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Search: Posts Made By: Stephen12ZL1
Forum: ZL1 Discussions 03-23-2025, 06:57 AM
Replies: 4
Views: 4,992
Posted By Stephen12ZL1
normal...seems weird but it is an "on demand"...

normal...seems weird but it is an "on demand" type charging system. It reduces parasitic drag for the alternator to charge only when necessary.
Forum: ZL1 Discussions 03-23-2025, 06:54 AM
Replies: 5
Views: 3,587
Posted By Stephen12ZL1
the two parts you have listed are exactly the...

the two parts you have listed are exactly the same. The GL5 designation doesn't matter. The 10-4034 or 88862624 will get you the proper gear oil. No additional additives needed.
Forum: ZL1 Discussions 01-24-2025, 06:36 AM
Replies: 10
Views: 1,987
Posted By Stephen12ZL1
ebay has them for reasonable prices...check...

ebay has them for reasonable prices...check there. Yes, they are OEM parts.
Forum: ZL1 Discussions 01-19-2025, 06:55 AM
Replies: 18
Views: 2,427
Posted By Stephen12ZL1
I ran Eibach pro springs in my '17 ZL1 for a few...

I ran Eibach pro springs in my '17 ZL1 for a few years and can confirm they work fine for road course use. Compared to a stock ZL1 mag ride car, my car felt more composed. During transitions it...
Forum: ZL1 Discussions 01-01-2025, 09:38 PM
Replies: 10
Views: 1,943
Posted By Stephen12ZL1
I have had similar experience with my '23...

I have had similar experience with my '23 Suburban 6.2 which started knocking at 4200 miles which required a new engine. The replacement 6.2 has a lifter tick which I am ignoring for the moment. I...
Forum: Road Course/Track and Autocross 12-29-2024, 09:25 PM
Replies: 25
Views: 7,948
Posted By Stephen12ZL1
288°F on a 90 degree day

288°F on a 90 degree day
Forum: ZL1 Discussions 12-16-2024, 09:16 PM
Replies: 19
Views: 2,717
Posted By Stephen12ZL1
definitely focus on cooling mods & brakes...

definitely focus on cooling mods & brakes first...power mods last for reasons mentioned above
Forum: ZL1 Discussions 11-30-2024, 09:35 PM
Replies: 5
Views: 642
Posted By Stephen12ZL1
confirmed...it helps

confirmed...it helps
Forum: ZL1 Discussions 11-23-2024, 09:49 PM
Replies: 3
Views: 702
Posted By Stephen12ZL1
looks like new...no issues

looks like new...no issues
Forum: ZL1 Discussions 06-06-2024, 09:44 PM
Replies: 7
Views: 1,575
Posted By Stephen12ZL1
this one is correct

this one is correct
Forum: ZL1 Discussions 05-18-2024, 07:31 AM
Replies: 35
Views: 6,802
Posted By Stephen12ZL1
the tranny is definitely overfilled and hopefully...

the tranny is definitely overfilled and hopefully has the correct fluid in it. The techs are lazy and get it "close enough" and don't get the temps high enough to bleed off the correct amount. You...
Forum: ZL1 Discussions 05-13-2024, 07:02 PM
Replies: 14
Views: 2,644
Posted By Stephen12ZL1
thermostat housing guard

I recently installed a thermostat housing guard from udaddy.com which is a high quality piece to protect the fragile plastic thermostat housing of the LT4. It could save frustrating or catastrophic...
Forum: ZL1 Discussions 05-07-2024, 08:34 PM
Replies: 28
Views: 3,823
Posted By Stephen12ZL1
nice trade...unique color combination too! Good...

nice trade...unique color combination too! Good luck with the Blackwing!
Forum: ZL1 Discussions 04-30-2024, 09:26 PM
Replies: 16
Views: 3,095
Posted By Stephen12ZL1
snall exhaust leak will cause that code...start...

snall exhaust leak will cause that code...start the car on ramps and feel for a leak at the front connection pipe area where the slip connection is located
Forum: ZL1 Discussions 04-29-2024, 05:37 AM
Replies: 11
Views: 2,603
Posted By Stephen12ZL1
on track my car will use about a 1/3 of a quart...

on track my car will use about a 1/3 of a quart per track day. Oil will volatilize when oil temps rise and you will lose volume that way and possibly through ring sealing issues. Everyone here will...
Forum: ZL1 Discussions 04-29-2024, 05:25 AM
Replies: 16
Views: 3,095
Posted By Stephen12ZL1
no...that trick only works on Corvettes (a C5...

no...that trick only works on Corvettes (a C5 can).
Forum: ZL1 Discussions 04-27-2024, 09:46 PM
Replies: 16
Views: 3,095
Posted By Stephen12ZL1
what code?

what code?
Forum: Road Course/Track and Autocross 03-11-2024, 05:30 AM
Replies: 4
Views: 824
Posted By Stephen12ZL1
I've run 325's on the factory front wheels...

