Duramax Diesels Forum Truck of the Week
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Old 10-14-2018, 07:04 PM
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Default 72stg2r, sxe372ís in a triple setup?

Hey fellas, Iíve been bouncing around the idea of triples for my next setup. What are your thoughts on 72stg2r and sxe372ís as atmosphere chargers? Will likely be going to a 14mm cp3 or twin over my 12 and 250ís or so. Right now Iím pulling my 14k fifth wheel to the track and would love to continue doing so with this setup. Thoughts? Any guesses as to what it could make power wise?
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2007 lmm: kryptonite front end, full billet trans by Sdp, SoCal engine ovals and Carrillos, 12mm exergy stroker, 100 over exergy injectors, sdp billet 68mm over billet 480, awesome tuning from Aaron at All in trucks.
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Old 10-14-2018, 07:29 PM
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Originally Posted by boostwhore View Post
Hey fellas, Iíve been bouncing around the idea of triples for my next setup. What are your thoughts on 72stg2r and sxe372ís as atmosphere chargers? Will likely be going to a 14mm cp3 or twin over my 12 and 250ís or so. Right now Iím pulling my 14k fifth wheel to the track and would love to continue doing so with this setup. Thoughts? Any guesses as to what it could make power wise?
Your injectors are going to hold you back to the 1200hp matk. Save your money and get a 10mm pump. Also would do s369s.
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Old 10-14-2018, 08:21 PM
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Ya, I just wanted to stay somewhat driveable with the 250’s. Pulling a trailer with anything bigger might be a little bit much, but 1400-1500rwhp is where I ultimately would like to be. What injectors would you recommend for those power levels? Was thinking the 372 would leave a bit of room for growth.
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2007 lmm: kryptonite front end, full billet trans by Sdp, SoCal engine ovals and Carrillos, 12mm exergy stroker, 100 over exergy injectors, sdp billet 68mm over billet 480, awesome tuning from Aaron at All in trucks.
Best 1/4 to date: 11.06 at 127 in the chase for 10ís.
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Old 10-14-2018, 08:23 PM
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Originally Posted by boostwhore View Post
Ya, I just wanted to stay somewhat driveable with the 250ís. Pulling a trailer with anything bigger might be a little bit much, but 1400-1500rwhp is where I ultimately would like to be. What injectors would you recommend for those power levels? Was thinking the 372 would leave a bit of room for growth.
Nothing in that power range will work pulling. I would say you would need 400s since it's a lmm.
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Old 10-14-2018, 08:53 PM
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You ain't gunna tow 15k with 1500hp on tap just letting you know... Can't have a race truck and a tow truck all in one...
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Old 10-14-2018, 08:58 PM
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They will be Lbz injectors like I have now. Do you think that turbo setup would be capable of those power levels? My only reason for wanting the vgt in the valley is to try and maintain some street manners/towabililty (don’t think that’s a word, you know what I mean).
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2007 lmm: kryptonite front end, full billet trans by Sdp, SoCal engine ovals and Carrillos, 12mm exergy stroker, 100 over exergy injectors, sdp billet 68mm over billet 480, awesome tuning from Aaron at All in trucks.
Best 1/4 to date: 11.06 at 127 in the chase for 10ís.
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Old 10-14-2018, 09:09 PM
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Quote:
Originally Posted by hondarider552 View Post
You ain't gunna tow 15k with 1500hp on tap just letting you know... Can't have a race truck and a tow truck all in one...
I have been around long enough, kinda knew this was the response I would get as far as power levels and towing. I have absolutely no experience with a truck of those power levels. But I am gonna do my very best to prove ya wrong, if nobody tried to do the impossible we wouldnít be where weíre at in this industry.
My favourite part about my current setup is pulling the trailer out of the pits after beating on dedicated trailer queens. Itís always good for a couple confused looks.
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2007 lmm: kryptonite front end, full billet trans by Sdp, SoCal engine ovals and Carrillos, 12mm exergy stroker, 100 over exergy injectors, sdp billet 68mm over billet 480, awesome tuning from Aaron at All in trucks.
Best 1/4 to date: 11.06 at 127 in the chase for 10ís.
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Old 10-15-2018, 06:34 AM
Nickracer9 Nickracer9 is offline
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The s369ís should get you there but the valley vgt will be your restriction. Could probably get more if you gate around it. I was told by hsp you would need a s468 for the 12-1300whp range and a s472 for the 1400-1500 range. It sounds good but then I started thinking how much more stress the converter and everything else will be taking. Iím shooting for a true 1100ish with my 68 stg2r/71mm turbine and s369ís. Going with exergy 150ís but hoping they arenít too smokey since I tow often as well. Iíll let you know how my setup goes by mid November.
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Old 10-15-2018, 08:02 AM
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Quote:
Originally Posted by boostwhore View Post
They will be Lbz injectors like I have now. Do you think that turbo setup would be capable of those power levels? My only reason for wanting the vgt in the valley is to try and maintain some street manners/towabililty (donít think thatís a word, you know what I mean).
Still not enough fuel. Everyone compares injector percentages not realizing that's over factory flow. A lly 200% flows almost the same as a lbz 250%.
Josh H on here has a great deal on some lbz 250s
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Old 10-15-2018, 04:03 PM
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Ya I’ve been looking at his injectors, need to finish building a house before I can move forward with the truck. Any guesses on where the 72 vgt ungated with the 369’s would run outta air assuming fuel is not an issue?
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2007 lmm: kryptonite front end, full billet trans by Sdp, SoCal engine ovals and Carrillos, 12mm exergy stroker, 100 over exergy injectors, sdp billet 68mm over billet 480, awesome tuning from Aaron at All in trucks.
Best 1/4 to date: 11.06 at 127 in the chase for 10ís.
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Old 10-15-2018, 04:12 PM
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Quote:
Originally Posted by boostwhore View Post
Ya Iíve been looking at his injectors, need to finish building a house before I can move forward with the truck. Any guesses on where the 72 vgt ungated with the 369ís would run outta air assuming fuel is not an issue?
I think harbin made 1200 on 72 and 69s. Not sure though.
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Old 10-15-2018, 04:30 PM
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I think harbin made 1200 on 72 and 69s. Not sure though.
1256hp at the tires is the most I've personally seen from that turbo setup.
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Old 10-15-2018, 05:46 PM
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Depends on which calculator I use but mine is somewhere in the 1175-1325hp at the tire area lol. 72R with two SXE369's and 200% LBZ inj. Still tows my 4500# boat pretty well
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