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Forum: C3 Tech/Performance
12-23-2022, 11:13 AM
Replies: 4
Views: 6,458
Posted By MI81

I think these pictures show the ground you are...

I think these pictures show the ground you are referring to.
These are from my 1981
...
Forum: C3 Tech/Performance
03-31-2019, 08:42 AM
Replies: 4
Views: 558
Posted By MI81

Hi, 1981 service manual shows Front and Rear...

Hi,
1981 service manual shows Front and Rear specs to be the same.
I believe the same spec applies to all C3's.

Disk original size = 11.75 x 1.25"
Miimum refinish thichkness = 1.230"
Discard...
Forum: C3 Tech/Performance
03-26-2019, 07:58 PM
Replies: 9
Views: 1,047
Posted By MI81

I found this link regarding TCC function and...

I found this link regarding TCC function and diagnosis. I quickly read through it and it appears to have some very good and quick checks....
Forum: C3 Tech/Performance
10-28-2018, 09:11 PM
Replies: 7
Views: 5,518
Posted By MI81

Big2Bird, Thank you! I suspected but wanted...

Big2Bird,
Thank you!
I suspected but wanted confirmation that the smaller solenoid of the Auto Solenoid Setup would function correctly if installed in a manual trans system.
Thanks again.

Bob
Forum: C3 Tech/Performance
09-20-2017, 11:24 PM
Replies: 4
Views: 1,398
Posted By MI81

These are from my 1981 - should be the same. ...

These are from my 1981 - should be the same.


https://cimg4.ibsrv.net/gimg/www.corvetteforum.com-vbulletin/2000x1504/80-dscf5200_168d3f4e19ecdc2a4d8f1815e2a257273ef54f47.jpg

Bracket bolts to...
Forum: C3 Tech/Performance
08-10-2016, 11:55 AM
Replies: 1
Views: 1,819
Posted By MI81

The relay shown is the TCC Relay (Torque...

The relay shown is the TCC Relay (Torque Converter Clutch) there is another relay under the bracket for the EGR Bleed Solenoid, and the sensor with the vacuum line is the Vacuum Sensor (MAP sensor)....
Forum: C3 Tech/Performance
02-24-2016, 01:49 PM
Replies: 3
Views: 416
Posted By MI81

The ECU controls spark timing on L81 (also the...

The ECU controls spark timing on L81 (also the fuel mixture and Auto trans lock-up). From memory the method to set base timing is to disconnect the 4 wire connector that comes out of the distributor...
Forum: C3 Tech/Performance
08-07-2015, 01:26 AM
Replies: 7
Views: 5,518
Posted By MI81

81 MT EGR Solenoid?

Hello,
I have a 1981 M/T L81 that was missing all of the emission equipment when I purchased it. I am currently in the process or restoring it and have some questions regarding the EGR solenoid....
Forum: C3 Tech/Performance
03-23-2015, 06:52 PM
Replies: 3
Views: 827
Posted By MI81

There should be a steel support bonded to the...

There should be a steel support bonded to the nose glass that receives the mount bolt.
Hope this helps.
...
Forum: C3 Tech/Performance
01-06-2015, 12:34 PM
Replies: 9
Views: 1,377
Posted By MI81

Please share where you found the liner material,...

Please share where you found the liner material, and how well it worked in this application. I've been searching for a rebuild kit for my 81 FE7 spring for quite a while with no luck.
Forum: C3 Tech/Performance
11-03-2013, 01:45 PM
Replies: 24
Views: 1,172
Posted By MI81

Ross, congratulations on your new vette. As...

Ross, congratulations on your new vette.

As others have said, don't assume the alternator is bad. A couple quick test with a DVOM should be performed first.
1. Fully charged battery should be...
Forum: C3 General
10-26-2013, 08:31 AM
Replies: 4,816
Views: 400,317
Posted By MI81

Received

Received 1981 diagrams yesterday.
Thank you!
Forum: C3 Tech/Performance
08-19-2004, 09:17 PM
Replies: 2
Views: 278
Posted By MI81

L81 Vette Registry

Hope I'm not violating any rules by posting another website, but this site is exclusively for 81's

http://www.l81vetteregistry.com/specs/index.html
Forum: C3 Tech/Performance
02-18-2004, 11:33 PM
Replies: 14
Views: 6,466
Posted By MI81

Re: 74 Bumper Replacements - TrueFlex vs Flex-Fit (drink151)

Paul and everyone else. I did not mean to imply that I was dissatisfied or critisizing Ecklers for the fit of the bumpers. I realize the variances in the bodies. I am, in fact, extremely pleased with...
Forum: C3 Tech/Performance
02-18-2004, 11:09 PM
Replies: 14
Views: 6,466
Posted By MI81

Re: 74 Bumper Replacements - TrueFlex vs Flex-Fit (drink151)

Here are some pictures of my installation progress on the 81. I just listed the URL because they are fairly large pictures.

1. These 3 photos show the gaps on the front bumper on the RF corner and...
Forum: C3 Tech/Performance
02-18-2004, 10:02 PM
Replies: 14
Views: 6,466
Posted By MI81

Re: 74 Bumper Replacements - TrueFlex vs Flex-Fit (drink151)

Randy,
First let me say that I hate bodywork. But I am in the process of installing such bumpers on my 81. I am installing a fiberglass rear bumper (don't remember where I bought it) and a Trueflex...
Forum: C3 Tech/Performance
11-17-2003, 07:26 PM
Replies: 9
Views: 8,319
Posted By MI81

Re: 1970 vs 1971 LT1 Engine (jims427)

gordonm - Your right, my mistake. i should have researched this before I blurted out the answer - I did find a link that may be helpfull in other questions. ...
Forum: C3 Tech/Performance
11-17-2003, 06:36 PM
Replies: 9
Views: 8,319
Posted By MI81

Re: 1970 vs 1971 LT1 Engine (jims427)

I'm not an expert on these engines, but from what I recall from 15 years ago the major differences were the compression (as you mentioned) and the fact that they went from a solid lifter cam to a...
Showing results 1 to 18 of 18


 
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