TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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Old Sep 13, 2004 | 06:04 PM
  #1  
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++What do you think?++

Hey, sup guy's!! First time on the board

Well I just want to run my setup buy the pro's here and see what you guy's think of my setup

this is going into a 87 s-10 blazer

87 TPI setup

old style 350 block .40 over to a 357
Speed Pro Hyper. 125 dome pistons
Sportsman II heads 76cc should be around 10:1ish comp. ratio
Cam is Comp #12-262-4 Dur is I:218 E:224 Lift I:464 E:470
Painless Harness
Going to get a BBK 54mm T-Body (what u think of these?)
have 24 lb/hr injectors and adjustable FP regulator
700r4 Trans will be fully rebuilt with corvette parts
NEED stall converter what size u think?
going to get a custom prom (from where?)

What will I be looking at for HP and Torque and maybe 1/4 times
dose this look like a pretty good setup? ANY feedback is appreaciated thanks to all who help me out
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Old Sep 13, 2004 | 07:34 PM
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From: Corona
Car: 92 Form, 91 Z28, 89 GTA, 86 Z28
Engine: BP383 vortech, BP383, 5.7 TPI, LG4
Transmission: 4L60e, 700R4, 700R4..
Axle/Gears: 3.27, 2.73
Suggestions:
Edelbrock base manifold,
Larger runners of choice,
If you're on a budget leave the TB for later, otherwise the BBK is fine IMO, but won't give too much hp.
Headers of choice,
2600 RPM stall speed converter of choice (it's not a "stall converter", it's a torque converter with a stall speed of XXXX RPM, even a stock converter has a stall speed - around 1400-1800 RPM - maybe you know this, but it's good to repeat this as often as possible).
TransGo shift kit from http://www.700r4l60e.com/ which is the pro-built site I guess, since it used to be pro-built.net and I got forwarded there.
I'm assuming you are using the 87 MAF style TPI, I'd switch to the $6E bin mask and eliminate the cold start injector - go to the DIY board for learning about that (I started with AUJM (iron heads, more conservative timing than ARAP), but I've tweaked it to be in between the two, and turned the fans on at a cooler temp, turned EGR off, leaned out the power enrichment some (stock is so rich at WOT), etc...). Also, with anything away from stock you are throwing money away with mail order chips - buy a Moates' Autoprom and do it yourself http://www.moates.net/.

Power - should be good
Torque - should be great
quarter - should be much better than stock

You're welcome
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Old Sep 14, 2004 | 09:46 AM
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THanks very much man. I am a Technician so I am good with car's (new stuff at least) Will I do o k with my stock intake? I don't have the money to get a new one yet and want to save up to get a mini ram or somehting like that. also planning on 100 shot just for fun. I am using headers as well. are those autoprogramers good that you are talking about? Easy to use? What u think my 1/4 mile times would be around in a s10 blazer? 13's? with out the nos?

Thanks very much any other suggestions or comments appreaciated thanks!!!
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Old Sep 14, 2004 | 10:09 AM
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From: Everett, WA
Car: 87' IROC
Engine: L98
Transmission: T56
These cars don't use the autoprogrammers, those are OBDII cars ours are OBDI. You have to take the prom (chip) out of the car burn it on your computer and reinstall it. The stock TPI stuff will really hurt but it will still run ok. It would be WELL into the 13s with a thirdgen, i'm not that familiar with s-10 suspension and such but with good tires i would guess you should be in the 13's.
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Old Sep 14, 2004 | 11:48 AM
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From: Bonner Springs, KS
Car: 1995 Corvette
Engine: LT1
Transmission: 6 spd Manual
Axle/Gears: Dana 44, 3:45:1
I think he was referring to the AutoProm or Prominator. Haven't got one yet but am hoping to sometime in the future (realtime tuning rocks )
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Old Sep 14, 2004 | 11:49 AM
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I know it will hurt me but I don't have the $$$ for new intake stuff now. How hard are they to burn new prom's and how do I know what to burn it to? S10's are lighter I think than a 3rd gen. I will also have air bags and a 3 or a 4 link in the rear. I think I might just get my t-body board out by this compony on the net. Anything else?
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Old Sep 14, 2004 | 01:01 PM
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From: Dallas/Fort-Worth
Car: 1988 Camaro IROC-Z
Engine: 350 TPI (L98)
Transmission: T56
Axle/Gears: 9-bolt 3.45
Originally posted by Schony
I know it will hurt me but I don't have the $$$ for new intake stuff now. How hard are they to burn new prom's and how do I know what to burn it to? S10's are lighter I think than a 3rd gen. I will also have air bags and a 3 or a 4 link in the rear. I think I might just get my t-body board out by this compony on the net. Anything else?
I use the autoprom which allows you to romulate (run off the computer and make real-time changes). It's easy to burn your own chips once you get some scans in, check you the DIY PROM section of the board to start learning, they have some great stuff here.

