knows turbo specs.. so if you need to get technical, I will just watch and maybe learn something... jojo 1 1 Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493205 Share on other sites More sharing options...
mowerman Posted March 24, 2022 Share Posted March 24, 2022 I am thinking a turbo shop could probably help you that’s all I got good luck…. Bob Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493210 Share on other sites More sharing options...
Popular Post mowerman Posted March 24, 2022 Popular Post Share Posted March 24, 2022 I would just walk in there with a fresh box of donuts … and start asking questions ha ha… Bob 1 2 1 Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493211 Share on other sites More sharing options...
Joey Mack Posted March 24, 2022 Share Posted March 24, 2022 you nailed it Bob.... jojo Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493215 Share on other sites More sharing options...
Mark T Posted March 24, 2022 Share Posted March 24, 2022 I don't know about now, but D & W in Auburn NY used to be a good place to look into what you're try'n to do. At this point though ? Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493217 Share on other sites More sharing options...
Hans Remmers Posted March 25, 2022 Share Posted March 25, 2022 I'd say you need to measure your intake inducer size and compressor and turbine sizes and reference them to the numbers you're looking it. I dealt with D&W buying our one 82mm and when I said I needed to order a smaller wastegate-less turbine housing they were not very enthused. I'm no expert by any means, I get my numbers from our guy doing ecm tuning. I wouldn't change much if you're not running any extra fuel over stock. Keep in mind if you go much bigger on the turbine side it will give it lag and make it long winded. I've had quite a few newer Borg Warner 78mm 410sx's blow the guts out from overspeeding on 3406e and C15's. There's always a degree of risk changing turbos and adding power. Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493271 Share on other sites More sharing options...
mowerman Posted March 25, 2022 Share Posted March 25, 2022 Ya that’s my exact opinion… knowing nothing about matching them these big engine repairs are a furtune and no I would not take a chance unless absolutely sure … Oooooooooooo by the way very good advice and response Bob 1 Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493299 Share on other sites More sharing options...
John3406 Posted March 28, 2022 Share Posted March 28, 2022 Holset hx50. 3580251. You have to weld a flange on it to match the elbow going to the charge air cooler. Runs great. Had one on mine at least 150 thousand miles 1 1 Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493505 Share on other sites More sharing options...
Fastduramax Posted March 28, 2022 Share Posted March 28, 2022 FINALLY!!! Hey John where did you purchase yours, I searched that part # on ebay tons of HX50's but no 3580251 ? Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493569 Share on other sites More sharing options...
67RModel Posted March 29, 2022 Share Posted March 29, 2022 https://www.mddistributorsstore.com/holset/3580251h/new-turbocharger#!product_info Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493592 Share on other sites More sharing options...
67RModel Posted March 29, 2022 Share Posted March 29, 2022 13 hours ago, Fastduramax said: FINALLY!!! Hey John where did you purchase yours, I searched that part # on ebay tons of HX50's but no 3580251 ? Here is another one: https://www.turbochargerpros.com/buynow/40-30842_HO Says out of stock (go figure) but there seems to be a lot of variation in price on these things. It also says that they are actual part numbers for Mack E6 engines so it may or may not be an upgrade. I have no clue but I found them pretty easily via the Google machine..... Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493593 Share on other sites More sharing options...
John3406 Posted March 30, 2022 Share Posted March 30, 2022 On Mon Mar 28 2022 at 5:08 PM, Fastduramax said: FINALLY!!! Hey John where did you purchase yours, I searched that part # on ebay tons of HX50's but no 3580251 ? I think antrim diesel. Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493774 Share on other sites More sharing options...
John3406 Posted March 30, 2022 Share Posted March 30, 2022 15 hours ago, 67RModel said: Here is another one: https://www.turbochargerpros.com/buynow/40-30842_HO Says out of stock (go figure) but there seems to be a lot of variation in price on these things. It also says that they are actual part numbers for Mack E6 engines so it may or may not be an upgrade. I have no clue but I found them pretty easily via the Google machine..... It was definitely an upgrade compared to the factory turbo. With fuel plate ground and slid all the way forward it runs strong. Spools fast and as long as you keep the manifold pressure up the egts never get high Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493775 Share on other sites More sharing options...
Fastduramax Posted March 31, 2022 Share Posted March 31, 2022 Thanks John, Im guessing your pump is a Robert Bosch ? Mine is an AMBAC I don't think the ground plate mod applies to Ambac ? Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493911 Share on other sites More sharing options...
fjh Posted March 31, 2022 Share Posted March 31, 2022 9 hours ago, Fastduramax said: Thanks John, Im guessing your pump is a Robert Bosch ? Mine is an AMBAC I don't think the ground plate mod applies to Ambac ? AMBAC is a screw! I Wouldn't give it more than one turn ! Just sayin! 1 Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493930 Share on other sites More sharing options...
John3406 Posted March 31, 2022 Share Posted March 31, 2022 13 hours ago, Fastduramax said: Thanks John, Im guessing your pump is a Robert Bosch ? Mine is an AMBAC I don't think the ground plate mod applies to Ambac ? I dont know about the ambac. I have only messed with bosch pumps Quote Link to comment https://www.bigmacktrucks.com/topic/69428-newer-turbo-for-e6-350/#findComment-493956 Share on other sites More sharing options...
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