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Search: Posts Made By: GMTech
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Forum: Firebirds for Sale
06-21-2009, 11:27 AM
Replies: 5
Views: 2,331
Posted By GMTech

Re: 1991 Trans Am WS6 convertible F/S

Locted near Charlotte, all are welcome to test drive.
Forum: Firebirds for Sale
06-16-2009, 01:37 PM
Replies: 5
Views: 2,331
Posted By GMTech

Re: 1991 Trans Am WS6 convertible F/S

Its a really good looking car!
Forum: Firebirds for Sale
06-14-2009, 03:34 PM
Replies: 5
Views: 2,331
Posted By GMTech

Re: 1991 Trans Am WS6 convertible F/S

more:
Forum: Firebirds for Sale
06-14-2009, 03:30 PM
Replies: 5
Views: 2,331
Posted By GMTech

Re: 1991 Trans Am WS6 convertible F/S

OK, thanks for the heads up. Here are some larger pictures:
Forum: Firebirds for Sale
06-13-2009, 10:03 AM
Replies: 5
Views: 2,331
Posted By GMTech

1991 Trans Am WS6 convertible F/S

1991 Trans Am convertible w/ WS6 package. I don't need to explain how rare or how nice these cars are, if you have been to this website for any amount of time you already know.
Has a Red Tintcoat...
Forum: Engine/Drivetrain/Suspension Parts for Sale
08-21-2008, 07:34 PM
Replies: 15
Views: 843
Posted By GMTech

Re: Pro Built 10" lock up 700R4/4L60 converter

I had it my car as a daily driver. I don't know what it will go up to if you powerbrake it, stall can be relative to engine output. Its noticabley looser than stock, but once the converter locks...
Forum: Engine/Drivetrain/Suspension Parts for Sale
08-21-2008, 06:38 PM
Replies: 15
Views: 843
Posted By GMTech

Re: Pro Built 10" lock up 700R4/4L60 converter

Good day!
I am the original owner of this torque converter. I purchased this converter from Dana @ ProBuilt back when he was a distributor of A.C.T. converters.

I purchased it as a 2800...
Forum: LTX and LSX
07-04-2008, 03:28 PM
Replies: 7
Views: 963
Posted By GMTech

Re: LS1 Conversion

I went LS1 and never regretted it. Definitely the way to go, IMHO.
Forum: Engine Swap
10-14-2007, 04:55 PM
Replies: 4
Views: 2,477
Posted By GMTech

Re: Engine Swap 92 Buick LeSabre 5.7L to 86 Z28 Camaro 5.0L

The longblock is pretty much "plug and play", however the center intake manifold bolts are angled differently, which will require you to modifiy those bolt holes in the intake (assuming you are...
Forum: LTX and LSX
10-14-2007, 04:44 PM
Replies: 10
Views: 11,482
Posted By GMTech

Re: LS1 temp sensor

I used the LS1 sensor (1998 Camaro) thats 3-wire. Please note that if you use this sensor, the resistance range is slightly off from the thirdgen sensor, so what I did, is, verifiying with a...
Forum: LTX and LSX
08-09-2007, 07:24 PM
Replies: 9
Views: 793
Posted By GMTech

Re: Has anybody installed longtubes AFTER the swap?

The side I thought would be easy, was the most difficult. To do the passenger side, I ended up removing the starter, jacking up the motor, etc....

The drivers side, despite the clutch line, brake...
Forum: Engine Swap
08-09-2007, 07:19 PM
Replies: 10
Views: 1,311
Posted By GMTech

Re: Looking for Swap Advice...LT1, LS1, BBC, 350 Crate, L98, 5.3?

Why not both? You can find decent blades for cheap, and it gives you something to ride when the thirdgen is down for "mods". I get 42 MPG on my CBR and no matter what I do to my cars, I'm not...
Forum: LTX and LSX
08-06-2007, 08:16 PM
Replies: 9
Views: 793
Posted By GMTech

Re: Has anybody installed longtubes AFTER the swap?

