List your lo3 mods
List your lo3 mods
Can yall list your lo3 mods?
My only thing I have done is put an Weiand open face breather and had straight pipe duals y-ed out past the cat. Don't worry when the headers come I'm adding mufflers and running no cats.
My only thing I have done is put an Weiand open face breather and had straight pipe duals y-ed out past the cat. Don't worry when the headers come I'm adding mufflers and running no cats.
DUAL SNORKEL AIR CLEANER W/ K&N
K&N PUSH IN BREATHER
HYPERTECH CHIP
HYPERTECH PULLIES
HYPERTECH LOW TEMP FAN SWITCH
HYPERTECH 180* T-STAT
MSD COIL, CAP, ROTOR & WIRES
AC RAPIDFIRE PLUGS
LARGER Y-PIPE
CAT CO. CAT
DYNOMAX CAT-BACK
4* ADVANCED TIMING
K&N PUSH IN BREATHER
HYPERTECH CHIP
HYPERTECH PULLIES
HYPERTECH LOW TEMP FAN SWITCH
HYPERTECH 180* T-STAT
MSD COIL, CAP, ROTOR & WIRES
AC RAPIDFIRE PLUGS
LARGER Y-PIPE
CAT CO. CAT
DYNOMAX CAT-BACK
4* ADVANCED TIMING
Supreme Member

Joined: Oct 1999
Posts: 2,977
Likes: 1
From: Davison / Troy ,Michigan
Car: 1991 Pontiac Firebird
Engine: 3.8
Transmission: 700r4
Axle/Gears: Dana 60
--Flowmaster 80 Series Muffler
--Custom 3" Cat-Back
--No Cat
--Edelbrock TES Headers
(3" collector Y-Pipe and Coated)
--TB Spacer
--K&N 14x3 Open Element
--MSD Cap/Rotor
--MSD Blaster Coil
--MSD 8.5mm Superconducter Wires
--Timing advanced 6*
--AC Rapidfire Plugs
--March Underdrive Pulleys
--180 Stat
--Hypertech Thermomaster Chip
--Pollyurthane Trans Mount
--TransGo Shift Kit
--B&M 28,000 GVW Supercooler
--3:42 GM Motive Gears
--SLP Posi
--KYB Gas-a-just Shocks
--KYB GR-2 Struts
--Edelbrock Strut Tower Brace
--Kumho ECSTA Supra 712's 255/50/ZR16's
--ASCD Ram Air Hood (modified)
--Lakewood Lower Control Arms
--Emissions Pulled
(AIR and Smog Pump)
--166*/176* Hypertech Fan Switch
Mods Waiting To Be installed
(I am a busy man)
--Adjustable Fuel Pressure Regulator
--NOS System 75-125hp
Soon to be Ordered
--Aftermarket Sway Bars
--Lakewood Adjustable Panhard Bar
--Adjustable Torque Arm
--Slicks
I want to finish up my suspension this summer with the 3 listed above but at the same time I would love to install an LT1 cam and Edelbrock Performer intake. So as of now the suspension is what I am gonna shoot for, but it could be a toss up.
--Custom 3" Cat-Back
--No Cat
--Edelbrock TES Headers
(3" collector Y-Pipe and Coated)
--TB Spacer
--K&N 14x3 Open Element
--MSD Cap/Rotor
--MSD Blaster Coil
--MSD 8.5mm Superconducter Wires
--Timing advanced 6*
--AC Rapidfire Plugs
--March Underdrive Pulleys
--180 Stat
--Hypertech Thermomaster Chip
--Pollyurthane Trans Mount
--TransGo Shift Kit
--B&M 28,000 GVW Supercooler
--3:42 GM Motive Gears
--SLP Posi
--KYB Gas-a-just Shocks
--KYB GR-2 Struts
--Edelbrock Strut Tower Brace
--Kumho ECSTA Supra 712's 255/50/ZR16's
--ASCD Ram Air Hood (modified)
--Lakewood Lower Control Arms
--Emissions Pulled
(AIR and Smog Pump)
--166*/176* Hypertech Fan Switch
Mods Waiting To Be installed
(I am a busy man)
--Adjustable Fuel Pressure Regulator
--NOS System 75-125hp
Soon to be Ordered
--Aftermarket Sway Bars
--Lakewood Adjustable Panhard Bar
--Adjustable Torque Arm
--Slicks
I want to finish up my suspension this summer with the 3 listed above but at the same time I would love to install an LT1 cam and Edelbrock Performer intake. So as of now the suspension is what I am gonna shoot for, but it could be a toss up.
Last edited by 91Bird305; Feb 16, 2002 at 03:31 PM.
