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Search: Posts Made By: 87_gta
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Forum: Tech / General Engine
06-19-2020, 12:19 AM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Problem solved!

Decided to start adjusting the timing today to get it closer to where it was, rather than the factory spec I put it to while diagnosing this issue.

Adjusted timing to 10 degrees...
Forum: Tech / General Engine
06-08-2020, 08:09 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Hi,

No I did not check the pickup coil and ICM. About 4 years ago tho I did replace the entire distributor assembly with new AC Delco unit. (I realize the parts could still be bad). I will probe...
Forum: Tech / General Engine
06-08-2020, 11:29 AM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Another update,

After checking and or replacing all the things in my last post. I decided today to check the ignition coil. Resistance in the coil is within spec. I also cheeked my fuel injectors...
Forum: Tech / General Engine
06-04-2020, 06:14 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Another update to this.

Swapped fuel filter and decided to double check IAC and TPS and performed adjustment again.(used scan tool to set TPS) Also double checked TV cable as well.

Car is...
Forum: Tech / General Engine
06-04-2020, 12:47 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Hi,

The differential was done mid summer last year. I have a thread on here with pictures of the build and parts used.

Issue only started when car came out of storage.

I have the fuel filter...
Forum: Tech / General Engine
06-01-2020, 02:30 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Hello All,

So I do finally have update to this. Been busy with other things lately.

I did install new cap and rotor. The old cap and rotor had wear marks on the tabs. Car runs better than...
Forum: Tech / General Engine
05-02-2020, 05:23 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Ok so I have an update.

Got the wires installed. No change.

Drove with scan tool some more and found that I was able to get the misfire regardless of TCC on or off.

I am going to pull the...
Forum: Tech / General Engine
04-26-2020, 08:26 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Thanks for the reply on the scan data.

As for programming I have a custom PROM that TPIS made for me when I purchased the mini ram. I gave them all the specs for the bottom end of my engine (and...
Forum: Tech / General Engine
04-23-2020, 11:03 AM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Good day,

Spark plug wires will be here tomorrow. I did find that the wires are not gripping the plugs as good as I would like. I have Taylor 8mm wires coming (is what is currently on the car)
...
Forum: Tech / General Engine
04-22-2020, 09:29 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Hello,
So I finally have an update to this.

So far I have gotten a snap on scanner and have driven the car a fair amount with the scanner.

First before I start I have replaced all the spark...
Forum: Tech / General Engine
04-12-2020, 12:11 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Decided to pull another spark plug today. Just because. Here is a close up of it.

It's definitely due for replacement.

Thoughts on how it looks....
Forum: Tech / General Engine
04-11-2020, 04:02 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

So small update.

I will be getting my hands on a snap on brick scan tool later this week so hopefully that will shed more light on things.

Also went to a drive in the car today. As usual car...
Forum: Tech / General Engine
04-09-2020, 02:03 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Thanks for the reply,

I have no EGR Valve with the Mini-Ram, I have the TPIS prom that deletes the EGR but the TSB I found #91-149-6E: SERVICE ENGINE SOON LIGHT POSSIBLE FALSE CODE 32 which does...
Forum: Tech / General Engine
04-08-2020, 11:03 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

I do agree that I need to get my hands on a proper scan tool to see live data while this is happening. Check 02, MAF, TCC operation and such.

Admittedly I do have access to a snap on scan tool...
Forum: Tech / General Engine
04-08-2020, 06:29 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Thanks for the info about the tcc. I will read through this.

In terms of the dyno tuning. No I have not done this but I do have the PROM that TPIS suggested. I gave them a full list of mods that...
Forum: Tech / General Engine
04-08-2020, 03:49 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Another thing I just thought of.

My speedo is not correct at the moment. I have 3.70 rear gear and have not yet had the speedo adjusted. Could this affect anything? its off by about 10 KM/H.
Forum: Tech / General Engine
04-08-2020, 02:49 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Thanks for the reply,

I have disconnected the tcc at the brake switch. There was a change in the sense that the issue became less pronounced. But it still did it.

