This is just for fun but what is the best tpi mod you have done? Could be engine mod, suspension, drivetrain...

 

just for fun huh... i have quite a few mods... take a look.. i think its my hobby...

ENGINE MODS......
fresh 355 bored .30 over 4 Bolt Main Vortec Block
10243880 Gm cast Block
Blueprinted Performance build ( bored with thrust plates)
9.7 to 1 Compression
Milodon Main Cap Bolts
Eagle 5140 Forged Steel "SIR" Lightweight Connecting Rods
ARP Rod Bolts
Eagle 4340 Forged steel crank
Upgraded Clevite 77 H Bearings
Kieth Black Hypereutectic -12cc dished pistons
dura-bond hi performance coated cam bearings
Pioneer heavy duty brass freeze plugs
Internally Balanced Eagle rotating assembly (rated at 650 horsepower)
LS7 Lifters
Heavy duty flywheel
New harmonic balancer
LT1 mini Starter
Highflow radiator
High flow water Pump
ARP headbolts
Rebuilt L98 heads with manely springs, retainers, screw in studs
SA performance double timing chain
GM LT4 HOT Cam

218/228 .492"/.492" 112 LSA

Comp Cams 1.5 roller tip rockers


INDUCTION/FUEL DELIVERY MODS.....
FIRST Injection TPI unit (300cfm stock)
73mm mono-blade throttle body
Aeromotive Adjustable fuel Pressure regulator
Custom Fuel Lines
SLP's CAI with K&N air filter and SLP's special modded intake hoses
IAT relocated to SLP CAI box
180 thermostat
Hypertech 4028 200/185 degree fan switch
SVO 24lb Injectors
Heated O2 sensor

OIL SYSTEM MODS.....
Melling 10553 Oil pump
hardned pick up
L98 Oil Pan

Gauges
stock gauges with white face gauges
blue led gauge lights
Autometer trasnsmission temp gauge

SUSPENSION/CHASSIS MODS......
WS6+ suspension
aggressive street alignment (vetrucks specs)
Kuhmo Ecsta Ast 245/50/16 tires 30psi
Spohn Front end rebuild kit with poly tie rods
UMI Adjustable Strut mounts
KYB GR-2 Front struts
KYB Gas-a-just rear shocks
Eibach Pro-kit lowering springs
Heater hose spring mod
36mm front sway bar with poly bushings
24mm rear sway bar with poly bushings
Stock painted A arms poly bushings and poly ball joints
new poly front and rear sway bar endlinks
Front K-member Braces
UMI Steering Brace
BMR Strut Tower brace
BMR weld in outer subframe connectors
Alstons weld in Inner subframe connectors
BMR non adjust Torque arm with poly bushing
Edelbrock On car Adjustable panhard bar poly bushings
J & M Street non adjust Lower Control Arms
Founder Performance lower Control arm relocation Brackets

Transmission Mods........
Pro-Built 700R4 (rated at 600 hp)
corvette stall
Pan drilled for autometer temp gauge
B&M Shift Kit
Corvette Servo
tranny poly mount
Tranny cooler

Rear End mods.........
9 Bolt Borq warner 3.27 Gears
aluminum driveshaft
Neapco brute force u-Joints

EXHUAST MODS......
Hedman longtube Street headers
Custom 3" y-pipe
Catco highflow Gutted converter
Flowmasters 80’s series 3.5 inch catback

IGNITION MODS......
New distributor
MSD 8.5 super conductor wires
accel Super coil

EXTERIOR MODS.....
83 trans am Powerbulge cowl hood with carbon fiber locking pins
aftermarket hood insulator
20 percent window tint all around
Factory aluminum louvers
black Gta emblem swap
blacked out tailights all around


INTERIOR MODS......
New Headliner
New carpet
redone GTA bucket seats with trans am stitched in headrest
redone rear seats
usa speed Beechwood floor mats with gold bird and trans am stitched in
redone sunvisors and side speaker covers
power to manual door conversion
Grant black 773 steering wheel with ponitac horn button
Dash pad cover with gold bird emblem stitched in
olive ash Dash kit with painted black dash and console
white face gauges with blue led lightning
blue led floor lights
Magellan GPS mounted on dash
ipod holder mounted on dash to connect to HD radio
white face HVAC with red led lighthing
ashtray delete coin holder conversion
red shift indicator led conversion
camaro Z28 auto leather shift ****
new black leather shift boot


SOUND SYSTEM MODS:
Kenwood MP242 HD radio with dash kit
new factory replacement speakers
custom sub box with 12" infinity subwoofer
800 watt amp with blue lightning


MISC MODS.......
150lb weight reduction
tuned by PCMforless
rev limiter set at 5500rpms
New belt Tenisoner and pulley
AC delete pulley
New delco Alternator
Throttlebody Bypass delete
Oil Cooler delete
diverter valve delete
cruise control Delete
Washer fluid Delete
Cold Start Delete
Cat Delete
AC delete
EGR delete
Heater valve delete
Air delete
smog delete
Vats

 

Wow lots of mods i bet thats a really fun street car

 

of those which one was the best for you?

 

thanks this started out as just only flowmasters to make it sound better but then it slowly snowbaledl into basically a street/strip car.... i say the best things were the suspension mods.... with more power its hard to keep it all to the ground and it just feels like poo without some sort of frame connectors and poly bushings.. the tubular pieces and bushing really made the car feel way different... my car feels like a go cart because its so stiff... my suspension is done... i just want to get a set of afr heads and a vigilante 2800 and my hotrod days for this car is about done... only thing left would be paint/body work for shows....

 

Oh ok so suspensions youd say about first before anything else. Also not to get off topic but i bet your car is really quick from 0-60.

