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Search: Posts Made By: 72LT1VETTE
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Forum: DFI and ECM
10-27-2009, 02:56 PM
Replies: 5
Views: 1,242
Posted By 72LT1VETTE

Re: Gen 6 working on IBM thinkpad41(win XP) is it in DOS?

You'll have to play with the port speed. I reccommend buying a serial PCM card instead of trying USB. Simpler to change speeds on.
Forum: TPI
10-27-2009, 09:29 AM
Replies: 5
Views: 788
Posted By 72LT1VETTE

Re: TPI intakes

All you have to do is slot the 2 center holes on both sides
Forum: DFI and ECM
10-27-2009, 09:17 AM
Replies: 7
Views: 1,593
Posted By 72LT1VETTE

Re: Anyone willing to help an Accel DFI newb get his feet wet?

I had to put heat shields on my spark plug wires to keep from burning. What is the cause for this?
Forum: DFI and ECM
10-27-2009, 08:46 AM
Replies: 5
Views: 1,242
Posted By 72LT1VETTE

Re: Gen 6 working on IBM thinkpad41(win XP) is it in DOS?

All computers are capable of running most dos software.
Forum: DFI and ECM
10-27-2009, 08:27 AM
Replies: 6
Views: 1,471
Posted By 72LT1VETTE

Re: ecm identification ?

I know the 87 unit uses mass air sensor. Most 91 models were speed density. If so, they will not interchange. You can usually get a 91 model 122730 off ebay for a few bucks
Forum: TPI
03-27-2008, 02:32 PM
Replies: 112
Views: 27,276
Posted By 72LT1VETTE

Re: What causes an engine to "search" for an idle rpm?

You posted earlier that you started the car and within a few inutes just as the temp gauge started to move the idle droped to around 650 and began to hunt. There is a temp sensor in the head for the...
Forum: TPI
07-31-2005, 12:04 AM
Replies: 7
Views: 577
Posted By 72LT1VETTE

ACTUALLY IT IS SOCKET HEAD CAP SCREW

ACTUALLY IT IS SOCKET HEAD CAP SCREW
Forum: TPI
07-30-2005, 11:59 PM
Replies: 3
Views: 546
Posted By 72LT1VETTE

Here u go ECM drawing...

Here u go ECM drawing (http://www.diy-efi.org/gmecm/ecm_info/) Find yours and look at the picks
Forum: TPI
07-30-2005, 11:19 PM
Replies: 31
Views: 25,388
Posted By 72LT1VETTE

Go to the link. Find your ECM and associated...

Go to the link. Find your ECM and associated drawingsECM drawings (http://www.diy-efi.org/gmecm/ecm_info/)
Forum: TPI
01-20-2005, 01:50 PM
Replies: 1
Views: 430
Posted By 72LT1VETTE

730 ECM pin #'s ???

No junk yards around me have any harness parts left. Anyone know the GM part number for the pins that go into the plugs on the ECM. I need to connect 2 more accessories and heve no spare pins.
Forum: Electronics
01-19-2005, 08:03 PM
Replies: 10
Views: 916
Posted By 72LT1VETTE

Why not let the ECM control the fuel pump and...

Why not let the ECM control the fuel pump and fans with an over ride switch for the fans? Is there a master relay for the 12 volt feed to the relay bank or is it straight from the battery. Makes no...
Forum: Cooling
01-19-2005, 07:43 PM
Replies: 6
Views: 477
Posted By 72LT1VETTE

If the sensor is bad the car would never go into...

If the sensor is bad the car would never go into closed loop. Try turning on the AC (if equiped) a fan should come on. If not check that the relays for the fans are clicking on. If not, turn on the...
Forum: TPI
01-16-2005, 09:03 PM
Replies: 14
Views: 1,218
Posted By 72LT1VETTE

Go to this link. www.diy-efi.org/gmecm/ecm_info ...