My mods:
ASCD RAMAIR HOOD
RAM AIR LOGOS
CHEVY 350 - 4 BOLT MAIN RECON PERFORMANCE ENGINE 708520 HD (CUSTOM)
- 2.02 INTAKE/1.60 EXHAUST VALVES
- FLAT TOP HYPEREUTECTIC PISTONS (10.0:1 COMPRESSION)
- MOLY RINGS
- EDELBROCK DOUBLE ROLLER TIMING CHAIN
- HARDENED PUSH RODS
- CAST IRON CRANKSHAFT
- CRANE 2030 CAM
14" OPEN ELEMENT K&N
HOLLEY 670CFM TBI UNIT 502-6
CUSTOM TBI SPACER MADE BY DC WATER JET
WEIAND 300-49 INTAKE MANIFOLD
EGR VALVE 1711-3433
HIFLOW CATALYTIC CONVERTER
FLOWMASTER 80 MUFFLER
HYPERTECH CUSTOM THERMO MASTER CHIP
160 THERMOSTAT
PHOENIX GRAPHIX LOGOS 1991 5.7 FI FORMULA
(I don't think I categorize as an L03 anymore however....)
RAM AIR LOGOS
CHEVY 350 - 4 BOLT MAIN RECON PERFORMANCE ENGINE 708520 HD (CUSTOM)
- 2.02 INTAKE/1.60 EXHAUST VALVES
- FLAT TOP HYPEREUTECTIC PISTONS (10.0:1 COMPRESSION)
- MOLY RINGS
- EDELBROCK DOUBLE ROLLER TIMING CHAIN
- HARDENED PUSH RODS
- CAST IRON CRANKSHAFT
- CRANE 2030 CAM
14" OPEN ELEMENT K&N
HOLLEY 670CFM TBI UNIT 502-6
CUSTOM TBI SPACER MADE BY DC WATER JET
WEIAND 300-49 INTAKE MANIFOLD
EGR VALVE 1711-3433
HIFLOW CATALYTIC CONVERTER
FLOWMASTER 80 MUFFLER
HYPERTECH CUSTOM THERMO MASTER CHIP
160 THERMOSTAT
PHOENIX GRAPHIX LOGOS 1991 5.7 FI FORMULA
(I don't think I categorize as an L03 anymore however....)
Last edited by Snowdog 91 Formula; Feb 16, 2002 at 04:26 PM.
TGO Supporter
Joined: Nov 2000
Posts: 2,201
Likes: 0
From: Houston, TX
Car: '86 T/A
Engine: 350/LT1 Intake
Transmission: 700R4 - Built
Axle/Gears: 4th gen 3.42
Edelbrock Open Element w/ Stock Edelbrock Filter
New Sensor's all 'way 'round
Thats about it
Man I suck 
Now, Other mods include:
White Faced Guages
Ram Air II Hood
Champ 500 Rims
Blue Backlit Console (Badass)
Cheapo Wall-Mart pedals
New Sensor's all 'way 'round
Thats about it
Man I suck 
Now, Other mods include:
White Faced Guages
Ram Air II Hood
Champ 500 Rims
Blue Backlit Console (Badass)
Cheapo Wall-Mart pedals
Supreme Member
iTrader: (3)
Joined: Feb 2001
Posts: 1,375
Likes: 0
From: Winfield, IL
Car: 91 RS
Engine: 350tpi comming soon!
Transmission: fixed the 700r4 again!
91 camaro RS
- 305 TBI
Mods: Performer TBI intake,lt1 cam , ported 305 tpi heads with k-motion valve springs, 1" TBI spacer, K+N, jet fan switch ,160 thermo,Accel control module, Jet Stage 2 chip, edelbrock TES headers, Compleate 3" Flowmaster exhaust, Edelbrock springs, KYB struts and shocks, 700R4 built by TSI, SLP 2400 tq converter, b+m trans cooler, white guage faces, megashifter,malloy billit pedals,taillight blackouts, centerline 16x8 rims, spohn lcas + panhard rod,lca relocation brackets,ls1 driveshaft, gm posi with richmond 3.23 gears.. it will be all done soon.
- 305 TBI
Mods: Performer TBI intake,lt1 cam , ported 305 tpi heads with k-motion valve springs, 1" TBI spacer, K+N, jet fan switch ,160 thermo,Accel control module, Jet Stage 2 chip, edelbrock TES headers, Compleate 3" Flowmaster exhaust, Edelbrock springs, KYB struts and shocks, 700R4 built by TSI, SLP 2400 tq converter, b+m trans cooler, white guage faces, megashifter,malloy billit pedals,taillight blackouts, centerline 16x8 rims, spohn lcas + panhard rod,lca relocation brackets,ls1 driveshaft, gm posi with richmond 3.23 gears.. it will be all done soon.
