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Search: Posts Made By: Galaxie500XL
Showing results 1 to 50 of 498
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Forum: Transmissions and Drivetrain
03-28-2023, 09:54 AM
Replies: 6
Views: 548
Posted By Galaxie500XL

Re: 10 Bolt Questions

3.73 is what I was thinking, too, it just took a long time to find one. My son was trying to convince me that a 3.42 would be fine, since the 4th gens came with that, but I pointed out we live in the...
Forum: Transmissions and Drivetrain
03-27-2023, 08:24 AM
Replies: 6
Views: 548
Posted By Galaxie500XL

10 Bolt Questions

I have an ‘88 5.7 TPI IROC, with a swapped T5. I’ve had a T56, freshly rebuilt I’ve hung onto for several years, that needs to be put in, because the T5 is failing.

I’ve waited due to my late...
Forum: Transmissions and Drivetrain
10-23-2022, 01:19 PM
Replies: 3
Views: 456
Posted By Galaxie500XL

Re: What will I need?

Well, good news/bad news….I got the axle. Ring gear shows P/N 22521257, 41/11, so it is a 3.73…but it looks like the posi traction is toast.

From what I’ve gathered, the parts are no longer...
Forum: Transmissions and Drivetrain
10-04-2022, 11:18 AM
Replies: 3
Views: 456
Posted By Galaxie500XL

What will I need?

I have an ‘88 5.7 TPI IROC, I did a T5 swap many years ago.

I have a T56 I bought 5 years ago, and due to my late wife’s illness, it’s been sitting in storage for nearly 4 years now.

Part of...
Forum: Engine/Drivetrain/Suspension Parts for Sale
07-14-2022, 10:46 AM
Replies: 10
Views: 1,295
Posted By Galaxie500XL

Re: 9 bolt rear

Tempting…what brakes work on that?

I have an ‘88 IROC that needs a new rear…what would be needed for me to install that in my car?

I’m assuming I’d have to do something different with the...
Forum: Tech / General Engine
01-18-2022, 05:16 PM
Replies: 8
Views: 591
Posted By Galaxie500XL

Re: Opinion, Please…

I’d like to…bought the polished plenum and runners from eBay…not entirely certain how to go about polishing the throttle body.
Forum: Tech / General Engine
01-18-2022, 09:55 AM
Replies: 8
Views: 591
Posted By Galaxie500XL

Opinion, Please…

https://cimg4.ibsrv.net/gimg/www.thirdgen.org-vbulletin/2000x1504/0af1ad62_c4be_4201_bd8c_e6adc60a0f8c_dacf0aefe4b83de52cdb82024da1a301acf10a86.jpeg
I own an ‘88 5.7 TPI IROC.

For some reason,...
Forum: Suspension and Chassis
08-28-2021, 06:06 PM
Replies: 26
Views: 1,523
Posted By Galaxie500XL

Re: Rear Control Arm Bolts Stuck

That’s exactly the sort of information I needed…LCA’s are easy to do, and pretty cheap.
Forum: Suspension and Chassis
08-27-2021, 09:50 AM
Replies: 26
Views: 1,523
Posted By Galaxie500XL

Re: Rear Control Arm Bolts Stuck

Sofa:

Do I understand correctly that while lower control arm relocation brackets will put an end to wheel hop, there’s a handling penalty?

A good bit of my driving for fun is on challenging...
Forum: TPI
08-26-2021, 11:55 AM
Replies: 12
Views: 943
Posted By Galaxie500XL

Re: Code 34 MAF Issue

That 5v reference signal is critical. Everything is based on that value being constant, because the computer is making decisions based on the voltage difference between that 5v reference signal, and...
Forum: Suspension and Chassis
08-26-2021, 11:30 AM
Replies: 26
Views: 1,523
Posted By Galaxie500XL

Re: Rear Control Arm Bolts Stuck

Well, everything is back in place…BTW, UMI does NOT stock the Panhard rod bolts..the instructions say to reuse the old bolts.

Good news/bad news on the installation of the UMI non-adjustable...
Forum: Suspension and Chassis
08-24-2021, 03:41 PM
Replies: 26
Views: 1,523
Posted By Galaxie500XL

Re: Rear Control Arm Bolts Stuck

A couple of things…

I bought the UMI bolts when I bought the control arms…they’re NOT the exact same size as the originals. The originals were an 18mm head…the replacements are 3/4”.

