LT1-LT4 Modifications 1993-97 Gen II Small Block V8

new to the lt 1 game

Old Feb 24, 2010 | 11:19 PM
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Default new to the lt 1 game

i just bought a 93 z28 with an lt1 it runs strong but like everyone else i want more i have pstr lt and ory pipe and trickflow cold air comin for it to install this weekend where else do you get power from on these cars no heads or cam yet tho money a lil tight any advice will help a lot
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Old Feb 24, 2010 | 11:45 PM
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We need so much more info for the car... Manual or Automatic?

Your budget and mileage on the car will also help us in this quest. Did you try a search?
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Old Feb 24, 2010 | 11:55 PM
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so sorry new to the forum thing to the odometer says 147 but its been unpluged for no tellin how long its an auto (700r4 i think but dont really know) also another quick ? is when i put the new lts on and take all the smog syuff off will that effect with the running of the car other than that i dont know what other information about the car would be helpfull any questions feel fre to ask
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Old Feb 24, 2010 | 11:55 PM
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budget is about 500
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Old Feb 25, 2010 | 12:00 AM
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Do you have a new catback on it also? I would personally buy new ac delco o2's or something of those likes

You can take off the air/egr stuff. I would recommend sending in your PCM to pcm4less, Ion, or SpeedInc (what I did) and having them delete the rear o2's, air, egr codes. Just tell whichever place your mods and what you are doing. Thats around ~$150ish. Spend the other $350 on o2's, plugs, and wires and call it a day for now
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Old Feb 25, 2010 | 12:08 AM
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With that much money you could get cold air intake system ($200), and a cheap catback system ($350).
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Old Feb 25, 2010 | 12:14 AM
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I would do a combo of what they said.

Find a used, Cheap catback. Get a used CAI, and send the ecu in for a tune.
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Old Feb 25, 2010 | 12:27 AM
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Nitrous
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Old Feb 25, 2010 | 12:41 AM
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Is that your answer for everything??? Lol


I am pretty sure everytime this sort of question is asked, your answer remains unchanged..

"Nitrous"
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Old Feb 25, 2010 | 01:40 AM
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Originally Posted by marc97taws6
I would recommend sending in your PCM to pcm4less, Ion, or SpeedInc (what I did) and having them delete the rear o2's, air, egr codes.
It's a 93, they use chips for the computer and have no rear o2's.
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Old Feb 25, 2010 | 01:55 AM
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Originally Posted by bleakdragonmage
Is that your answer for everything??? Lol


I am pretty sure everytime this sort of question is asked, your answer remains unchanged..

"Nitrous"
Yes..
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Old Feb 25, 2010 | 02:02 AM
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06Hemi, since you're new to the lt1 you should know that you've got one of the oddball years for lt1s. No mass air flow, bank fire injection (not sequential), 700r4/4L60 (not a 4L60E) and more than likely you have a 3.23 gear ratio(check the codes in your glove box), and they are the lightest of all the 4th gens. Do yourself a favor and check out speeddensity.org so you can get some better insight on 92-93 specific LTX stuff.

To be honest with you, mods to start out with that will give you the most seat of the pants feel, get a mail-order chip from PCMforless.com along with one of their 160* thermostats, Pacesetter LTs and Y pipe with a good cat-back, find some 94+ factory injectors from someone on this site(93 f body has 22#,94+ has 24#) or use the 24# ford racing injectors(flow about 25#-26# on a chevy 43.5psi system), pick up a set of aftermarket rear control arms (lakewood makes a pretty inexpensive set), put on a cold air intake, and the biggest one where you'll feel the most(for now) is check out Probuilt Automatics at 700r4l60e.com and pick up one of their TransGo Shift kits (just call and talk to Dana).

I understand all that is more than $500, but just do it little by little. These would be the best places to start, and you should be able to get some of this stuff used for cheap.
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Old Feb 25, 2010 | 02:08 AM
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I suggest a good intake, and free up the exhaust some. and make sure to have some money aside for any issues that may arise..and trust me..its always something..
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Old Feb 25, 2010 | 02:24 AM
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first off...we need pics of yur car! let see that thing...haha

second off there is a list of basic bolt ons in the stickys in this sections...they include Headback exhaust, underdrive pully's, a cold air intake, 1.6 RR's...these things will get your car into the low 13 range...
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Old Feb 25, 2010 | 04:34 PM
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i was in the same boat new owner. first i did fre mods throtle body bypass 160 stat descrened maf but your 93 the best bang i got was lpacesetter long tube headers and off foad pipe no air pump egr. with thad done i went from 14.2 to mid 13s rolling out the clutch on street tires. after that just save money for heads and cam.
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Old Feb 25, 2010 | 04:43 PM
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PCM tune, Sub frame connectors. are the two mods i would do aside what you have planned.
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Old Feb 25, 2010 | 06:41 PM
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man thanks i put a k&n cold air on it this afternoon and the passetter longtubes and off road y pipe are in the car goin to put them on this week end ............ the only reason i even bought the car is because i live in greenwood ms. and everybody has mustangs and i got tired of of hearin them talk
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Old Feb 25, 2010 | 06:59 PM
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Originally Posted by gregrob
Nitrous
If you want to blow it up, granted these blocks can take it, but something's gonna break.
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Old Feb 25, 2010 | 07:52 PM
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Originally Posted by Johnny-LT1-runner
If you want to blow it up, granted these blocks can take it, but something's gonna break.
It's not 1970...nitrous has been used safely on thousands of LT1 cars without any issues, nitrous has come a LONG way...RPM's kills motors, not HP. With a correct setup, there's no reason an internally stock LT1 powered car couldnt run up to a 150hp shot safely...

the general rule of thumb is on a stock motor you can run 50%ish the factory HP rating...
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Old Feb 25, 2010 | 08:16 PM
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i just posted some of my numbers at ltxtech. I have gained over 50 rwhp and 38 RWTQ with basic bolt ons. I have bought mainly used stuff to save money. I have a 1993 6 speed (M29), 3.23 rear car. The bolt ons are as follows:
- Pacesetter non EGR Long Tube headers (AIR and EGR deleted from car)
- 3 inch ORY (no cats)
- Borla cat back
- Electric Cutout
- March Underdrive kit
- Tb Bypass
- Ram Air (Ultra-Z hood and box, no real gains on a dyno over a good Cold Air Intake)
- 52mm BBK TB
-PCM for Less mail order (now tweaked) tune
I also did the following
- Good Tune up (good wires/plugs and fuel filter)
-MSD Opti, Coil, and 6al box
- Synthetic Oil
The "engine" bolt-ons have run me a bit over 500 bucks over the years, but not more than a grand so far. I did do SFC's, LCA's with relocation brackets, Adj Panhard, Eibach Pro Kit, and a STB for the hell of it, and that ran over 500 bucks. I have not run at the track since adding the ram air / bigger TB and exhaust. Proir to that with the basic bolt ons, stock exhaust and a 275/17 Drag Radial i clicked off a 13.2 103 with a crappy 2.1 60'. Not fast by any stretch compared to some cars on here, but bone stock i could not break under 14.3. Definatly checkout speeddensity.org. 1993's are different and need some unique parts. n2o will give you best bang for the buck, but to do it "safely" you will spend more than 500 bucks for sure. I gave up spraying motors a long time ago.
Good luck with it man!
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