I've run 325's on the factory front wheels (11.5") and there were no problems other than a little rub at full lock. 11.0" wheel would likely work fine with 325s.
Forum: ZL1 Discussions 02-05-2024, 09:52 PM
Replies: 25
Views: 8,184
Posted By Stephen12ZL1
use the correct GM fluid which is readily...

use the correct GM fluid which is readily available and yes it has the proper limited slip friction modifier. It is an E-diff and the tranny fluid is used in the cooling circuit of the...
Forum: ZL1 Discussions 01-23-2024, 09:46 PM
Replies: 13
Views: 3,212
Posted By Stephen12ZL1
99Y and 103Y are load ratings and ZR is the speed...

99Y and 103Y are load ratings and ZR is the speed rating
Forum: ZL1 Discussions 01-23-2024, 09:43 PM
Replies: 4
Views: 916
Posted By Stephen12ZL1
use low profile stick on weights and cover them...

use low profile stick on weights and cover them with high temp black foil tape. Make it neat and they disappear.
Forum: ZL1 Discussions 11-19-2023, 06:51 AM
Replies: 6
Views: 1,797
Posted By Stephen12ZL1
get your shop to shift the weights away from that...

get your shop to shift the weights away from that exact spot where contact will be made...not a difficult task for any tire shop
Forum: ZL1 Discussions 11-19-2023, 06:40 AM
Replies: 6
Views: 2,575
Posted By Stephen12ZL1
you can use line lock which is a PITA...watch the...

you can use line lock which is a PITA...watch the video
https://youtu.be/6S9lLI8vw3M?si=wtsaDJ_5hetj5I24
Forum: ZL1 Discussions 11-04-2023, 07:43 PM
Replies: 28
Views: 5,037
Posted By Stephen12ZL1
stock is more than adequate with high temp DOT 4...

stock is more than adequate with high temp DOT 4 fluid and a better brake pad
Forum: ZL1 Discussions 10-25-2023, 05:32 AM
Replies: 1
Views: 1,158
Posted By Stephen12ZL1
take the rear rotors off and check the internal...

take the rear rotors off and check the internal brake shoes. They may require replacement or adjustment. Most times they just need adjusting. You can engage the parking brake (prior to removing...
Forum: ZL1 Discussions 10-15-2023, 01:50 PM
Replies: 5
Views: 1,628
Posted By Stephen12ZL1
get a flash file from Jannetty to flash after the...

get a flash file from Jannetty to flash after the install. He will do it right and it will be safe.
Forum: Road Course/Track and Autocross 10-14-2023, 06:57 AM
Replies: 16
Views: 4,426
Posted By Stephen12ZL1
that is an excellent advanced group...

that is an excellent advanced group assessment....100%!
Forum: Road Course/Track and Autocross 10-10-2023, 10:02 PM
Replies: 16
Views: 4,426
Posted By Stephen12ZL1
Hoosiers construction tolerance is terrible and...

Hoosiers construction tolerance is terrible and take a lot of weight to get them balanced. The carcass isn't very true on the R7s I have personally balanced. A Goodyear 3R balances very well and...
Forum: ZL1 Discussions 10-10-2023, 09:16 PM
Replies: 12
Views: 1,590
Posted By Stephen12ZL1
Sorry...I didn't see the supercharger upgrade in...

Sorry...I didn't see the supercharger upgrade in your sig. You will probably be fine with cooling but log a session to confirm. Watch oil temp keep it less than 300°F if possible. You can use a...
Forum: ZL1 Discussions 10-07-2023, 09:28 PM
Replies: 12
Views: 1,590
Posted By Stephen12ZL1
keep the boost near stock or you will have...

keep the boost near stock or you will have cooling issues as your post supercharger temps will soar. Ask Jannetty about his road race setup which keeps boost near stock and uses flex fuel, headers,...
Showing results 1 to 30 of 500

 
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