Upgraded to 75 atmo, same mph at track. Thoughts?

Crack85 · Oct 17, 2015

webb06 said:
He tends to do that....

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LMAO!!!!

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Rubenk · Oct 18, 2015

Put down 644hp/1296tq at the dyno today on my Midwest diesel tune. Fixed my boost leak yesterday and it spools even better off the line, same peak boost though. Dropping rail pressure so it has some left on the table as soon as I get that figured out.

Rmartin-97 · Oct 18, 2015

Good number my set up only put down 616hp.

AirFishAutomotive · Oct 18, 2015

Powerstroke Man 6.4 said:
Stock fuel? maybe you are not pushing the 75 hard enough?

webb06 said:
I agree with this. The turbo can't be the issue. There's something else

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How did the aftermarket cooler mess up your hp?

RSK · Oct 18, 2015

Rubenk said:
Put down 644hp/1296tq at the dyno today on my Midwest diesel tune. Fixed my boost leak yesterday and it spools even better off the line, same peak boost though. Dropping rail pressure so it has some left on the table as soon as I get that figured out.

Nice dude numbers, sound good, once you get that rp fixed should be mint!

bigrpowr · Oct 18, 2015

Rubenk said:
Put down 644hp/1296tq at the dyno today on my Midwest diesel tune. Fixed my boost leak yesterday and it spools even better off the line, same peak boost though. Dropping rail pressure so it has some left on the table as soon as I get that figured out.

awesome. thats about where my green truck feels with the 59/72. so far my rail pressure is good though .

webb06 · Oct 18, 2015

AirFishAutomotive said:
How did the aftermarket cooler mess up your hp?

Are you talking intercooler?

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Morgan@Midwest Diesel & Auto · Oct 18, 2015

bigrpowr said:
awesome. thats about where my green truck feels with the 59/72. so far my rail pressure is good though .

Your trucks is running more IPW and holding it. Rubens tune is lower IPW trying to make the pump hold.

I think the new reman pumps are not as good as your original.

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bigrpowr · Oct 18, 2015

Morgan@Midwest Diesel & Auto said:
Your trucks is running more IPW and holding it. Rubens tune is lower IPW trying to make the pump hold.

I think the new reman pumps are not as good as your original.

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exactly what i figured. he has more air i have more fuel . god knows what pump is in mine.

Morgan@Midwest Diesel & Auto · Oct 18, 2015

Lol, true. Either way yours is holding more ipw.

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Rubenk · Oct 18, 2015

Thanks guys! I think its interesting to see the capabilities of stock components! I hate that my "new" HPFP is looking to be weak. Gonna toss the LPFP on before I know for sure though.

Video for anyone interested. https://youtu.be/tUFMkWK1CNM

AirFishAutomotive · Oct 19, 2015

webb06 said:
Are you talking intercooler?

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Yes

webb06 · Oct 19, 2015

AirFishAutomotive said:
Yes

Not real sure. Never did anymore investigating than swapping the stock back on. I did pressure test it and found no leaks. Something internal had to be the problem.

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RSK · Oct 19, 2015

Rubenk said:
Thanks guys! I think its interesting to see the capabilities of stock components! I hate that my "new" HPFP is looking to be weak. Gonna toss the LPFP on before I know for sure though.

Video for anyone interested. https://youtu.be/tUFMkWK1CNM

I would have thought it would have been completely smoke free with that rcd 75 atmo on there. Still cleans up pretty well.