Search: Posts Made By: AGFNTB
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09-19-2020, 06:43 PM
Replies: 21
Views: 5,831
Posted By AGFNTB

The voltage fluctuation will continue as long as...

The voltage fluctuation will continue as long as the car is at idle. We had it idling for at least 20 minutes the other day while my buddy was running his tests and the graph above just kept going...
09-18-2020, 05:37 PM
Replies: 21
Views: 5,831
Posted By AGFNTB

Sorry. I did try with my friends battery and got...

Sorry. I did try with my friends battery and got the same results: Mechamn = voltage fluctuations, Duralast = voltage stable.
09-18-2020, 03:52 PM
Replies: 21
Views: 5,831
Posted By AGFNTB

I think I may have to just give up. I am fairly...

I think I may have to just give up. I am fairly sure the voltage fluctuations have something to do with the internals of the Mechman alternator triggering something in the car, but I do not know...
09-09-2020, 06:23 PM
Replies: 21
Views: 5,831
Posted By AGFNTB

The readings are all using my Fluke multimeter. I...

The readings are all using my Fluke multimeter. I only included the images from the OBDII scanner so show the wild fluctuations.

It has exhibited this same voltage fluctuation behavior with the...
09-07-2020, 07:50 PM
Replies: 21
Views: 5,831
Posted By AGFNTB

Mechman sent me the 250 amp unit as a replacement...

Mechman sent me the 250 amp unit as a replacement for the 170 amp repaired unit after testing could not determine an issue with the car. But the voltage fluctuation issue occurred with both the...
09-07-2020, 07:47 PM
Replies: 21
Views: 5,831
Posted By AGFNTB

I did replace the belt with a new belt (since I...

I did replace the belt with a new belt (since I was putting in the new 250 amp unit). All pulleys look good. Tensioner seems to be functioning fine.

This issue is really driving me nuts.
09-07-2020, 05:14 PM
Replies: 21
Views: 5,831
Posted By AGFNTB

Voltage fluctuation with Mechman alternator

First, let me say that I do not believe it is an issue with the Mechman alternator. Both Mechman and forum vendor RKT Performance have gone above and beyond top notch customer service to help with my...
12-10-2019, 02:45 PM
Replies: 1,768
Views: 555,398
Posted By AGFNTB

Another Thank You to Vintagegas & Densonavi for...

Another Thank You to Vintagegas & Densonavi for the fix. My 2008 is now corrected thanks to your efforts. Much appreciated!
05-04-2019, 04:21 PM
Replies: 1,768
Views: 555,398
Posted By AGFNTB

My battery was disconnected for a few days to...

My battery was disconnected for a few days to change my starter and now I have the clock issue. It was scary to find so many C6s with the "broken starter" stud like mine, and now this clock issue...
05-03-2019, 02:27 PM
Replies: 3
Views: 605
Posted By AGFNTB

Anyone have a pic of the starter wiring...

Anyone have a pic of the starter wiring configuration with the starter installed? I am concerned at how close that wire is to the cat. I may just put a non-conductive spark plug sleeve round the wire...
05-02-2019, 10:50 AM
Replies: 3
Views: 605
Posted By AGFNTB

Should starter fusible link have a heat sleeve?

I am replacing the starter in my 08 and notice all of the wires near the starter/cat area have heat sleeves/shields, except the fusible link end (sleeve stops prior to the fusible link). Since this...
10-13-2017, 06:50 PM
Replies: 21
Views: 4,357
Posted By AGFNTB

I know this thread is over a year old, but came...

I know this thread is over a year old, but came up in my search so I thought I would ask here.

Are the lines for the external oil cooler on a 2008 Z51 the same 'E' clip style? Are they removable...
04-16-2016, 11:40 PM
Replies: 38
Views: 2,562
Posted By AGFNTB

I had to replace mine last year on my 2008 with...

I had to replace mine last year on my 2008 with 46000 miles. Sad.

I went with the ATI, forked over the $$$ to have it installed.
04-03-2016, 12:28 PM
Replies: 85
Views: 7,217
Posted By AGFNTB

My registration was due May 24 and the DMV...

My registration was due May 24 and the DMV registration notice was postmarked Mar 22.

The DMV notice only states "SMOG Certification Required" (nothing about the recall). However, the recall...
04-03-2016, 12:15 AM
Replies: 85
Views: 7,217
Posted By AGFNTB

I had the recall (emission and headlight) done...

I had the recall (emission and headlight) done this past Tuesday on my 2008. Today I went and had my smog check done. I told them I had the emission recall done this past Tuesday. I told them I had...
02-07-2016, 12:12 AM
Replies: 8
Views: 1,000
Posted By AGFNTB

Dealer recomendation request for Emissions Recall

Any recommendations for a good dealer service center to perform the catalytic converter recall on my 2008? I live in Huntington Beach, but have never taken my Vette to a dealer for service.
...
09-11-2015, 01:51 AM
Replies: 71
Views: 20,810
Posted By AGFNTB

I just had an ATI HB installed a few weeks ago so...

I just had an ATI HB installed a few weeks ago so I am very interested in what you find TS.
08-13-2015, 10:45 PM
Replies: 19
Views: 1,954
Posted By AGFNTB

Thank you all for your recommendations. I went...

Thank you all for your recommendations. I went with American Heritage Performance/ Kohle and could not be happier. All of the positive things said about him are true.

I would recommend AHP to...
08-07-2015, 10:59 PM
Replies: 19
Views: 1,954
Posted By AGFNTB

Please let us know how it goes/went. Also, what...

Please let us know how it goes/went. Also, what balancer did you go with?
07-30-2015, 10:58 PM
Replies: 19
Views: 1,954
Posted By AGFNTB

So. Cal. shop recommendation (harmonic balancer replacement)?

Anyone have a recommendation for a good shop for a harmonic balancer replacement? I'm in Huntington Beach, but willing to travel to get a good shop.

Thanks in advance.
07-06-2015, 09:22 PM
Replies: 18
Views: 10,607
Posted By AGFNTB

Does anyone know if the 25888970 is for automatic...

Does anyone know if the 25888970 is for automatic cars only? That is what I am being told, but fail to see how that would make a difference in this case.

Thanks
07-06-2015, 09:20 PM
Replies: 18
Views: 10,607
Posted By AGFNTB

Thanks Dano. I did see that write up of yours as...

Thanks Dano. I did see that write up of yours as well as your posts in several threads regarding alternators. In fact, I followed your troubleshooting tips in one of the other threads. Thank you for...
07-05-2015, 11:47 PM
Replies: 18
Views: 10,607
Posted By AGFNTB

Alternator: Difference between AC Delco 25888970 & 25888971?

Hello,

Are there differences between AC Delco 25888970 & 25888971? My 2008 6.2L, MN6, Z51 (if that makes a difference) came with a 25888971, but all I can find are 25888970. Both seem to have...
05-09-2015, 01:39 AM
05-09-2015, 01:38 AM
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