Go to this link. www.diy-efi.org/gmecm/ecm_info You'll find schematics for most all years.
Forum: TPI
01-16-2005, 07:05 PM
Replies: 3
Views: 393
Posted By 72LT1VETTE

Thanx, I got the pin numbers from www.diy----....

Thanx, I got the pin numbers from www.diy----. What I really need are a few of the pin connectors to connect the relay coils to the ECM plug. Where can I get those pins?
Forum: TPI
01-16-2005, 05:42 PM
Replies: 3
Views: 393
Posted By 72LT1VETTE

ECM parts

4 years ago I bought a complete TPI (730 ECM) built for my 1972 Corvette. At that time I left the engine driven fan in place. Well last week I ordered a new radiator complete with electric fans. I...
Forum: TPI
09-05-2004, 07:02 PM
Replies: 6
Views: 785
Posted By 72LT1VETTE

HE ASKED FOR DETAILED DRAWINGS, NOTHING MORE....

HE ASKED FOR DETAILED DRAWINGS, NOTHING MORE. NEVER SAID ANYTHING ABOUT A PROBLEM. ONLY ASKED FOR DRAWINGS. CAN'T GET MUCH MORE DETAILED THAN THOSE!
Forum: TPI
09-04-2004, 11:23 PM
Replies: 6
Views: 785
Posted By 72LT1VETTE

Try this ECM drawings...

Try this ECM drawings (http://www.diy-efi.org/gmecm/ecm_info/) you'll find everything from mid 80's through early 90's. You can save and/or print every page.
Forum: TPI
09-04-2004, 11:16 PM
Replies: 24
Views: 20,726
Posted By 72LT1VETTE

I have ran Platinum +4's ever since I converted...

I have ran Platinum +4's ever since I converted to TPI. Have had no problems at all. By the way "Saturn" should only be used here to describe the glow of oil rings shimmering in the glow of the ...
Forum: TPI
09-04-2004, 10:51 PM
Replies: 10
Views: 624
Posted By 72LT1VETTE

The "com" on your meter is for common, plug the...

The "com" on your meter is for common, plug the black lead into it and then connect the end of the probe to the negative post on the battery or any other part of the metal frame. Plug the red meter...
Forum: TPI
09-04-2004, 10:36 PM
Replies: 12
Views: 814
Posted By 72LT1VETTE

Your signature says you have a remote started...

Your signature says you have a remote started system. Have you tried it? Does it work?
Forum: TPI
09-04-2004, 10:32 PM
Replies: 2
Views: 461
Posted By 72LT1VETTE

Go here, maybe you'll find some help ECM drawings...

Go here, maybe you'll find some help ECM drawings (http://www.diy-efi.org/gmecm/ecm_info/)
Forum: TPI
07-10-2004, 09:20 PM
Replies: 12
Views: 4,430
Posted By 72LT1VETTE

By crank pulley, I assume you are talking about...

By crank pulley, I assume you are talking about the harmonic balancer. It is made of 1 metal hub with a metel ring around it with a thin rubber devider. This is what absorbs the vibrations created by...
Forum: TPI
05-19-2004, 09:05 PM
Replies: 13
Views: 864
Posted By 72LT1VETTE

There is not a placement hole in the block nor...

There is not a placement hole in the block nor does the cam have a gear to drive the distributor. Nor is there an oil pump shaft. The engine design prevents SNAFU.
Forum: TPI
05-18-2004, 10:04 PM
Replies: 13
Views: 864
Posted By 72LT1VETTE

DID ANYONE READ WHAT THE GUY ASKED? HE WANTS TO...

DID ANYONE READ WHAT THE GUY ASKED? HE WANTS TO RUN AN LT1 CRATE ENGINE WITH A TPI ECM. NOT JUST THE LT1 INTAKE... I M PO S S I B L E
Forum: TPI
05-17-2004, 11:31 PM
Replies: 13
Views: 864
Posted By 72LT1VETTE

As S10WILDSIDE said. The entire ECM is different...