Both sides???

I was going to start it tonight, but got backed up at work. Hopefully tomarrow.
Forum: LTX and LSX
08-04-2007, 07:32 PM
Replies: 2
Views: 742
Posted By GMTech

Re: Lt1 wont crank...

Does your VATS system work at all? There is a relay behind the drivers kick panel area, that relay is the start inhibit relay. Splice the two large wires together and that will disable VATS control...
Forum: LTX and LSX
08-04-2007, 07:27 PM
Replies: 10
Views: 1,418
Posted By GMTech

Re: lt1 engine surge

Has this thing been tuned? The larger engine is going to need more fuel and the higher compression will need different spark tables. The cam will also effect it.

Is this Speed Density or MAF?
Forum: LTX and LSX
08-04-2007, 08:51 AM
Replies: 9
Views: 793
Posted By GMTech

Has anybody installed longtubes AFTER the swap?

I put an LS1/T56 in a few years ago, back before Longtubes were available for thirdgenLSX cars. I finally got around to picking some up from Hawks and wondered how easy it would be with the motor...
Forum: Tech / General Engine
07-29-2007, 08:30 PM
Replies: 7
Views: 8,208
Posted By GMTech

Re: igntion coil not grounded?

If that strap is there, then verify that the ground wire (black) is plugged into the distributor, and that its actually grounded to block/body. I know you said you tried an external ground, but for...
Forum: TPI
07-29-2007, 06:00 PM
Replies: 9
Views: 506
Posted By GMTech

Re: search for egr is giving error..... help

1989 should still have the EGR temp sensor screwed into the base of the EGR valve. Did you transfer it over to the new valve? Is it plugged in? Check all of your vacuum lines, make sure you have...
Forum: Tech / General Engine
07-29-2007, 05:40 PM
Replies: 7
Views: 8,208
Posted By GMTech

Re: igntion coil not grounded?

It sounds as though you are refering to a coil-in-cap setup. If thats the case, make sure that the ground strap is not missing. It installs into the distributor cap (often thrown away during...
Forum: Engine Swap
01-26-2006, 07:23 PM
Replies: 14
Views: 3,241
Posted By GMTech

If you wanted to split hairs, the CPI ceased in...

If you wanted to split hairs, the CPI ceased in 1995 due to OBD-II, in which CSFI replaced CPI. Only difference was sequential fuel injection, which is still used on the 4.3's. TBI was not the ONLY...
Forum: TPI
11-17-2005, 08:29 PM
Replies: 11
Views: 1,167
Posted By GMTech

I concur. WOT disables Closed Loop operation,...

I concur. WOT disables Closed Loop operation, but positive fuel trims (anything above 128) are factored in to prevent engine damage.
Forum: TPI
10-22-2005, 07:25 PM
Replies: 2
Views: 467
Posted By GMTech

Shouldn't matter, its just a thermistor (variable...

Shouldn't matter, its just a thermistor (variable resistor based on temperature).
Forum: TPI
10-21-2005, 07:27 PM
Replies: 7
Views: 10,425
Posted By GMTech

I agree, you got the wrong coil wire, which would...

I agree, you got the wrong coil wire, which would explain your issues.
Forum: TPI
10-19-2005, 03:42 PM
Replies: 3
Views: 1,438
Posted By GMTech

Thats on the ECM side of the harness with the...

Thats on the ECM side of the harness with the sensor unplugged? If so, borrow another ECM and re-measure. If its not within a few millivolts of 450, then the ECM or circuit is bad.
Forum: TPI
10-18-2005, 06:18 PM
Replies: 3
Views: 1,438
Posted By GMTech

Code 13 usually indicates a fault with the sensor...

Code 13 usually indicates a fault with the sensor or sensor circuit. If it was running lean, typically a code 44 will set.