Ill check out that link.
...
Forum: Tech / General Engine
04-08-2020, 10:31 AM
Replies: 33
Views: 3,751
Posted By 87_gta

Re: Odd chugging at 1500 RPM under light throttle. Felt only in OD

Just want to add some more info for what I have checked on the car since finding this issue.

- checked idle settings, TPS and IAC. Performed adjustment because TPS needed it. No change.
-reset...
Forum: Tech / General Engine
04-07-2020, 11:38 PM
Replies: 33
Views: 3,751
Posted By 87_gta

Odd chugging at 1500 RPM under light throttle. Felt only in OD

Good Day,

Have an odd problem with the IROC.....

Just getting the car ready for summer and getting on odd chugging type thing going on when car is in OD mostly, It will also do it in D but not...
Forum: Transmissions and Drivetrain
07-19-2019, 06:49 AM
Replies: 7
Views: 5,998
Posted By 87_gta

Re: UPGRADED 9BOLT TO TORSEN STYLE POSI TLVL

It was a good upgrade and I thank the ones that did it before me.

Part numbers that I used were:

SupaFSpares: TLVL
Ratach kit : 332K (got this from Hawks)
Motive gear 3.70 ratio: MG-GM9-370...
Forum: Transmissions and Drivetrain
07-17-2019, 08:23 AM
Replies: 7
Views: 5,998
Posted By 87_gta

UPGRADED 9BOLT TO TORSEN STYLE POSI TLVL

Good Day,

I just wanted to post my experience with the POSI upgrade that I had done to my old 9 bolt rear.

Like a few others have done here namely KeyKey and GeneralDisorder. I decided to order...
Forum: Transmissions and Drivetrain
06-08-2019, 05:05 AM
Replies: 4
Views: 3,387
Posted By 87_gta

Re: 3.73 or 4.10 Rear gear with 18x10.5 rear tires

It's an auto 700R4.
Forum: Transmissions and Drivetrain
06-06-2019, 02:42 PM
Replies: 4
Views: 3,387
Posted By 87_gta

3.73 or 4.10 Rear gear with 18x10.5 rear tires

Good day,

Looking for some thoughts.

I am wanting to change the rear gear ratio on my IROC. Currently have a fourth gen rear installed.

Rear tires are 18x10.5 (285/35/18) and the wheel/tire...
Forum: Suspension and Chassis
07-01-2017, 08:41 AM
Replies: 5
Views: 792
Posted By 87_gta

Re: Rear strut mount bump stops or re-locate

86 TA any pictures of where you re-located the bump stops to. I see on my car where they could potentially go but it would appear I would need to move a brake line to make this work.

Thanks
Forum: Suspension and Chassis
06-29-2017, 05:57 AM
Replies: 5
Views: 792
Posted By 87_gta

Re: Rear strut mount bump stops or re-locate

Thanks for the reply.

I have seen those. Do you know if they would fit on a KYB silver strut?

I cut the bump stop for the same reason 83 crossfire ta. My vette wheels 10.5 in rear were hitting...
Forum: Suspension and Chassis
06-28-2017, 06:10 AM
Replies: 5
Views: 792
Posted By 87_gta

Re: Rear strut mount bump stops or re-locate

Thank you for the reply. Do you have any pictures of this?
Forum: Suspension and Chassis
06-27-2017, 11:23 PM
Replies: 5
Views: 792
Posted By 87_gta

Rear strut mount bump stops or re-locate

Hello.

Looking for some help with rear bump stops. First I will say my factory rear bump stops are gone. Brackets gone as well. (In retrospect wish I had not done this)

Reason for this is for...
Forum: Transmissions and Drivetrain
06-11-2017, 10:20 PM
Replies: 26
Views: 17,310
Posted By 87_gta

Re: Rear end upgrade/replacement. Need opinions please

Hello,

Figured I would bring back this thread.