Trending Topics
Supreme Member
iTrader: (5)
Joined: May 2001
Posts: 1,055
Likes: 0
From: Naples, FL
Car: 1991 Firebird
Engine: 383 stroker
Transmission: T-56
Hey 91bird305, how do you like those Kumho Supra 712's? They got really good opinon ratings in Tire Rack and they are a great price and will probably be my next tire of choice.
Supreme Member

Joined: Oct 1999
Posts: 2,977
Likes: 1
From: Davison / Troy ,Michigan
Car: 1991 Pontiac Firebird
Engine: 3.8
Transmission: 700r4
Axle/Gears: Dana 60
Hey Tom91Bird, I Love these tires. I also got them from tirerack.com and I got them for 93 a tire! Awesome price for how well they perform. I was very impressed with them and would reccomend them to anyone looking for a good performance tire for cheap. Go thru tirerack.com though since they are the cheapest and shipping was even cheaper then any other place I have visited. Good luck and I would go with a set of 255/50's all around.
Supreme Member

Joined: Mar 2001
Posts: 5,144
Likes: 2
From: CC, TX
Car: 1999 Yamaha Banshee
Engine: 379cc twin cyl 2-stroke stroker
Transmission: 6 spd manual
Axle/Gears: 14/41 tooth
Originally posted by 91Bird305
Hey Tom91Bird, I Love these tires. I also got them from tirerack.com and I got them for 93 a tire! Awesome price for how well they perform. I was very impressed with them and would reccomend them to anyone looking for a good performance tire for cheap. Go thru tirerack.com though since they are the cheapest and shipping was even cheaper then any other place I have visited. Good luck and I would go with a set of 255/50's all around.
Hey Tom91Bird, I Love these tires. I also got them from tirerack.com and I got them for 93 a tire! Awesome price for how well they perform. I was very impressed with them and would reccomend them to anyone looking for a good performance tire for cheap. Go thru tirerack.com though since they are the cheapest and shipping was even cheaper then any other place I have visited. Good luck and I would go with a set of 255/50's all around.
Member
Joined: Jan 2002
Posts: 385
Likes: 0
From: Savannah, GA
Car: 2002 TT Corvette
Engine: 5.7L
Transmission: T56
Block bored .060 over
block decked to zero clearance
crank balanced
heads shaved to 58 cc's
crane cams cam (.5 inch lift)
harland sharp 1.6 ratio full rollers
flowkooler water pump
be cool radiator
new hydraulic roller lifters (comp cams)
clevite main, cam, and rod bearings
new freeze plugs
hivo oil pump
melling pump pickup
chrome oil pan
chrine timing tab
chrome timing cover
chrone fuel pump blockoff
chrome edelbrock TES headers
catco high flow cat
flowtech warlock muffler
keith black hypereutectic pistons
new double roller timing chain
polyurethane motor mounts and trans mount
edelbrock chrome air cleaner
accel super coil
accel 8mm wires
msd cap and rotor
energy suspension polyurethane bushings
kyb gr-2 shocks/struts
zexel-torsen posi w/ stock gears for now
2.02/1.6 valves
tbi 1.5 " spacer
chrome valve covers
chrome radiator cap
chrome oil cap
chrome breather
chrome pcv breather
... more stuff i cant think of.
block decked to zero clearance
crank balanced
heads shaved to 58 cc's
crane cams cam (.5 inch lift)
harland sharp 1.6 ratio full rollers
flowkooler water pump
be cool radiator
new hydraulic roller lifters (comp cams)
clevite main, cam, and rod bearings
new freeze plugs
hivo oil pump
melling pump pickup
chrome oil pan
chrine timing tab
chrome timing cover
chrone fuel pump blockoff
chrome edelbrock TES headers
catco high flow cat
flowtech warlock muffler
keith black hypereutectic pistons
new double roller timing chain
polyurethane motor mounts and trans mount
edelbrock chrome air cleaner
accel super coil
accel 8mm wires
msd cap and rotor
energy suspension polyurethane bushings
kyb gr-2 shocks/struts
zexel-torsen posi w/ stock gears for now
2.02/1.6 valves
tbi 1.5 " spacer
chrome valve covers
chrome radiator cap
chrome oil cap
chrome breather
chrome pcv breather
... more stuff i cant think of.
