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free mods for tpi??

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Old Mar 2, 2002 | 06:50 PM
  #1  
crawlin 25th's Avatar
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From: lansing,il
Car: 92 z28
Engine: carb'd small block
Transmission: th400
Axle/Gears: 10+2 bolt
free mods for tpi??

i was just wondering what are some good tpi free mods i can do to my car.



thanks for all of your replies, mike
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Old Mar 2, 2002 | 07:32 PM
  #2  
nblanchard's Avatar
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From: Welland, ON, Canada
Porting the plenum and runners and intake base is one job you can do. Timing tweaking. If you are good at fabricating things, you can make you own adjustable fuel pressure regulator for around 20bux. Bypassing the throttle body coolant lines (not really much of a power adder, helps a bit in hot weather). Thats all I can think of.
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Old Mar 2, 2002 | 11:33 PM
  #3  
IROCZ28KevinZ's Avatar
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From: Sedalia, MO
Car: 1991 Z28 convertible
Engine: 305 TPI
Transmission: TH-700R4
Axle/Gears: 3.73 posi 4th gen 10-bolt
i'm a cheap ****, so free is GOOD!!!

You can also remove your air cleaner holder from the car and remove the restrictors at the botto. they bolt right in, and bolt right out. also, if you have the channeling and holes for foglights, but o foglights, you could also rig up a decent ram air setup. i'll be doing tht one myself this summer. the way i'll do it, is cut a large rectangular hole in the foglight channel, then get some big, light ducting from home depot and find a way to remove the bottom of the air cleaners holder by cutting and screw the ducting right in. it'll be a hidden ram air

:hail: KeV
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Old Mar 5, 2002 | 03:16 AM
  #4  
crawlin 25th's Avatar
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From: lansing,il
Car: 92 z28
Engine: carb'd small block
Transmission: th400
Axle/Gears: 10+2 bolt
hw do you bypass the throttle body coolant lines????? i would ike my car to run cooler in the summer.
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Old Mar 5, 2002 | 08:34 AM
  #5  
87irocz350's Avatar
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From: MNT.Washington, KY
Car: 87 Iroc
Engine: L98
Transmission: T-5 3.42's
Yo, I was thinkin about doing that ram air thing too.
But riddel me this.
Those things under your air filters. What are those and how do you get rid of them.
Im talkin about a L98
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Old Mar 5, 2002 | 09:57 AM
  #6  
Vader's Avatar
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25th,

180°F thermostat and fan control (good excuse to flush the cooling system and convert to DexCool): Cooling system.pdf ;

Gutted air box/filter housing (Tech Articles);

Ported plenum: Plenum Porting.pdf ;

Converted adjustable fuel pressure regulator: AFPR.pdf ;

Relocated MAT sensor (effective on Speed/Density schemes: IAT-MAT Sensor Relocation.pdf

Synthetic engine lubricant;

Synthetic transmission fluid;

Synthetic differential lubricant;

And whatever else you can find in the Tech Articles.

Last edited by Vader; Mar 31, 2018 at 09:54 PM. Reason: Updated links
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