The...
Forum: Wheels and Tires
08-24-2021, 12:59 PM
Replies: 442
Views: 106,347
Posted By Galaxie500XL

Re: 17x9 IROC wheels coming from Hawks!!!

https://cimg6.ibsrv.net/gimg/www.thirdgen.org-vbulletin/2000x1504/129178ca_0e31_49d8_945d_319985780b15_f8b0fb7b9251a4c5a55d58e4883b33c7de84b845.jpeg


I was working on mine today, and did find a...
Forum: Suspension and Chassis
08-24-2021, 11:16 AM
Replies: 26
Views: 1,523
Posted By Galaxie500XL

Re: Rear Control Arm Bolts Stuck

New stabilizer bar end links installed. The previous owner didn’t even bother with the bottom rubber below the stabilizer bar. 🙄

...
Forum: Suspension and Chassis
08-24-2021, 10:18 AM
Replies: 26
Views: 1,523
Posted By Galaxie500XL

Re: Rear Control Arm Bolts Stuck

Angle grinder for the win!

I didn’t want to chance damaging the mounting surfaces, so I ran the angle grinder through the center of the sleeve inside. Got enough of the bolt cut to allow the bolt...
Forum: Wheels and Tires
08-23-2021, 09:08 AM
Replies: 442
Views: 106,347
Posted By Galaxie500XL

Re: 17x9 IROC wheels coming from Hawks!!!

Well…now that I said that…I’m less certain I’m right…because the BODY of a 4th gen is wider, too.

Sorry…
Forum: Wheels and Tires
08-23-2021, 08:53 AM
Replies: 442
Views: 106,347
Posted By Galaxie500XL

Re: 17x9 IROC wheels coming from Hawks!!!

Well…technically, the backspacing is a bit different than the original wheels for the thirdgen, to accommodate a 9” wheel…

But the 4th gen has a wider rear axle, so these are going to sit a good...
Forum: Suspension and Chassis
08-19-2021, 10:10 PM
Replies: 26
Views: 1,523
Posted By Galaxie500XL

Re: Rear Control Arm Bolts Stuck

I bought brand new bolts along with the control arms…I expected problems, but not this bad.
Forum: Suspension and Chassis
08-18-2021, 03:51 PM
Replies: 26
Views: 1,523
Posted By Galaxie500XL

Re: Rear Control Arm Bolts Stuck

What did you use to cut them?
Forum: Suspension and Chassis
08-18-2021, 01:29 PM
Replies: 26
Views: 1,523
Posted By Galaxie500XL

Rear Control Arm Bolts Stuck

All;

I’ve got some UMI tubular control arms for the rear of my ‘88 IROC.

The problem I’m encountering is the bolts are VERY stuck, apparently rusted inside the bushings.

I’m not too worried...
Forum: Exhaust
08-14-2021, 08:59 AM
Replies: 9
Views: 1,152
Posted By Galaxie500XL

Re: L98 Exhaust Manifold Leak

Wow…I had no idea the machining would be that expensive!

I’ve had several people recommend the Remflex manifold gaskets…I’m going to check those out.
Forum: Exhaust
08-13-2021, 11:32 AM
Replies: 9
Views: 1,152
Posted By Galaxie500XL

Re: L98 Exhaust Manifold Leak

That makes sense…I may take the manifold to a machine shop while it’s back off of the car.
Forum: Exhaust
08-12-2021, 04:01 PM
Replies: 9
Views: 1,152
Posted By Galaxie500XL

Re: L98 Exhaust Manifold Leak

I have a strong suspicion that’s the case…I carefully cleaned the outlets on the heads before I installed the manifolds…didn’t notice anything amiss. The driver’s side is perfectly fine.
Forum: Exhaust
08-12-2021, 09:17 AM
Replies: 9
Views: 1,152
Posted By Galaxie500XL

L98 Exhaust Manifold Leak

All;

I have an ‘88 L98 IROC, pretty much bone stock.

Ever since I’ve owned the car, there’s been an exhaust leak on the passenger side.

