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Old Apr 16, 2004 | 11:26 PM
  #1  
sephiroth99's Avatar
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Car: 86 z28
Engine: 350
Transmission: t-5 original
most horsepower

hi i was just wondering what the best configuration for the most horsepower from an 86 z28, doesnt matter the cost just wanted to know the max hp without stuff like nitrous. thanks
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Old Apr 17, 2004 | 05:44 AM
  #2  
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ede
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there is no best and cost is always a factor. you should better define your question and your parameters.

Last edited by ede; Apr 17, 2004 at 05:51 AM.
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Old Apr 17, 2004 | 09:17 AM
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502 with huge blower and nitrous. just kidding. You should be more specific, what engine, how much power, etc.
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Old Apr 17, 2004 | 01:28 PM
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From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
Replace your 305 with a 350. Then replace the exaust and add headers. Then some good heads, and intake and a cam. Simple enough?
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Old Apr 17, 2004 | 01:43 PM
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Car: 86 z28
Engine: 350
Transmission: t-5 original
sorry about that, i was wondering what would be best to do with
a 350, like carb or stealthram (or other tpi), exhaust, headers, cat, and was also wondering i have seen alot of people with the 700r4 with the 350 would that be the best trans to use for a 350? thanks again
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Old Apr 17, 2004 | 01:59 PM
  #6  
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ede
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depends on how you define best. you need to set some parameters and then the choice gets a lot easier.
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Old Apr 17, 2004 | 03:46 PM
  #7  
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Car: 86 z28
Engine: 350
Transmission: t-5 original
ok, like what route would be better carb or tpi i know tpi isnt easier but could i possibly get more hp from a tpi than a carb? and if i do go tpi, would a stealthram be good? or is there a better tpi system to gain more hp.
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Old Apr 17, 2004 | 05:00 PM
  #8  
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ede
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you still need to say what you're wanting to do. budget, class, usage, and anything else that will factor into it, like e check or rules. you're asking an unanswerable question without defining the parameters you're trying to work within.
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Old Apr 17, 2004 | 05:30 PM
  #9  
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Car: 86 z28
Engine: 350
Transmission: t-5 original
sorry bout that didnt get the question clearly last time. budget around 20,000, usage mainly show car, summer driving only, im in canada so no worry bout emissions. I wouldnt be drag racing or anything like that just a casual car with some higher end stuff for MORE POWER!!!! hehe
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Old Apr 17, 2004 | 05:42 PM
  #10  
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ede
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i'd go efi with some custom prom tuning all else being equal. i'd build a 400 SBC or a 350 SBC. as for a trans guess that'd be more preferance than anything else. think t56 or tremac would be my picks for a manual and a pro built 700r4 for an A4 and for a A3 a th350. rear would be a 12 bolt with c clip eliminators. that should pretty much eat up your budget by the time you add in all the little things.
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Old Apr 17, 2004 | 05:55 PM
  #11  
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Car: 86 z28
Engine: 350
Transmission: t-5 original
thanks
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Old Apr 17, 2004 | 07:22 PM
  #12  
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From: Flowery Branch, GA
Car: 1985 Iroc-Z
Engine: 1 BA 305 TPI
Transmission: Probuilt 700R4 - 2800 Stall Midwest
Axle/Gears: 3.42
With $20000 I would save myself the trouble an buy another car. You could get a builtup TA with a LS1 for about about $14,000, add a supercharger to it and your done.
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Old Apr 17, 2004 | 09:59 PM
  #13  
sephiroth99's Avatar
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Car: 86 z28
Engine: 350
Transmission: t-5 original
ya but i already have a 86 z28 but i think i actually might go with a 350 or 400 zz4, stealthram, and a 700r4 anyone know about how much that would roughly cost? going from a carbed 350, not sure bout the trans but its the original stock thanks
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Old Apr 17, 2004 | 10:54 PM
  #14  
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From: Flowery Branch, GA
Car: 1985 Iroc-Z
Engine: 1 BA 305 TPI
Transmission: Probuilt 700R4 - 2800 Stall Midwest
Axle/Gears: 3.42
You will definitely need to replace that transmission. The 700R4 can be built to handle the horsepower and Pro-Built would be the way to go. Go to www.pro-built.net for prices. I think they are around $1400.
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Old Apr 17, 2004 | 11:10 PM
  #15  
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Joined: Apr 2001
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From: USA
Car: yy wife, crazy.
Engine: 350, Vortecs, 650DP
Transmission: TH-350
Axle/Gears: 8.5", 3.42
$20K???

Get this

http://www.shafiroff.com/472_675_engine.asp
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Old Apr 17, 2004 | 11:30 PM
  #16  
sephiroth99's Avatar
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Car: 86 z28
Engine: 350
Transmission: t-5 original
lol tight *** engine AJ_92RS but i need a trans and other parts as well
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