 

yea if i had to do it all over again i would start with suspension mods first.. that way you have a good chassis and foundation to build upon..... but yeah it was quick from 0 to 60 about 4.5 seconds when i stalled the converter which at the time i had a 10inch 3000 stall converter.... should be quicker when i install my FIRST injection tpi system...

 

Wow pretty quick then im also building up a 350 for my z28 but im gonna keep stock tpi unless i find some as&m runners at a good deal

 

what is the HEATER HOSE SPRING MOD?

 

its when you take the rear hard rubber isolators that the springs are on top of.... take a piece of heater hose and cut it and slip it through one coil on each spring then install spring... it lowers the car about a half an inch... the isolators are there so the springs wont have metal to metal contact with the body but they are big and make the car sit taller... alot of people do it when lowering their car..

 

Suspension mods first is right, after exhaust....you will love the go kart feeling you get when you tighten up everything on these cars....

 

I agree suspension is a must! I changed out my stock sagging springs for some moog springs that I cut to get the ride height I wanted and its like abother car. Can't wait to get some subframe connectors and all new bushings under it this winter.

 

can you do something like that to the front? beside cutting the spring..lol

 

you will love your connectors...I swear my car freaks me out when I drive it...It is such a joy...I don't have any hi dollars pieces in it, but it was all thought out pretty well...The only thing I do not have is a shock tower brace, and I am waiting till after the new motor goes in to put one in the car...

 

Hat sfcs are you running? I've seen some people run two diff sets also. Mines going down to replace the caved in oil pan put some headers on it custom fabed y pipe and maybe a cam that I can pick up from a friend but sfcs are a must along with a wonderbar and maybe a strut bar.

 

Hothkis..(will never buy again) I had to custom fit my y pipe also...Had to have a welding shop fab it up, as it was 4 inches, or more too long towards the passenger side of the car....Wonder bar is nice...Cant believe they all did not come with that...The funnest thing I ever added to my 89 was the stall...Like a different car, and I love the sound of riding the stall..I know it heats the tranny up, but thats why ive got a tranny cooler the size of Texas..lol....

 

Yes a stall is a lot of fun! I went from a stock stall to a 9.5in 3500 in my 82 trans am and it felt like I gained 100hp lol

 

Seeing a thread similar to this on tech, one member said and I am sure I will feel the same way when I get one. It went something like this.

A stall. Because it made all my other mods that much better.

 

After I'm thinkg some more seems like mod list shoud go suspension/chassis full exhaust gears/stall (if auto).

 

That is a disgustingly awesome list of mods. I probably want to carry about 90% of those in to my GTA someday. Lol

 

How hard is that mod? Was your ride any less bumpy after?

 

Car will not ride less bumpy after. Everything is the same, but the spacer is removed from the top of the spring so the body will sit a little lower to the ground.

It's very easy to do. Jack the car up, unbolt the lower shock mounts, and the springs and upper spacers will fall out. Put rubber heater hose on the top 3/4 turn of the coil to isolate the spring from the body.

 

what size heater hose do you use? and how much lower does the car get? about an inch ?

 

I forget, it might be 1/2", but just to be safe, 5/8" will be o.k. Use cable ties to hold it on the spring.

Won't lower the rear an inch, but most likely a 1/2". Not bad for almost free.

 

CAM, HSR, HEADS a must from day one

 

My best mod was subframe connectors. Really made a big difference in how the car handled. After doing suspension mods to improve the ride, brakes are next on the list followed by performance mods. Pumping up the horsepower without improving the **** poor 3rdGen brakes is a recipe for desaster.

 

You 3rd gen owners can't be serious!!! Suspension first??? Do you like getting spanked by almost every car like. grand AM's and such... I had every suspension mod inclueding wonder bar, sub frame connectors.. great mod... But engine MODS.. are # 1 priorty...

 

Most stock cars nowadays are faster than most stock 3rd gens and I'm ok with that. Don't get me wrong I love a fast thirdgen but I want it to be fun to drive in and out of traffic and have fun on backroads. If you start to make more power and the car was setup for a 200hp motor your gona spin spin spin lol. My cam stalled 305 in my 82 will kill the tires from a 30 roll and all the suspension and chassis was bone stock.

 

That is a massive list!!! I have a 91 z28 TPI 350, the previous owner bored out .30 over, flow master and put 42lb injectors in it but its still not enough power for me. I'm thinking about pulling the motor and rebuilding it with some performance enhacements, my only concern is I live in california and we have smog ****'s here. Do you have any suggestion on what would give me a good kick but still keep me smog legal? A lot of people say cam but they dont have any advice on what one.

 

First thing you need to do is take out those 42lbs injectors and put the stock 22lb back in. That will increase your performance. You dont need them and the chip is not burned for them.

Get a set of Dyno Dons dual cat headers. Thats all you need for now. Later on down the road save up your money to buy heads, cam, and all the intake parts that you will need.

 

Yeah start with the headers they wake it up a lot and 42 Ib injectors, The guy before you had it supercharged or something cause those are huge! If you wanna sell them tell me how much I maybe interested in them!!!

 

42Ib injectors on a na engine can supply over 500 hp! if you arent using it, your losing it

 

Start with a full exhaust. I ran a 14.8@93 stock. Then I ran a 14.04@98 with hooker 2055 headers, 3" y pipe. 3" cat back and a afpr. Still had the 2.77's in the car. I was so close to 13's with a 2.77 rear and bolt ons. I only got 3 runs in. Then I started the h/c/I swap.

 

I ran 13.6 @ 103 with SLP 1 3/4 dual cats and 3in cat back Maxiflow Hooker exhaust and no other bolt on with 3.23 gears.