The exhaust was a disaster, the exhaust manifolds were...
Forum: Electronics
08-10-2021, 10:24 AM
Replies: 1
Views: 415
Posted By Galaxie500XL

Re: Secondary cooling fan thermal switch wiring

I found it…it sits right above the starter…black wire.

You’ll never find it unless you get under the car. Turned the ignition on, and verified it’s the correct wire by grounding it, and the...
Forum: Electronics
08-10-2021, 10:00 AM
Replies: 1
Views: 415
Posted By Galaxie500XL

Secondary cooling fan thermal switch wiring

‘88 L98 TPI…

The previous owner did a bunch of questionable things, but this one has me stumped.

The secondary fan stopped turning on. This fan is controlled by a thermal switch on the...
Forum: TPI
07-06-2021, 06:54 AM
Replies: 4
Views: 654
Posted By Galaxie500XL

Re: Fuel pressure issues

The problem was the pulsator…lasted less than a month before it failed. Eliminated the pulsator, and now pressures are normal again. The only positive I can report is I now have a nice adjustable...
Forum: TPI
07-06-2021, 06:53 AM
Replies: 5
Views: 883
Posted By Galaxie500XL

Re: Pulsator

Well…I’m converted.

When I replaced the fuel pump, I insisted on also replacing the pulsator. Bought a brand-new pulsator from RockAuto ($27), and all was well for a little over 3 weeks.

Fuel...
Forum: TPI
07-02-2021, 08:10 PM
Replies: 4
Views: 654
Posted By Galaxie500XL

Re: Fuel pressure issues

So..I bought a Holley adjustable fuel pressure regulator…no change. Cranked to the max, I have at best 30 PSI of fuel pressure, and it drops to zero as soon as the pump shuts down.

A real...
Forum: Exhaust
06-29-2021, 11:39 AM
Replies: 6
Views: 1,839
Posted By Galaxie500XL

Re: Stock TPI Exhaust manifold hardware

Perfect…thanks!
Forum: TPI
05-26-2021, 07:31 PM
Replies: 4
Views: 654
Posted By Galaxie500XL

Fuel pressure issues

So…a month ago, I replaced the fuel injectors with new Delphi injectors. A couple of days afterward, the fuel pump died, and I replaced it with a new Delphi fuel pump—I even replaced the sending...
Forum: Exhaust
05-18-2021, 04:15 PM
Replies: 6
Views: 1,839
Posted By Galaxie500XL

Stock TPI Exhaust manifold hardware

All;

The previous owner stuck some oddball exhaust manifolds on my ‘88 L98, and a pitiful tiny and twisted Y-pipe.

I have a set of the original L98 exhaust manifolds I bought from a member here...
Forum: Wheels and Tires
05-07-2021, 07:57 AM
Replies: 442
Views: 106,347
Posted By Galaxie500XL

Re: 17x9 IROC wheels coming from Hawks!!!

They look even better mounted on the car. Took this picture a couple of weeks ago.
...
Forum: Wheels and Tires
05-07-2021, 07:08 AM
Replies: 442
Views: 106,347
Posted By Galaxie500XL

Re: 17x9 IROC wheels coming from Hawks!!!

I bought mine in February..I’ve been happy with the paint.
...
Forum: Body
05-03-2021, 11:21 AM
Replies: 34
Views: 3,562
Posted By Galaxie500XL

re: Fuel Pump "Access Hole" Hack Job

Well, it’s all back together…

But I am disappointed in the Spectra sending unit I installed. The tank is almost completely full, and it’s reading 1/2 on the gauge.
Forum: TPI
04-30-2021, 12:30 PM
Replies: 5
Views: 883
Posted By Galaxie500XL

Re: Pulsator

Precisely the sort of discussion I’d hoped for.

Thanks for the good information.
Forum: TPI
04-30-2021, 10:40 AM
Replies: 5
Views: 883
Posted By Galaxie500XL

Pulsator

So…I’ve been working on my L98, and now the fuel pump has failed.

Saw some interesting stuff, arguing that the pulsator should be eliminated, and frankly, I’m not a fan of eliminating it.

All...
Forum: Body
04-30-2021, 09:10 AM
Replies: 34
Views: 3,562
Posted By Galaxie500XL

re: Fuel Pump "Access Hole" Hack Job

I’m actually surprised…

I used a Dremel with a cutting wheel to cut through the spot welds, to do the least possible damage to the surrounding metal.