I have recently ran into a few rear end issues. I would appreciate some opinions.

My vette wheels tires were recently damaged to the point...
Forum: Suspension and Chassis
05-11-2017, 12:11 PM
Replies: 8
Views: 905
Posted By 87_gta

Re: Rear suspension help ( I have used search)

Question.

Since I have pro-kit springs all around. If I change out the rear springs that are soft. Should I be changing the front?

thanks.
Forum: Suspension and Chassis
05-10-2017, 05:06 PM
Replies: 8
Views: 905
Posted By 87_gta

Re: Rear suspension help ( I have used search)

Thanks for the input.

do you think as a temp solution the factory rear springs that I have or something similar would work?

I plan on doing something with bump stops. Any suggestions on where I...
Forum: Suspension and Chassis
05-10-2017, 06:10 AM
Replies: 8
Views: 905
Posted By 87_gta

Re: Rear suspension help ( I have used search)

Thanks for the reply.

Pro kit springs all around with KYB "silver" struts. Their not that old however I am able to push the rear end down a lot on my own. The front not not so much, very stiff. I...
Forum: Suspension and Chassis
05-09-2017, 09:40 PM
Replies: 8
Views: 905
Posted By 87_gta

Rear suspension help ( I have used search)

Hello,

I have a question in regards to rear suspension. (i use "search" a lot).

I have an issue with rubbing my rear tires on fender lip.Car has pro-kit springs and KYB struts. I do have Vette...
Forum: Transmissions and Drivetrain
06-11-2016, 10:40 PM
Replies: 26
Views: 17,310
Posted By 87_gta

Re: Rear end upgrade/replacement. Need opinions please

Hello,

I figured I would give an update.

Forth gen rear is installed. The fitment is bang on with my vette wheels.

Haven't driven the car much yet but it definitely feels better with the new...
Forum: Transmissions and Drivetrain
05-23-2016, 10:30 PM
Replies: 26
Views: 17,310
Posted By 87_gta

Re: Rear end upgrade/replacement. Need opinions please

Hello,

I got backing plates for my 02 rear. The backing plates have holes for sensors.

Since I don't need the sensors. What could I do to cover the holes.

Thanks.
Forum: Transmissions and Drivetrain
05-07-2016, 12:33 PM
Replies: 26
Views: 17,310
Posted By 87_gta

Re: Rear end upgrade/replacement. Need opinions please

Ok that's sounds good. They are pretty cheap so I will order one.

Lastly I should be good with fitment of my vette rims with the 02 rear?

Or should I use 1/4 inch spacers?

Thanks
Forum: Transmissions and Drivetrain
05-06-2016, 04:57 AM
Replies: 26
Views: 17,310
Posted By 87_gta

Re: Rear end upgrade/replacement. Need opinions please

Thanks for your reply.

That's a good point about the panhard bar. From my extensive use of the "search" feature I have seen some who do use an adjustable one and some that do not use that.

Is...
Forum: Transmissions and Drivetrain
05-05-2016, 07:15 AM
Replies: 26
Views: 17,310
Posted By 87_gta

Re: Rear end upgrade/replacement. Need opinions please

Hello,

Thought I would give an update on this.

After much thought I have decided to convert the rear end to a 10 bolt I acquired out of a 02 Camaro. The rear is a 3 series carrier with 3.42...
Forum: Auto Detailing and Appearance
03-26-2016, 02:13 PM
Replies: 12
Views: 3,778
Posted By 87_gta

Re: black hood on a dark red iroc

After much thought i am going to try and color match. I found a reputable place that has a color camera. Once i get the car out of storage i'm going to go by there and see how close i can match the...
Forum: Auto Detailing and Appearance
03-11-2016, 04:28 PM
Replies: 12
Views: 3,778
Posted By 87_gta

Re: black hood on a dark red iroc

I spoke to some local body shops and they all told me they would have to blend the paint to the fenders bumper etc..