As S10WILDSIDE said. The entire ECM is different as well as the engine. The cumputer gets pulses from an "Optispark" crank trigger to fire each injector as the piston begins to travel up on the...
Forum: TPI
05-17-2004, 11:05 PM
Replies: 3
Views: 646
Posted By 72LT1VETTE

Your title block says "Can't get TPI to Idle"...

Your title block says "Can't get TPI to Idle" then you say you can't get it to fire. Which is right? Very meaningful to the help you may get.
Forum: TPI
05-17-2004, 11:00 PM
Replies: 77
Views: 2,902
Posted By 72LT1VETTE

You will have 12 volts on both wires when you...

You will have 12 volts on both wires when you turn on the key. The injector drivers pull one side to ground to fire the injectors. Check all grounding wires, especially the black wire attached...
Forum: TPI
05-16-2004, 09:53 PM
Replies: 15
Views: 908
Posted By 72LT1VETTE

Smoke in a spray can. Normally used by heating...

Smoke in a spray can. Normally used by heating and AC repairmen. Spray slowly around intake while watching the exhaust and smoke flow trail. NON-EXPLOSIVE as gas or propane and sparks.
Forum: TPI
05-16-2004, 09:41 PM
Replies: 20
Views: 1,370
Posted By 72LT1VETTE

Hey Formula5.7, Did you use the 1205 or 1204...

Hey Formula5.7, Did you use the 1205 or 1204 gasket? You say you used Loctite putty. Was that to widen the LT1 flange thickness, or just stick'em in there and torque it down?
Forum: TPI
05-15-2004, 11:06 PM
Replies: 20
Views: 1,370
Posted By 72LT1VETTE

As the man said, he has an L98. This engine uses...

As the man said, he has an L98. This engine uses the center ports from the heads for EGR vapor flow. The LT1 intake flange is very narrow in this area and will not completely cover the old EGR ports....
Forum: TPI
05-15-2004, 10:53 PM
Replies: 15
Views: 908
Posted By 72LT1VETTE

Re: BINGO!! got it!help PLEASE new heads and intake,now it wont idle now i am lost

Sometimes "artificial enrichment" just don't work as good as the old smoke injection test.
Forum: TPI
05-15-2004, 10:38 PM
Replies: 8
Views: 1,384
Posted By 72LT1VETTE

Go to this link, maybe it will help. IAC and TPS...

Go to this link, maybe it will help. IAC and TPS Adjustment (https://www.thirdgen.org/newdesign/tech/tpimod2.shtml)
Forum: TPI
04-29-2004, 10:41 PM
Replies: 5
Views: 815
Posted By 72LT1VETTE

You Want Air? Check These Runners

Saw this on Ebay tonight. Awesome, but kinda pricy.FIRST INJECTION.COM (http://www.firstinjections.com/Prom377.htm) Saw it here first.EBAY AUCTION...
Forum: TPI
04-27-2004, 10:02 PM
Replies: 24
Views: 868
Posted By 72LT1VETTE

I wouldn't complain too much about a couple of...

I wouldn't complain too much about a couple of cosmetic dimples. Those look great compared to most and for $350 bucks. Usually a complete unit with all electronics and harness can be over a $1000. By...
Forum: TPI
04-27-2004, 09:46 PM
Replies: 5
Views: 549
Posted By 72LT1VETTE

Connect a timing light and see what the timing is...

Connect a timing light and see what the timing is doing when you accelerate. Could be distributor problem.
Forum: TPI
04-27-2004, 09:41 PM
Replies: 7
Views: 497
Posted By 72LT1VETTE

Try crimping the return fuel line momentarily...

Try crimping the return fuel line momentarily with a pair of pliers. Fuel pressure should go to the maximum for your pump. If pressure goes high, the diaphram in the FPR is probably shot. If no...
Forum: TPI
04-27-2004, 09:31 PM
Replies: 6
Views: 459
Posted By 72LT1VETTE

The IAC air flows up through the throttle body....