With the Key On and Engine Off, unplug the Oxygen Sensor connector and...
Forum: TPI
10-18-2005, 06:13 PM
Replies: 3
Views: 865
Posted By GMTech

I would have to say that you either got the wrong...

I would have to say that you either got the wrong TPS, its installed incorrectly, or its bad. You are correct in the sense that its operating backwards. It should indicate 0% with the gas pedal...
Forum: TPI
10-17-2005, 05:32 PM
Replies: 3
Views: 865
Posted By GMTech

What does the TPS read if you start the car...

What does the TPS read if you start the car (without hitting the gas)? If the TPS was really showing 100% during crank, the car would not start (it would go into Clear Flood Mode).

As far as the...
Forum: LTX and LSX
10-16-2005, 11:59 AM
Replies: 1
Views: 2,046
Posted By GMTech

Just about everything needed to do a SBC -> LS1...

Just about everything needed to do a SBC -> LS1 swap is the same as a V6 -> V8 swap, so you probably won't gain any advantage from purchasing a V8 donor car. You still need an LS1 transmission, LS1...
Forum: TPI
10-15-2005, 09:44 AM
Replies: 7
Views: 1,156
Posted By GMTech

Carbed versions used a Ported Vacuum source to...

Carbed versions used a Ported Vacuum source to signal the Canister Control Valve. Ported Vacuum is vacuum off idle. The port sits above the throttle plate so that there is no vacuum when idleing. ...
Forum: TPI
10-14-2005, 08:41 PM
Replies: 5
Views: 715
Posted By GMTech

I need an '87 5.7L sticker, got one?

I need an '87 5.7L sticker, got one?
Forum: LTX and LSX
10-13-2005, 06:34 PM
Replies: 23
Views: 8,375
Posted By GMTech

Sometimes the easiest answer is the hardest to...

Sometimes the easiest answer is the hardest to find. I may go and do that.
Forum: TPI
10-10-2005, 04:12 PM
Replies: 16
Views: 1,193
Posted By GMTech

I didn't see anybody posting to flame you. My...

I didn't see anybody posting to flame you. My post was simply geared to the fact that you failed to mention any diagnostic steps that you performed, which leaves anybody trying to help you with no...
Forum: TPI
10-09-2005, 03:18 PM
Replies: 12
Views: 791
Posted By GMTech

If I had to guess, I would bet injectors leaking....

If I had to guess, I would bet injectors leaking. Not only is it a common issue, but would make sense. On a cold start, the engine needs extra fuel, so its fine. Once warmed up, the car goes into...
Forum: TPI
10-09-2005, 03:13 PM
Replies: 1
Views: 635
Posted By GMTech

When it acts up, check the fuel pressure. If you...

When it acts up, check the fuel pressure. If you have ample pressure, then its probably not the pump.

Also, when it acts up, do an exhuast backpressure test. Sounds like the exhaust (catalytic...
Forum: TPI
10-09-2005, 03:11 PM
Replies: 16
Views: 1,193
Posted By GMTech

For petes sake, stop throwing parts at the car...

For petes sake, stop throwing parts at the car and do some diagnostics!

If you think its not getting spark, then check for it!

If you think it might be a VATS problem, learn how the system...
Forum: TPI
10-06-2005, 07:48 PM
Replies: 5
Views: 1,042
Posted By GMTech

Sounds like your referring to Decel Fuel Cut Off....

Sounds like your referring to Decel Fuel Cut Off. When decelerating, the ECM greatly reduces injector pulsewidth (sometimes completely off). Its normal.
Forum: TPI
10-02-2005, 06:57 PM
Replies: 10
Views: 525
Posted By GMTech

I'm not sure on what you mean by "pull". Usually...

I'm not sure on what you mean by "pull". Usually "pull" has two meanings. Either the engine starts making more power in which the "engine pulls harder" or the alignment is off in which the "car...
Forum: TPI
10-02-2005, 06:53 PM
Replies: 3
Views: 519
Posted By GMTech

Yes, it just sits there open. The point is, if...