Shocked to discover the lines haven’t been...
Forum: Body
04-29-2021, 10:21 PM
Replies: 34
Views: 3,562
Posted By Galaxie500XL

re: Fuel Pump "Access Hole" Hack Job

Very true.

I especially like the compression fitting you have on the outlet. Much more secure than a rubber hose, and a clamp.

I’m replacing everything in the tank except the lock...
Forum: Body
04-29-2021, 10:33 AM
Replies: 34
Views: 3,562
Posted By Galaxie500XL

re: Fuel Pump "Access Hole" Hack Job

Well, the one “positive” is the hole is so large, I shouldn’t have any issue pulling the fuel pump out from up top. I’m replacing the fuel sender at the same time, so if they’re hacked the lines,...
Forum: Body
04-29-2021, 08:58 AM
Replies: 34
Views: 3,562
Posted By Galaxie500XL

Fuel Pump "Access Hole" Hack Job

So…the fuel pump is failing in my ‘88 IROC-Z. Been reading the debate between whether to cut an access panel to be able to replace the fuel pump from up top, or do it the right way, and drop the...
Forum: Tech / General Engine
04-27-2021, 04:38 PM
Replies: 25
Views: 888
Posted By Galaxie500XL

Re: Motor Mount Question

I see the confusion now....I didn’t reuse the rubber motor mounts, just the metal.

I had brand new GM mounts I installed...I’ve had them for nearly 3 years, but due to my late wife’s illness, I...
Forum: Tech / General Engine
04-27-2021, 01:11 PM
Replies: 25
Views: 888
Posted By Galaxie500XL

Re: Motor Mount Question

No, OEM replacement motor mounts. Polyurethane mounts seem to cause about as many issues as they resolve. The only urethane I’ve installed in my ‘88 is a urethane torque arm bushing.

As far as...
Forum: Tech / General Engine
04-27-2021, 10:49 AM
Replies: 25
Views: 888
Posted By Galaxie500XL

Re: Motor Mount Question

Got all 3 bolts back in the crossmember. Lots of extensions, the electrical tape, and a 15mm Craftsman shallow universal socket, with a long 15mm closed end wrench on the motor mount side means the...
Forum: Tech / General Engine
04-27-2021, 09:47 AM
Replies: 25
Views: 888
Posted By Galaxie500XL

Re: Motor Mount Question

I got the bolt out whole. I was under the impression the nut that runs through the mount was tack welded to the clamshell, but I’m not seeing evidence of that.

It looks like what the problem was...
Forum: Tech / General Engine
04-27-2021, 09:12 AM
Replies: 25
Views: 888
Posted By Galaxie500XL

Re: Motor Mount Question

Well, I got lucky. Put a large wrench on the nut, to hold it still, and was able to remove the nut. The bolt is FREE.

So, that leads to a couple of questions....

Do I remove the engine mount...
Forum: Tech / General Engine
04-27-2021, 08:49 AM
Replies: 25
Views: 888
Posted By Galaxie500XL

Re: Motor Mount Question

Well, it’s gone from bad to worse.

I let it sit overnight. Got up, while I was feeling my best, and put all the force I could muster.

Heard a satisfying “pop”. Started cranking on it, and...
Forum: Tech / General Engine
04-26-2021, 09:52 PM
Replies: 25
Views: 888
Posted By Galaxie500XL

Re: Motor Mount Question

I let that big bolt soak for several hours...still can’t get it to budge.

...and to think, I was only worried about the 3 PITA bolts.
Forum: Tech / General Engine
04-26-2021, 05:33 PM
Replies: 25
Views: 888
Posted By Galaxie500XL

Re: Motor Mount Question

Both of mine are pointing toward the back. I’ve been soaking them in penetrating oil for awhile..so far, even my impact wrench hasn’t budged it.
Forum: Tech / General Engine
04-26-2021, 03:50 PM
Replies: 25
Views: 888
Posted By Galaxie500XL

Re: Motor Mount Question

So...i managed to get the 3 bolts off.

Now, the large bolt holding the two halves together won’t budge. The bolt heads are pointed to the REAR of the mounts...I was under the impression the heads...
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