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06-28-2023, 08:10 AM
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#1 |
 Drives: Corvette C7 Camaro Zl1 Join Date: Sep 2019
Location: PR
Posts: 5
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Texas Speed PRC Cylinder Heads Issue
I installed a set of PRC Cylinder head on my Camaro Zl1 with 2650 Blower + Cam and other goodies. The car gained Hp but the heads did not last long and start consuming coolant. After removing the heads one of then cracked internally near the bolt area + both heads showed cracks between the valves basically in all..
Thus I am back with the OEM heads that have been abused for 33,000 miles with no issues, no cracks or anything. BTW: The vendor TSP initially responded and offer to replace the damage head. They also indicating that are working in a better design. But after sending the cylinder head to then and over 2 month waiting it has been very difficult the communication and I starting to believe I lost the $4000.00 Has anyone has experience with this vendor and warranties? |
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06-28-2023, 08:38 AM
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#2 |
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BAMF SS
Drives: 2016 Camaro 1SS A8 Join Date: Mar 2010
Location: Ford City, PA
Posts: 3,023
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are these the aftermarket castings or their ported stock castings?
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2016 1SS A8: FBO + Circle D + P1X + Meth + Tuned by Pray Performance
Stock Longblock 800 SAE rwhp. 9.4 @ 145 mph. |
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06-28-2023, 09:12 AM
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#3 |
 Drives: 2022 Camaro 2SS A10 Join Date: Jul 2022
Location: FL
Posts: 524
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The PRC/TSP Heads are made in house. Never had an issue with the heads so far nor any TSP product.
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2022 Camaro 2SS/ Whipple 3.0 / 2"Headers/ PRC LTX Heads/ Forged Internals/LT4 fueling/ DSX Aux/
DSX Flex Fuel/ Meth Injection/ Katech 112 TB/ RotoFab Big Gulp/ Corsa NPP/ Various exterior mods |
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06-28-2023, 12:51 PM
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#4 | |
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Drives: Corvette C7 Camaro Zl1 Join Date: Sep 2019
Location: PR
Posts: 5
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Quote:
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06-28-2023, 12:57 PM
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#5 | |
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Having FUN in the SUN...
Drives: 2022 M6 ZL1 1LE Join Date: Jan 2022
Location: San Diego CA
Posts: 1,052
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Quote:
WOW, very surprising... from an aftermarket casting :(
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2022 M6 ZLE: Katech CNC Ported Blower + Ported Heads + 103mm TB + Oil Pump + C5R Chain + Valve Covers + Coil Relocation
TSP VVT and DoD Delete Covers + LME Chain Guide + DSX Billet Lid + ATI Damper + 9.17" Lower + 2.4" Upper + MM Wild CC Coated ARH + AWE Touring + Magnaflow Center X + E85 + MSD Coils + Banks iDash + JMS Booster + Synergy Fender Tank ALL the RED Rear End BMR Goodies + JRE Terminator Cam Package + Remote Tuning and Moral Support from TED @ JRE BMR Motor Mounts + DMS Front HX + FIC 30's + APEX SM.10's + 305/345 R888R's = 770rwhp 785rwtq @E50 13.5psi |
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06-28-2023, 02:08 PM
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#6 |
         
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 4,757
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Not the first time I’ve heard of that with the PRC castings and one of the reasons I went with Mast instead. On an aftermarket casting that shouldn’t be happening at all, they usually have a good amount more meat in them vs stock castings.
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors, LPE BB HPFP, 15” conversion 1059 WHP/944 WTQ, 9.48@150
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06-29-2023, 08:03 AM
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#7 |
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Drives: 2022 Camaro 2SS A10 Join Date: Jul 2022
Location: FL
Posts: 524
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PRC/TSP has gone through some in house changes lately regarding this issue, and have not had any issues that I am aware of with the LT4 heads. They sell a ton of these heads and there is normally is a 3-4 week waiting period for them after you purchase them.
Black Mast heads are great/tops but they are very pricey.
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2022 Camaro 2SS/ Whipple 3.0 / 2"Headers/ PRC LTX Heads/ Forged Internals/LT4 fueling/ DSX Aux/
DSX Flex Fuel/ Meth Injection/ Katech 112 TB/ RotoFab Big Gulp/ Corsa NPP/ Various exterior mods |
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