Forced Induction Superchargers | Turbochargers | Intercoolers

no intercooler on big turbos

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Old Apr 14, 2010 | 03:55 PM
  #21  
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Ive had a few different alky injection companys tell me different things that didn't exactly pan out. Don't get me wrong I do you them as added protection on customers street cars but they never delivered what was touted by the SALES MAN. Remember they are trying to sell you something. Are you able to log pre and post temps?
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Old Apr 14, 2010 | 07:08 PM
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Originally Posted by cjg454ss
yeah i talked to the alky injection systems guy and he recommended a pre turbo nozzle and two post nozzles. typically he has seen temp in the 250-280* range come down to 130*, that will work perfect for me.
same here, i think i am going to give it a try. this is on my old rat rod that didn't have any space for an IC without cutting the original grill.

I will use straight meth as I believe it will evaporate better than water and hopefully won't impact the impellers as hard.

I wonder how much will be released under the hoop when the BOV opens?
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Old Apr 15, 2010 | 09:43 AM
  #23  
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Meth injection is not a replacement for a good intercooler.
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Old Apr 15, 2010 | 03:06 PM
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Originally Posted by code4
same here, i think i am going to give it a try. this is on my old rat rod that didn't have any space for an IC without cutting the original grill.

I will use straight meth as I believe it will evaporate better than water and hopefully won't impact the impellers as hard.

I wonder how much will be released under the hoop when the BOV opens?
water has infinite octane. Im going to run 50/50
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Old Apr 17, 2010 | 08:15 PM
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Ok well i run on the street with 10.5-1 comp. and run 10 pis sometimes 18 and see intake temps on my 5th dyno run of 65 deg's you can keep your beer cold on the intake during a run lol.. on the street on the highway in cold weather it dont work too well as my carb will frost up and freeze.... it can be done but E85 or full meth is needed.. I think all forced fed cars need some type of alky to really to run to the max!!!!
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Old Sep 7, 2010 | 08:16 AM
  #26  
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back from the dead, a little update, the ebay 4inch on 15psi sees 117* intake temps, with the alky turned on it sees 90* temps. I am switched over to E85 and what do you guys think the temps will be with dual 14 AIS nozzles and no intercooler? again the cars a 408 s91 with 18-20psi max.

...ps, problem is the car runs hot and i want to get more cold air into the radiator, the dang intercooler blocks everything it seems.
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Old Sep 7, 2010 | 01:34 PM
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Is 90 degrees meth and intercooler?

With e85 for fuel I would be surprised if it dropped anoth 20 degs. I would ditch the intercooler at this point as it becomes an unnecessary restriction
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Old Sep 7, 2010 | 02:43 PM
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Originally Posted by 71 chevy
Is 90 degrees meth and intercooler?

With e85 for fuel I would be surprised if it dropped anoth 20 degs. I would ditch the intercooler at this point as it becomes an unnecessary restriction
temps were 90* with meth and intercooler. i am debating on how high the temp would be without the intercooler, seems like the pipes heatsoak might be doing more harm then good, it is just a cheap fleabay intercooler 4inch diameter, 3inch in and out
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Old Sep 7, 2010 | 04:57 PM
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I have a pt88 with stock radiator in stock slanted position on a 408. It stays around 180 - 190 when cruising around. Your temp problem is most likely from not running the piece that sits under the radiator. The air scoop is needed to keep it cool.

What are you running track wise an with what boost?
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Old Sep 7, 2010 | 09:13 PM
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Originally Posted by Slowhawk
Your temps with no intercooler could hit 300-400 degree's.Meth will bring it down some but an intercooler with meth would be alot better.
Is there such thing for the air temp to be too cold. I thought someone said C16 didn't like too cold of intake temps???
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Old Sep 8, 2010 | 06:33 AM
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Originally Posted by 01Z28Camaro
I have a pt88 with stock radiator in stock slanted position on a 408. It stays around 180 - 190 when cruising around. Your temp problem is most likely from not running the piece that sits under the radiator. The air scoop is needed to keep it cool.

What are you running track wise an with what boost?
you have any pictures, last night i moved the oil cooler off the radiator and the put the trans cooler under where the battery use to be. Its hard cause their is no room. I will now have a 5inch gap between the radiator and intercooler to put a air scoop,
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Old Sep 8, 2010 | 06:42 AM
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Yes I have a build thread.. Link

https://ls1tech.com/forums/forced-in...e-fun-but.html
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Old Sep 8, 2010 | 06:56 AM
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If this is a pure track machine, have you considered going A2W? Alternatively i can post you to a thread of a guy useing dry ice to great effect!

LASTLS1, i think its Q16 that like hgiher intake temps than C16. problably something to do with the energy required to get the fuel to start burning.

Chris.
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Old Sep 8, 2010 | 10:31 AM
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Originally Posted by chuntington101
If this is a pure track machine, have you considered going A2W? Alternatively i can post you to a thread of a guy useing dry ice to great effect!

LASTLS1, i think its Q16 that like hgiher intake temps than C16. problably something to do with the energy required to get the fuel to start burning.

Chris.
I didn't know if that info was true or not. The last time out my intake temps were in the 50's. I use C16.
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Old Sep 9, 2010 | 03:37 AM
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Originally Posted by code4
same here, i think i am going to give it a try. this is on my old rat rod that didn't have any space for an IC without cutting the original grill.

I will use straight meth as I believe it will evaporate better than water and hopefully won't impact the impellers as hard.

I wonder how much will be released under the hoop when the BOV opens?
Yeah, well this didn't work worth a ****. Scattered the motor on around 11 psi on a cold night with no hood. IAT's hit 238 & split the block on pump gas. I am cutting up the grill & squeezing in an intercooler.
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Old Sep 9, 2010 | 06:41 AM
  #36  
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Originally Posted by code4
Yeah, well this didn't work worth a ****. Scattered the motor on around 11 psi on a cold night with no hood. IAT's hit 238 & split the block on pump gas. I am cutting up the grill & squeezing in an intercooler.
dang, so you tried it and with the meth was still 238?
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Old Sep 9, 2010 | 07:04 PM
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Originally Posted by code4
Yeah, well this didn't work worth a ****. Scattered the motor on around 11 psi on a cold night with no hood. IAT's hit 238 & split the block on pump gas. I am cutting up the grill & squeezing in an intercooler.
Can you please explain how you had the meth system setup.
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Old Sep 9, 2010 | 11:09 PM
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I had a 15 gph pre turbo nozzle & a 4 gph pre throttle body nozzle. I had my timing set around 15 degrees. I was running 91 octane & when it shifted to 3 rd at WOT at around 11 pounds of boost it popped twice & shot the dip stick into the sky. It pre ignited on cylinders 1 and 4. Cylinder 1 busted the mahle forged piston and split the block all the way though to the water jacket. Cylinder 4 just chipped the piston. I have it back together & running with 2 new pistons & a steel block. Could'nt find an another aluminum block. I am trying to plumb the intercooler as we speak. It is a PITA.
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Old Sep 9, 2010 | 11:11 PM
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Originally Posted by cjg454ss
dang, so you tried it and with the meth was still 238?
Yeah, no hood & around a 70 degree night. I did have my air filter in a place that was not optimal for cool air though.
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Old Sep 10, 2010 | 05:57 AM
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geez, well sorry to hear all that, maybe on e85 it would of worked. my intake temps last night on 19-20psi were 110-120* with the intercooler
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