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Ddnspider's- Project Wrong-Way- Rear Mount Turbo Thread

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Old Jul 31, 2019 | 09:50 AM
  #201  
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Originally Posted by ddnspider
Thanks! Should get in that coupler and a lap clamp for the exhaust today. Hopefully make some more boost with it and see what happens. I still can't believe my IAT's aren't moving during a pull in FL summer lol.
Hell ya turn it up! I was out mashing on mine when it was over 100* here, mine didn't care.
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Old Jul 31, 2019 | 09:58 AM
  #202  
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Originally Posted by SLOW SEDAN
Hell ya turn it up! I was out mashing on mine when it was over 100* here, mine didn't care.
I know <600whp is still small potatoes, but I'm digging the setup so far. Turbo lights fast, no IAT issues, no under hood stuff melting. I'm only sitting on 12 degrees of timing as the CR is ~10.5:1 on 93 octane. If the coupler fixes my boost issue and I can make 10-12 psi, I'm guessing I'll need that Walbro 450 and an LS7 MAF. Still don't believe the car hooks 2nd either lol. And this is with long tube headers and only the Y pipe is wrapped. Even have a cutout probably jacking up exhaust flow in the I pipe (closed obviously, but it still fills space with exhaust.) Now I need to figure out how to get some phone vids while shifting
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Old Jul 31, 2019 | 10:18 AM
  #203  
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Originally Posted by ddnspider
I know <600whp is still small potatoes, but I'm digging the setup so far. Turbo lights fast, no IAT issues, no under hood stuff melting. I'm only sitting on 12 degrees of timing as the CR is ~10.5:1 on 93 octane. If the coupler fixes my boost issue and I can make 10-12 psi, I'm guessing I'll need that Walbro 450 and an LS7 MAF. Still don't believe the car hooks 2nd either lol. And this is with long tube headers and only the Y pipe is wrapped. Even have a cutout probably jacking up exhaust flow in the I pipe (closed obviously, but it still fills space with exhaust.) Now I need to figure out how to get some phone vids while shifting
Even at 11:1 and twins I didn't see any knock until 17lbs on straight pump 93 and about your timing 11-12 degrees. At which point I went to E85 and got to add timing back in, it made the same power on 14lbs with the timing then it did with 17lbs and lower timing.
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Old Jul 31, 2019 | 10:33 AM
  #204  
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Originally Posted by SLOW SEDAN
Even at 11:1 and twins I didn't see any knock until 17lbs on straight pump 93 and about your timing 11-12 degrees. At which point I went to E85 and got to add timing back in, it made the same power on 14lbs with the timing then it did with 17lbs and lower timing.
You must have had some good backpressure. I'm guessing that lil GT67 is gonna cry when I turn it up LOL.
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Old Jul 31, 2019 | 10:38 AM
  #205  
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Originally Posted by ddnspider
You must have had some good backpressure. I'm guessing that lil GT67 is gonna cry when I turn it up LOL.
Ya, your turbo is tiny! Maybe instead of replacing with the other turbo just run them both back there lol
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Old Jul 31, 2019 | 11:00 AM
  #206  
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Originally Posted by SLOW SEDAN
Ya, your turbo is tiny! Maybe instead of replacing with the other turbo just run them both back there lol
If I had an H/X/Dual I think I would have gone that route LOL.
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Old Jul 31, 2019 | 11:00 PM
  #207  
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Videos. I wanna hear it...even just a rev.
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Old Aug 2, 2019 | 07:48 PM
  #208  
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Welp...officially out of maf and probably pump. Ordered a transducer to log pressure. Up to ~8 psi. Really need to get the cutout out of the I pipe and get a muffler on this thing Apparently it still revs though...
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Old Aug 2, 2019 | 08:51 PM
  #209  
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Originally Posted by ddnspider
Welp...officially out of maf and probably pump. Ordered a transducer to log pressure. Up to ~8 psi. Really need to get the cutout out of the I pipe and get a muffler on this thing Apparently it still revs though...
Isn't 7k a wonderful sound? Was it dancing across lanes?
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Old Aug 3, 2019 | 06:41 AM
  #210  
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Originally Posted by Game ova
Isn't 7k a wonderful sound? Was it dancing across lanes?
It was hooking, like I said hard to believe. 7k turbo no muffler is pretty nasty sounding. It was my fault though I was paying too much attention to how much boost it was making. Up to 8 psi now. Need to get the rest of the exhaust wrapped and that cutout gone and see what happens. I should just get the walbro 450 in and the ls7 maf on and keep turning it up.

Last edited by ddnspider; Aug 3, 2019 at 07:02 AM.
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Old Aug 3, 2019 | 06:44 AM
  #211  
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Originally Posted by ddnspider
keep turning it up.
There isn't a soul on this forum that will disagree with this.
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Old Aug 3, 2019 | 07:01 AM
  #212  
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Originally Posted by Game ova
There isn't a soul on this forum that will disagree with this.
having these rpm speed pistons doing some work lol.
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Old Aug 3, 2019 | 12:38 PM
  #213  
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Originally Posted by ddnspider
having these rpm speed pistons doing some work lol.
Hopefully they take more then stock pistons!
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Old Aug 3, 2019 | 01:10 PM
  #214  
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Originally Posted by SLOW SEDAN
Hopefully they take more then stock pistons!
Lol I think they told me theyve done 10 psi on them....just not from what setup so not sure of the power level.
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Old Aug 3, 2019 | 02:25 PM
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5.3s and 6.0s so far.
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Old Aug 3, 2019 | 05:48 PM
  #216  
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Originally Posted by tech@WS6store
5.3s and 6.0s so far.
Ah, no boosted 5.7s with those pistons? I'm the guinea pig
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Old Aug 3, 2019 | 07:36 PM
  #217  
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Stock pistons here. Running up to 12psi
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Old Aug 4, 2019 | 01:09 AM
  #218  
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Its likely. We sell so many and most dont get back with us. At least they are still goin strong so far!
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Old Aug 6, 2019 | 10:33 PM
  #219  
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Stock piston LS3 here, 13.7psi at 11:1 and 93 pump here... but 15psi down on 1 cylinder, might have hurt it lol
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Old Aug 6, 2019 | 10:42 PM
  #220  
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Originally Posted by ddnspider
Thanks! Should get in that coupler and a lap clamp for the exhaust today. Hopefully make some more boost with it and see what happens. I still can't believe my IAT's aren't moving during a pull in FL summer lol.
How have your iats been lately? What intercooler you running?
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