I did get good prices for black paint however.

If I paint black. Should I...
Forum: Auto Detailing and Appearance
03-05-2016, 05:45 PM
Replies: 12
Views: 3,778
Posted By 87_gta

Re: black hood on a dark red iroc

Hey,

Good idea about checking paint samples for imports.

I admit I am curious about trying the black hood. I seen pictures of bright red irocs with black hoods but not one with my color.

I...
Forum: Transmissions and Drivetrain
03-05-2016, 05:38 PM
Replies: 26
Views: 17,310
Posted By 87_gta

Re: Rear end upgrade/replacement. Need opinions please

Hey,

All true points. Power wise its not too crazy. My mechanic has a machine shop on site. I should be safe with the 9 bolt as long as it's in good shape.

Appriciate the opinions. Keep em...
Forum: Auto Detailing and Appearance
03-04-2016, 09:20 PM
Replies: 12
Views: 3,778
Posted By 87_gta

black hood on a dark red iroc

Hello,

Looking for thoughts on this...(i have used the "search" feature on this extensively)

I just picked up a used hood from an 85 Iroc to go on my 87.

The hood on my Iroc was damaged by...
Forum: Transmissions and Drivetrain
03-04-2016, 08:43 PM
Replies: 26
Views: 17,310
Posted By 87_gta

Re: Rear end upgrade/replacement. Need opinions please

I spoke with my mechanic he feels confident that he can rebuild my 9 bolt even without the cones.

I can get every part needed ring and pinion bearings etc..

Is it worth it without new cones?
Forum: Transmissions and Drivetrain
02-28-2016, 05:18 PM
Replies: 26
Views: 17,310
Posted By 87_gta

Re: Rear end upgrade/replacement. Need opinions please

I read that post. Definitely good work on that one. I dont have the know how to do that myself. It's a good option to keep in mind assuming my mechanic will do that.

Any other thoughts?:thanks:
Forum: Transmissions and Drivetrain
02-28-2016, 10:39 AM
Replies: 26
Views: 17,310
Posted By 87_gta

Re: Rear end upgrade/replacement. Need opinions please

That's what i'm worried about. I don't want to spend money on parts (ring gear, pinion, bearing etc) and then find that ohh the cones are worn. I figure the cones must be worn considering the age of...
Forum: Transmissions and Drivetrain
02-28-2016, 08:39 AM
Replies: 26
Views: 17,310
Posted By 87_gta

Re: Rear end upgrade/replacement. Need opinions please

Both thoughts are true. I checked out randys and I don't see the cones as part of their overhaul kit. Are the cones something that usually wear out drastically?
Forum: Transmissions and Drivetrain
02-27-2016, 06:54 PM
Replies: 26
Views: 17,310
Posted By 87_gta

Rear end upgrade/replacement. Need opinions please

Hello,

I'm thinking about upgrading the rear end in my 87 Iroc. Currently it is a Factory 9 bolt BW axle with 3.23 gears (G92).

I have been using the search feature extensively before posting....
Forum: Electronics
04-26-2015, 02:20 PM
Replies: 23
Views: 15,695
Posted By 87_gta

Re: 3rd brake light dont work

Hello,

Went and picked up a new brake light switch and go figure. Everything works now!

Thanks for the tip.

Cheers,
Forum: Electronics
04-25-2015, 07:57 PM
Replies: 23
Views: 15,695
Posted By 87_gta

Re: 3rd brake light dont work

Thanks for the reply.

The way your described the troubleshooting makes it seem like the switch.

I'll try that tomorrow and report back.
Forum: Electronics
04-25-2015, 05:50 PM
Replies: 23
Views: 15,695
Posted By 87_gta

Re: 3rd brake light dont work....help

Hello,

I had the chance to do more work on the car today and what i eventually found was very odd...at least to me.

When i check for 12v at the lamp connector its good 12V.

when i connect a...
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