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Top end rebuild or supercharger?

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Old Oct 16, 2009 | 08:17 AM
  #21  
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dont forget high rpms will kill a stock motor pretty fast
 
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Old Oct 16, 2009 | 10:11 AM
  #22  
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Originally Posted by Mowhawk
Our stock trannys are good for around 400-450 horses, but im sure itll break quick if your mashing it all the time.

Between blower or a turbo, thats up to you. But...nobody really makes a turbo "kit" for our applications. That being said, turbos are better in the long run. After a certian rpm blowers loose hp gain.
Um, our trans can not handle that much HP, I don't know who told you that.
Yes, there are company's that make a turbo kit for our trucks.
No, after a certain rpm blowers do not loose HP gain.
 
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Old Oct 16, 2009 | 10:50 AM
  #23  
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first of all....$1500 ?

thats gonna take you a while because you are gonna be looking for used parts.

if you put a price on what i have done so far...probably around 2 grand (but most of it was bartered...lol)

do the rebuild...you will like it more and it can be setup to your likings. the SC or turbo limits you to the HP torque rpm fuel/air etc. settings.

BTW...that 2 grand doesnt include a cam.

check out my thread if you are interested in the numbers.

now...our trannys...not so bad, they have a bad reputation but i have had great luck.
 
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Old Oct 16, 2009 | 11:17 AM
  #24  
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Originally Posted by AlabamaRam95
first of all....$1500 ?

thats gonna take you a while because you are gonna be looking for used parts.

if you put a price on what i have done so far...probably around 2 grand (but most of it was bartered...lol)

do the rebuild...you will like it more and it can be setup to your likings. the SC or turbo limits you to the HP torque rpm fuel/air etc. settings.

BTW...that 2 grand doesnt include a cam.

check out my thread if you are interested in the numbers.
If you get the truck programmed correctly it will run hard but he is correct. To get the
supercharger tuned in (via SCT) the front O2 sensor will be turned off and your programmer
will have to get the fuel table tweaked in just right. Its not as simple as tuning for a top
end.
+1 on Alabama's advice on the top end rebuild, he is pulling numbers comprable to my 5.9
with a supercharged stock motor.
 
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Old Oct 16, 2009 | 05:55 PM
  #25  
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Originally Posted by xskylinedx
Um, our trans can not handle that much HP, I don't know who told you that.
Yes, there are company's that make a turbo kit for our trucks.
No, after a certain rpm blowers do not loose HP gain.
Yes they do the percentage of a gain goes down. Pluss you need power to make power, not so much with a turbo.

I believe it was RM Indy who said that that about tranny.

And who makes the turbos? the STS you mean. Thats not really a "kit" as in what im refering too. Thats more of a make it yourself kit.

Proof of turbos vs superchargers: skip to about 7:06 on the first part for Supercharger info Really good info
http://www.youtube.com/watch?v=Z3iBKwcQ3Yc
Second part turbos. again, really good info. Everyone should watch
http://www.youtube.com/watch?v=poCsdMrm998&NR=1
 
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Old Oct 16, 2009 | 05:57 PM
  #26  
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*note im not trying to start a war or anything just sayin is all

anywho +1 for the rebuild, smartest thing right now.
 
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Old Oct 18, 2009 | 03:08 PM
  #27  
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Originally Posted by Mowhawk
*note im not trying to start a war or anything just sayin is all

anywho +1 for the rebuild, smartest thing right now.
There is no war to start.
You said that superchargers loose hp gain over certain rpms. sorry man but thats wrong.
my supercharger has its largest increase of hp over stock almost at the rev limit.
The link I gave was for a company that does a complete turbo kit for magnum engines, yes
they also provide a "do it yourself job".
I like RM Indy, helluva guy. But I, and many mopar guys i know, don't trust this trans at
those hp levels and if you do then good luck.
 
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Old Oct 18, 2009 | 03:22 PM
  #28  
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Originally Posted by xskylinedx
There is no war to start.
You said that superchargers loose hp gain over certain rpms. sorry man but thats wrong.
my supercharger has its largest increase of hp over stock almost at the rev limit.
The link I gave was for a company that does a complete turbo kit for magnum engines, yes
they also provide a "do it yourself job".
I like RM Indy, helluva guy. But I, and many mopar guys i know, don't trust this trans at
those hp levels and if you do then good luck.
Well, Im wrong about that gain loss then. Nothing can come from that than good , and sorry i missed that link. Thats sweet though about turbo kits, I thought we were still pretty much boned for turbos like that. Is this kit new?

Also, for the record...I wouldnt trust our trans for more than what our rams came with stock either. Im 100% with you that they are complete crap.

But, you watch those videos? Thats a good heap of awsome info. Btw, truck who holds the land speed record(for trucks).....Dodge think it was 212mph???
 
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Old Oct 18, 2009 | 03:42 PM
  #29  
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Originally Posted by Mowhawk
\
But, you watch those videos? Thats a good heap of awsome info. Btw, truck who holds the land speed record(for trucks).....Dodge think it was 212mph???
Uh, IIRC, that may be a dak body, but I believe that is an Izuzu Duramax tucked under the hood.
 
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Old Oct 18, 2009 | 03:43 PM
  #30  
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they were awsome vids. When I talked to the guy at PIE I can't remember if he said it was
an sts turbo that they completed or if it was something else entirely. I whole heartidly agree
that turbos are a great way to make power, it just depends on your application. If I were to
build a strictly street rig I would definately want a turbo, they make gobs of power, and if I
was running street I wouldn't mind turbo lag. I do a lot of different things with my truck
including off road use and a rear turbo would get completely trashed.
I don't know if this debate would be the same if we were talking about an engine with a
higher capacity for revs. Not sure how a supercharger would respond to say like a v-tec
motor that runs into the 8k rpm range. My best guess would be that the power increase
would fall off but it would also depend on what kind of SC and what brand of SC.
Anyway, hopefully the OP notices that although we didn't always agree on forced induction
he realized that we both (along with others) agree that a top end rebuild would be a good idea.
 
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