Yes, it just sits there open. The point is, if your doing diagnostics of either the pump, or fuel system (injector balance test), you can put a fused 12V source to that connector and it will operate...
Forum: Engine Swap
10-02-2005, 12:10 PM
Replies: 3
Views: 485
Posted By GMTech

A wise man once said: "Powerful, Reliable,...

A wise man once said:

"Powerful, Reliable, Inexpensive. Pick two".

Like TexasLT1 said, its an open ended question. What are your goals and your budget?
Forum: TPI
10-02-2005, 10:46 AM
Replies: 2
Views: 855
Posted By GMTech

The injectors don't appear to spray much because...

The injectors don't appear to spray much because they are "batch fired". Batch fired injectors are pulsed every Distributer pulse signal, which on a V6, is 3 per crank revolution. So you can see,...
Forum: TPI
10-02-2005, 08:09 AM
Replies: 8
Views: 706
Posted By GMTech

If you let in too much air, only for it to find a...

If you let in too much air, only for it to find a restriction further down the line, turbulence is created and velocity takes a dump.
Forum: TPI
10-02-2005, 08:00 AM
Replies: 7
Views: 10,425
Posted By GMTech

Have you tried swapping the wire around? Put the...

Have you tried swapping the wire around? Put the coil end on the distributer and the distributer end on the coil? Is the boot fully seating? I have had one that I had to trim the bottom of the...
Forum: TPI
10-02-2005, 07:48 AM
Replies: 3
Views: 519
Posted By GMTech

The orange wire "should" be the underhood light...

The orange wire "should" be the underhood light feed and the red wire I'm assuming should be the fuel pump test connector. My '91 TPI doesn't have either in that corner, just the timing connector.
Forum: TPI
10-01-2005, 05:05 PM
Replies: 5
Views: 544
Posted By GMTech

What was the diagnosis on the injector the first...

What was the diagnosis on the injector the first time? Was it just not spraying fuel, or was it sticking open?

It "could" be a wiring issue, but I'd tend to look elsewhere first, because these...
Forum: LTX and LSX
09-18-2005, 06:12 PM
Replies: 13
Views: 931
Posted By GMTech

Check the fuel pressure, especially when its...

Check the fuel pressure, especially when its acting up. Is it a stock TPI fuel pump?
Forum: TPI
09-13-2005, 01:44 PM
Replies: 4
Views: 419
Posted By GMTech

If you replace the vacuum line going to the...

If you replace the vacuum line going to the regulator with a clear piece of vacuum line, you'll be able to see if its leaking or not. My guess would be an injector stuck open, flooding the cylinder....
Forum: LTX and LSX
09-11-2005, 03:48 PM
Replies: 6
Views: 649
Posted By GMTech

You shouldn't need to change your fuel pump, and...

You shouldn't need to change your fuel pump, and gears are not mandatory.
Forum: LTX and LSX
09-11-2005, 03:46 PM
Replies: 10
Views: 8,828
Posted By GMTech

Its the Tachometer that won't work right. The...

Its the Tachometer that won't work right. The speedo is a 4,000 Pulse Per Mile signal, which is what the PCM outputs, so it will work wired straight to the thirdgen speedo, but like Klortho said, if...
Forum: LTX and LSX
09-10-2005, 06:31 PM
Replies: 10
Views: 8,828
Posted By GMTech

The '92 speedo uses the 4,000 pulses per mile, so...

The '92 speedo uses the 4,000 pulses per mile, so you can wire it straight to the computer.
Forum: TPI
09-09-2005, 10:00 PM
Replies: 33
Views: 751
Posted By GMTech

How are you getting 80 lbs? You should not see...

How are you getting 80 lbs? You should not see that unless you pinch off the return line.
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