Daniel
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Old Sep 14, 2004 | 02:36 PM
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I will forsure check into that!! DO you guy's think i will still be ok with my stock intake or what? I know it isn't the greatest but will I run ok? I've been thinking of getting my t-body rebuilt what do you guy's think of that? Guna run some 3.73's in the rear also. I should have this thing up and running in the next 2 maybe 3 months. It's been over a year now LoL!!
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Old Sep 14, 2004 | 04:21 PM
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From: Dallas/Fort-Worth
Car: 1988 Camaro IROC-Z
Engine: 350 TPI (L98)
Transmission: T56
Axle/Gears: 9-bolt 3.45
Originally posted by Schony
I will forsure check into that!! DO you guy's think i will still be ok with my stock intake or what? I know it isn't the greatest but will I run ok? I've been thinking of getting my t-body rebuilt what do you guy's think of that? Guna run some 3.73's in the rear also. I should have this thing up and running in the next 2 maybe 3 months. It's been over a year now LoL!!
The 3.73 would work better in a superram or holley stealth ram setup. It will work now, just better in those.

The intake would work for now, but when you can get a different one, I would do it. It's going to be choking pretty quickly with 3.73 gears, it might be better to port our your stock plenum, runners, and manifold to just get a little more air until you can afford the new stuf.
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Old Sep 14, 2004 | 05:03 PM
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Ya, I did do some porting on my runners and plenum (mainly Plenum) What do you guy's think a good rear gear would be? This thing doesn't need to be insane because it is a s10 blazer and it's very small and light. Just want a good street ride to cruze around in! Love your guyes input and help it's greatly appreaciated!!
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Old Sep 16, 2004 | 08:27 AM
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From: Dallas/Fort-Worth
Car: 1988 Camaro IROC-Z
Engine: 350 TPI (L98)
Transmission: T56
Axle/Gears: 9-bolt 3.45
Depends on how much power you think you will be putting to the wheels, or if you will be using slicks, or street slicks.
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Old Sep 16, 2004 | 03:50 PM
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I would probably be just using some good street tires that look good on 18's.
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Old Sep 16, 2004 | 04:39 PM
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From: Dallas/Fort-Worth
Car: 1988 Camaro IROC-Z
Engine: 350 TPI (L98)
Transmission: T56
Axle/Gears: 9-bolt 3.45
In that case, I would just stick with the stock rear until she goes, which if you keep the oil clean and changed on time, it will last a while. This is, of course, only if the rear isn't an open diff. If it is, toss it.
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Old Sep 17, 2004 | 04:52 PM
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I am sure it is a open. I "think" that it is a 7 1/2 or is it a 7 5/8? Anyhow, i have a 95 with a 4.3 5 speed and it as a sweet *** 8.5 rear maybe I could switch them LoL! Oh and I work in a shop so I keep ALL my maitance up to date on EVERYTHING that is very important to the life of a item i think!
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Old Sep 19, 2004 | 07:35 PM
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From: Dallas/Fort-Worth
Car: 1988 Camaro IROC-Z
Engine: 350 TPI (L98)
Transmission: T56
Axle/Gears: 9-bolt 3.45
Originally posted by Schony
I am sure it is a open. I "think" that it is a 7 1/2 or is it a 7 5/8? Anyhow, i have a 95 with a 4.3 5 speed and it as a sweet *** 8.5 rear maybe I could switch them LoL! Oh and I work in a shop so I keep ALL my maitance up to date on EVERYTHING that is very important to the life of a item i think!
This is true.

If it is an open, I would just try to find a good deal on a posi/limited slip system. You will lose a lot of time if you can't get off the line.

Good luck, sounds like it'll run.
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