Senior Member
Joined: Feb 2002
Posts: 532
Likes: 0
From: Tennessee
Car: '89 RS
Engine: 9C1 w/ TPI
Transmission: rebuilt 700R4
PERFORMANCE
Crate 350 9c1 Caprice Police motor (gimme a break, I had an LO3)
Edelbrock Open air breather
K&N filter
Injector spacer
AFPR
Throttle bores shaved
Smog shi+ removed
March underdrive crank pulley
MSD 8.5 conductor wires
B&M shift kit
Hedman shorties
custom Y-pipe
no cat-converter
Flowmaster muffler
Hypertech thermomaster chip
160* powerstat
3 row copper 4 seasons radiator
Auburn posi
Richmond 3.73 gear
Edelbrock RPM intake manifold
SOON.....aluminum driveshaft, TPI, stud girdle, new bushings
LOOKS
New paint...Tuxedo black w/ white stripes
15X8 American racing wheels ( bout to go to 17inches)
White faced gauges
Gt Grant steering wheel
GTO Blackout tailights
tinted windows
New washer bottle
SOON....17 inch wheels (dunno which kind yet), cowl hood, racing seats, new hoodliner
I'm sure i'm 4getting a lot of ****!
Crate 350 9c1 Caprice Police motor (gimme a break, I had an LO3)
Edelbrock Open air breather
K&N filter
Injector spacer
AFPR
Throttle bores shaved
Smog shi+ removed
March underdrive crank pulley
MSD 8.5 conductor wires
B&M shift kit
Hedman shorties
custom Y-pipe
no cat-converter
Flowmaster muffler
Hypertech thermomaster chip
160* powerstat
3 row copper 4 seasons radiator
Auburn posi
Richmond 3.73 gear
Edelbrock RPM intake manifold
SOON.....aluminum driveshaft, TPI, stud girdle, new bushings
LOOKS
New paint...Tuxedo black w/ white stripes
15X8 American racing wheels ( bout to go to 17inches)
White faced gauges
Gt Grant steering wheel
GTO Blackout tailights
tinted windows
New washer bottle
SOON....17 inch wheels (dunno which kind yet), cowl hood, racing seats, new hoodliner
I'm sure i'm 4getting a lot of ****!
Vortec heads, torque tube (its a truck thing), Roller rockers (1.52), Edelbrock cam, 3" exhaust, GM Bowtie TBI intake, Custom Chip, Milodin high volume oil pump, K&N, Double roller timing chain, New TBI 350 Shortblock, balanced and blueprinted crank.
Junior Member
Joined: Nov 2001
Posts: 86
Likes: 0
From: Clearwater, FL, USA
Car: 1991 Pontiac Firebird
Engine: 305 TBI
Transmission: 700R4
The guys listing MSD cap and rotors on the 305 do you have the small cap HEI with the seperate coil? I talked to summit and they said MSD didn't make a cap and rotor for my car.
If you are running the stock small cap HEI with the MSD parts can you give me part #'s ?
If you are running the stock small cap HEI with the MSD parts can you give me part #'s ? Junior Member
Joined: Nov 2001
Posts: 86
Likes: 0
From: Clearwater, FL, USA
Car: 1991 Pontiac Firebird
Engine: 305 TBI
Transmission: 700R4
Thanks CAMAROGUY71. I thought MSD made this stuff for the car, I wonder why the Summit guy told me they didn't. Anyway Thanks Again.
1992 RS
-L69 air intake snorkle welded to stock air cleaner base
-K&N for TBI 350 truck and truck air cleaner lid
-Turbocity injector spacer
-March 2 piece underdrive pulley set
-Hollow cat
-TPI exaust manifolds
-TPI Y-pipe
-Flowmaster cat back w/ '95 Z28 tips
-206/214, 418:426 roller cam
-350 TBI truck intake manifold
-10* base timing advance
-Accel GM super coil
-Borg Warner Select cap & rotor w/ brass contacts
-Taylor Spiro Pro wires
-3.23 posi
-B&M stage II shift kit
-Z28 centifrugal shift governor
-Heavy duty timing set
-Hypertech cool fan swith
-Tranny cooler
-180* stat
-buncha suspension mods incluing wonder bar
-L69 air intake snorkle welded to stock air cleaner base
-K&N for TBI 350 truck and truck air cleaner lid
-Turbocity injector spacer
-March 2 piece underdrive pulley set
-Hollow cat
-TPI exaust manifolds
-TPI Y-pipe
-Flowmaster cat back w/ '95 Z28 tips
-206/214, 418:426 roller cam
-350 TBI truck intake manifold
-10* base timing advance
-Accel GM super coil
-Borg Warner Select cap & rotor w/ brass contacts
-Taylor Spiro Pro wires
-3.23 posi
-B&M stage II shift kit
-Z28 centifrugal shift governor
-Heavy duty timing set
-Hypertech cool fan swith
-Tranny cooler
-180* stat
-buncha suspension mods incluing wonder bar
Last edited by TBIWorks; Feb 27, 2002 at 10:21 AM.
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