The IAC air flows up through the throttle body. The hole on the TPI intake is for EGR air. Normally not neede when converting older vehicles to TPI operation.
Forum: TPI
04-10-2004, 08:35 PM
Replies: 5
Views: 474
Posted By 72LT1VETTE

Go to this link GM-ECM drawings...

Go to this link GM-ECM drawings (http://www.diy-efi.org/gmecm/) Best I can find anywhere. Covers all 3rd GENS
Forum: TPI
04-10-2004, 08:24 PM
Replies: 1
Views: 2,376
Posted By 72LT1VETTE

Go to this link GM-ECM drawings...

Go to this link GM-ECM drawings (http://www.diy-efi.org/gmecm/) . All the info you need is there.
Forum: TPI
04-10-2004, 07:52 PM
Replies: 1
Views: 637
Posted By 72LT1VETTE

If you look on the side of the pump normally it...

If you look on the side of the pump normally it will read "Walbro" sold thru Autozone as Master
Forum: TPI
03-01-2004, 04:04 PM
Replies: 14
Views: 2,227
Posted By 72LT1VETTE

The housing is pretty much a shelf item at most...

The housing is pretty much a shelf item at most Pep Boys stores.
Forum: TPI
02-26-2004, 10:55 PM
Replies: 22
Views: 1,216
Posted By 72LT1VETTE

Great idea John, but I already have mine powder...

Great idea John, but I already have mine powder coated. I may try it anyway. The washer will cover the scars.
Forum: TPI
02-25-2004, 09:55 PM
Replies: 22
Views: 1,216
Posted By 72LT1VETTE

You can buy or make angled flat washers in...

You can buy or make angled flat washers in aluminum, stainless or steel from most GOOD hardware stores.
Forum: TPI
02-24-2004, 09:28 PM
Replies: 9
Views: 1,207
Posted By 72LT1VETTE

CHECK THIS SIG

CHECK THIS SIG
Forum: TPI
02-24-2004, 09:23 PM
Replies: 8
Views: 688
Posted By 72LT1VETTE

15-20 seconds = closed loop operation. First,...

15-20 seconds = closed loop operation. First, clean the IAC unit. If problem persist, get a code checker (around $30 at Auto Zone a& others)could also be MAP or O2 sensor. These are ignored during...
Forum: TPI
02-24-2004, 08:49 PM
Replies: 6
Views: 787
Posted By 72LT1VETTE

With the speed density unit you will also need a...

With the speed density unit you will also need a "knock snesor" and an inline speed pickup module to send the speed pulses to the ECM. This module mounts onto the speedo gear at the transmission. I...
Forum: TPI
12-24-2003, 12:30 AM
Replies: 9
Views: 441
Posted By 72LT1VETTE

Check for vacuum leaks.

Check for vacuum leaks.
Forum: TPI
12-24-2003, 12:23 AM
Replies: 10
Views: 1,135
Posted By 72LT1VETTE

Earlier plenums got EGR air through the small...

Earlier plenums got EGR air through the small tube on the runners from I believe the drivers side runner. Later year plenums have a hole at bottom of TB for EGR air. Can use any TB for either, just...
Forum: DIY PROM
12-15-2003, 07:26 PM
Replies: 244
Views: 30,945
Posted By 72LT1VETTE

Hey Craig, Think there is any way to incorporate...

Hey Craig, Think there is any way to incorporate some type of position trigger, wiring mods, and outputs for sequential firing of the injectors? Maybe another project during evolution? HaHa GREAT...
Forum: TPI
12-12-2003, 11:57 PM
Replies: 1
Views: 440
Posted By 72LT1VETTE

94-97 LT1 ECM to 3rd CAR?

Can it be made to work? Would think that the higher speed processor would improve many issues.
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