10-09-2021, 11:06 AM | #1 |
LT4 Billet Thermostat Housing - Granatelli FTW
For those of you wondering if you should upgrade the thermostat housing to a billet unit... DO IT NOW!!
I was doing some line rerouting around the engine bay and needed to remove the small house on the t-stat housing, but the house was baked in and when I pulled the plastic barb snapped off. Not a big deal to me, as I figured Id just tap the hole and install a bras barb so I picked up what I needed and proceeded to repair it... soon after I realized how brittle the housing really is, the damn thing pretty much kept crumbling with every attempt and lastly I just shoved a hollow tubing and siliconed it in as a temp repair. I ordered a Granatelli housing with a 180* LS3 T-stat on a Sunday, called on Monday to ensure they shipped asap and they shipped that very afternoon (Kudos Granatelli for the awesome support). However, to my dismay UPS had issues and delivered 4 days after the original estimated date. Finally received the part, super nicely packaged and beautifully finished, the t-stat looks oe grade and expect no issues long term (time will tell). Finally had a chance to do the swap which went super smooth specially considering I have an XDI fuel pump which uses one of the t-stat bolts for mounting and requires it to be rotated out of the way, so I switch my green belt to an RPM belt on shot. See the attached images for ilustration. Ill be logging the for engine temp next week and check for differences. Sent from my SM-F926U1 using Tapatalk |
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10-09-2021, 11:39 AM | #2 |
Drives: '17 ZL1 M6 Join Date: Apr 2021
Location: Earth
Posts: 108
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Mine fell apart too
Nice upgrade!
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'17 ZL1 M6
8xxwhp Magnuson 2650 |
10-09-2021, 11:41 AM | #3 |
10-09-2021, 12:17 PM | #4 |
Drives: 2023 ZL1 M6 Join Date: Sep 2018
Location: Pace FL
Posts: 417
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I found out the hard way why these exist when I broke a belt! A great upgrade to the plastic unit.
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2024 Riverside Blue ZL1 M6
Magnuson 2650R, NW 103, Roto Fab Big Gulp, Jet Hot Coated ARH 2 inch LT's, Stainless Works NPP, Too High PSI Billet Valve Covers, Mighty Mouse Wild CC Signature Forged 20x10.5/20x11.5, 295/30-315/30, BMR springs, BMR Cradle lockout, AAD Billet Control/Trailing arms 2023 Vivid Orange ZL1 M6 - sold 2019 Riverside Blue ZL1 A10 - sold |
10-09-2021, 12:18 PM | #5 |
10-09-2021, 04:06 PM | #6 |
Drives: 17 ZL1 Join Date: Jun 2017
Location: OK
Posts: 26
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Advanced Modern Performance is better.. it angles the small hose the same at the large hose..
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2017 A10 summit white ZL1
2014 Super-Duty Platinum 1969 C10 Summit White LS 2015 C7Z -SOLD 2007 C6Z(800WHP)- SOLD |
10-09-2021, 08:19 PM | #7 |
10-10-2021, 01:32 AM | #8 |
Drives: 2023 ZL1 M6 Join Date: Sep 2018
Location: Pace FL
Posts: 417
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It was middle of no where and middle of the day with all my buddies at work. Lol. Got lucky and neighbor drove by. I left the car in a cotton field and went into town and picked up a new one. Made for an eventful afternoon. 😂😂
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2024 Riverside Blue ZL1 M6
Magnuson 2650R, NW 103, Roto Fab Big Gulp, Jet Hot Coated ARH 2 inch LT's, Stainless Works NPP, Too High PSI Billet Valve Covers, Mighty Mouse Wild CC Signature Forged 20x10.5/20x11.5, 295/30-315/30, BMR springs, BMR Cradle lockout, AAD Billet Control/Trailing arms 2023 Vivid Orange ZL1 M6 - sold 2019 Riverside Blue ZL1 A10 - sold |
10-10-2021, 07:45 AM | #9 | |
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10-12-2021, 11:19 PM | #10 |
Drives: 2018 Hot Red ZL1 Join Date: Nov 2010
Location: Los Angeles, CA
Posts: 3,599
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How many miles are you guys seeing the thermostat housing failing?
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10-13-2021, 05:07 AM | #11 |
Its not a millage thing, more like something that will likely break during service or due to a belt failure.
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10-13-2021, 05:01 PM | #12 |
Drives: 2017 ZL1 M6 Join Date: Oct 2020
Location: NJ
Posts: 20
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10-14-2021, 05:34 AM | #13 |
Drives: 2017 Camaro SS, 2011 Corvette GS Join Date: Feb 2019
Location: Erlanger, Kentucky 41018
Posts: 815
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They need to fire the asshole who designed this part. Just plain idiocy.
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10-14-2021, 09:40 AM | #14 |
Drives: 2017 Camaro SS, 2011 Corvette GS Join Date: Feb 2019
Location: Erlanger, Kentucky 41018
Posts: 815
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So to use this metal thermostat housing, you need to use an LS thermostat?
Probably going to order this and just want to make sure I get everything that I need for it. |
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